2.1.2 Problems not solved, but were solved by Maple and Mathematica. Arranged sequentially

Table 2.3: Problems not solved, but were solved by Maple and Mathematica. Arranged sequentially. [1219]

#

ID

ODE

CAS classification

Maple

Mma

Sympy

time(sec)

\(1\)

36

\begin{align*} y^{\prime }&=x^{2}-y^{2} \\ y \left (0\right ) &= 1 \\ \end{align*}

[_Riccati]

4.691

\(2\)

529

\begin{align*} y^{\prime }&=y^{2}+x^{2} \\ y \left (0\right ) &= 1 \\ \end{align*}

[[_Riccati, _special]]

8.184

\(3\)

1469

\begin{align*} t y^{\prime \prime \prime }+2 y^{\prime \prime }-y^{\prime }+t y&=0 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.059

\(4\)

1470

\begin{align*} \left (-t +2\right ) y^{\prime \prime \prime }+\left (2 t -3\right ) y^{\prime \prime }-t y^{\prime }+y&=0 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.061

\(5\)

1471

\begin{align*} t^{2} \left (t +3\right ) y^{\prime \prime \prime }-3 t \left (t +2\right ) y^{\prime \prime }+6 \left (t +1\right ) y^{\prime }-6 y&=0 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.064

\(6\)

1610

\begin{align*} y^{\prime }&=\tan \left (x y\right ) \\ \end{align*}

[‘y=_G(x,y’)‘]

0.891

\(7\)

1752

\begin{align*} \left (3 x -1\right ) y^{\prime \prime }-\left (3 x +2\right ) y^{\prime }+\left (6 x -8\right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

12.524

\(8\)

2519

\begin{align*} y^{\prime }&=t^{2}+y^{2} \\ y \left (0\right ) &= 1 \\ \end{align*}

[[_Riccati, _special]]

8.735

\(9\)

2790

\begin{align*} x^{\prime }&=a x-b x y \\ y^{\prime }&=-c y+d x y \\ z^{\prime }&=z+x^{2}+y^{2} \\ \end{align*}

system_of_ODEs

0.065

\(10\)

2791

\begin{align*} x^{\prime }&=-x-x \,y^{2} \\ y^{\prime }&=-y-y \,x^{2} \\ z^{\prime }&=1-z+x^{2} \\ \end{align*}

system_of_ODEs

0.067

\(11\)

2792

\begin{align*} x^{\prime }&=x \,y^{2}-x \\ y^{\prime }&=x \sin \left (\pi y\right ) \\ \end{align*}

system_of_ODEs

0.054

\(12\)

2793

\begin{align*} x^{\prime }&=\cos \left (y\right ) \\ y^{\prime }&=\sin \left (x\right )-1 \\ \end{align*}

system_of_ODEs

0.052

\(13\)

2795

\begin{align*} x^{\prime }&=x-y^{2} \\ y^{\prime }&=x^{2}-y \\ z^{\prime }&={\mathrm e}^{z}-x \\ \end{align*}

system_of_ODEs

0.065

\(14\)

2815

\begin{align*} x^{\prime }&=x^{2}+y^{2}-1 \\ y^{\prime }&=2 x y \\ \end{align*}

system_of_ODEs

0.057

\(15\)

2818

\begin{align*} x^{\prime }&={\mathrm e}^{y}-x \\ y^{\prime }&={\mathrm e}^{x}+y \\ \end{align*}

system_of_ODEs

0.056

\(16\)

3002

\begin{align*} \left (-x^{2}+1\right ) y^{\prime }+x y&=x \left (-x^{2}+1\right ) \sqrt {y} \\ y \left (0\right ) &= 1 \\ \end{align*}

[_rational, _Bernoulli]

9.054

\(17\)

3491

\begin{align*} -\frac {{y^{\prime }}^{2}}{y^{2}}+\frac {y^{\prime \prime }}{y}+\frac {2 a \coth \left (2 a x \right ) y^{\prime }}{y}&=2 a^{2} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries], [_2nd_order, _reducible, _mu_xy]]

4.548

\(18\)

3497

\begin{align*} 2 y y^{\prime \prime \prime }+2 \left (y+3 y^{\prime }\right ) y^{\prime \prime }+2 {y^{\prime }}^{2}&=\sin \left (x \right ) \\ \end{align*}

[[_3rd_order, _exact, _nonlinear]]

0.067

\(19\)

3823

\begin{align*} x_{1}^{\prime }&=-\tan \left (t \right ) x_{1}+3 \cos \left (t \right )^{2} \\ x_{2}^{\prime }&=x_{1}+\tan \left (t \right ) x_{2}+2 \sin \left (t \right ) \\ \end{align*}

With initial conditions

\begin{align*} x_{1} \left (0\right ) &= 4 \\ x_{2} \left (0\right ) &= 0 \\ \end{align*}

system_of_ODEs

0.067

\(20\)

3831

\begin{align*} x_{1}^{\prime }&=\frac {x_{1}}{t} \\ x_{2}^{\prime }&=x_{2} \\ \end{align*}

system_of_ODEs

0.054

\(21\)

3832

\begin{align*} x_{1}^{\prime }&=\frac {x_{1}}{t}+x_{2} t \\ x_{2}^{\prime }&=-\frac {x_{1}}{t} \\ \end{align*}

system_of_ODEs

0.057

\(22\)

3890

\begin{align*} x_{1}^{\prime }&=\left (2 t -1\right ) x_{1} \\ x_{2}^{\prime }&={\mathrm e}^{-t^{2}+t} x_{1}+x_{2} \\ \end{align*}

system_of_ODEs

0.062

\(23\)

4535

\begin{align*} x^{\prime \prime }+x^{\prime }+y^{\prime }-2 y&=0 \\ x^{\prime }+x-y^{\prime }&=0 \\ \end{align*}

system_of_ODEs

0.065

\(24\)

4536

\begin{align*} x^{\prime \prime }-3 x-4 y&=0 \\ x+y^{\prime \prime }+y&=0 \\ \end{align*}

system_of_ODEs

0.058

\(25\)

4549

\begin{align*} x^{\prime }+4 x+2 y&=\frac {2}{{\mathrm e}^{t}-1} \\ 6 x-y^{\prime }+3 y&=\frac {3}{{\mathrm e}^{t}-1} \\ \end{align*}

system_of_ODEs

0.061

\(26\)

4555

\begin{align*} x^{\prime \prime }+x^{\prime }+y^{\prime }-2 y&=40 \,{\mathrm e}^{3 t} \\ x^{\prime }+x-y^{\prime }&=36 \,{\mathrm e}^{t} \\ \end{align*}

With initial conditions

\begin{align*} x \left (0\right ) &= 1 \\ y \left (0\right ) &= 3 \\ x^{\prime }\left (0\right ) &= 1 \\ \end{align*}

system_of_ODEs

0.054

\(27\)

4557

\begin{align*} x^{\prime \prime }+2 x-2 y^{\prime }&=0 \\ 3 x^{\prime }+y^{\prime \prime }-8 y&=240 \,{\mathrm e}^{t} \\ \end{align*}

With initial conditions

\begin{align*} x \left (0\right ) &= 0 \\ y \left (0\right ) &= 0 \\ x^{\prime }\left (0\right ) &= 0 \\ y^{\prime }\left (0\right ) &= 0 \\ \end{align*}

system_of_ODEs

0.050

\(28\)

4572

\begin{align*} x_{1}^{\prime }&=-x_{1}+2 x_{2} \\ x_{2}^{\prime }&=-3 x_{1}+4 x_{2}+\frac {{\mathrm e}^{3 t}}{1+{\mathrm e}^{2 t}} \\ \end{align*}

system_of_ODEs

0.061

\(29\)

4573

\begin{align*} x_{1}^{\prime }&=-4 x_{1}-2 x_{2}+\frac {2}{{\mathrm e}^{t}-1} \\ x_{2}^{\prime }&=6 x_{1}+3 x_{2}-\frac {3}{{\mathrm e}^{t}-1} \\ \end{align*}

system_of_ODEs

0.063

\(30\)

4690

\begin{align*} y^{\prime }+\left (a x +y\right ) y^{2}&=0 \\ \end{align*}

[_Abel]

3.471

\(31\)

4691

\begin{align*} y^{\prime }&=\left (a \,{\mathrm e}^{x}+y\right ) y^{2} \\ \end{align*}

[_Abel]

3.970

\(32\)

4692

\begin{align*} y^{\prime }+3 a \left (2 x +y\right ) y^{2}&=0 \\ \end{align*}

[_Abel]

3.700

\(33\)

4726

\begin{align*} y^{\prime }&=\tan \left (x \right ) \left (\tan \left (y\right )+\sec \left (x \right ) \sec \left (y\right )\right ) \\ \end{align*}

[‘y=_G(x,y’)‘]

7.564

\(34\)

4738

\begin{align*} y^{\prime }&=x^{m -1} y^{1-n} f \left (a \,x^{m}+b y^{n}\right ) \\ \end{align*}

[[_1st_order, ‘_with_symmetry_[F(x),G(y)]‘]]

5.967

\(35\)

4832

\begin{align*} x y^{\prime }+n y&=f \left (x \right ) g \left (x^{n} y\right ) \\ \end{align*}

[[_1st_order, ‘_with_symmetry_[F(x),G(x)*y+H(x)]‘]]

4.730

\(36\)

4887

\begin{align*} x^{2} y^{\prime }&=a \,x^{2} y^{2}-a y^{3} \\ \end{align*}

[_rational, _Abel]

2.392

\(37\)

4888

\begin{align*} x^{2} y^{\prime }+a y^{2}+b \,x^{2} y^{3}&=0 \\ \end{align*}

[_rational, _Abel]

3.280

\(38\)

4891

\begin{align*} x^{2} y^{\prime }&=\sec \left (y\right )+3 x \tan \left (y\right ) \\ \end{align*}

[‘y=_G(x,y’)‘]

15.930

\(39\)

4919

\begin{align*} \left (-x^{2}+1\right ) y^{\prime }&=n \left (y^{2}-2 x y+1\right ) \\ \end{align*}

[_rational, _Riccati]

2.269

\(40\)

4922

\begin{align*} \left (x^{2}+1\right ) y^{\prime }&=1+y^{2}-2 x y \left (1+y^{2}\right ) \\ \end{align*}

[_rational, _Abel]

54.878

\(41\)

4923

\begin{align*} \left (x^{2}+1\right ) y^{\prime }+x \sin \left (y\right ) \cos \left (y\right )&=x \left (x^{2}+1\right ) \cos \left (y\right )^{2} \\ \end{align*}

[‘y=_G(x,y’)‘]

22.958

\(42\)

4966

\begin{align*} \left (b x +a \right )^{2} y^{\prime }+c y^{2}+\left (b x +a \right ) y^{3}&=0 \\ \end{align*}

[_rational, _Abel]

14.895

\(43\)

5003

\begin{align*} x^{7} y^{\prime }+5 x^{3} y^{2}+2 \left (x^{2}+1\right ) y^{3}&=0 \\ \end{align*}

[_rational, _Abel]

32.012

\(44\)

5049

\begin{align*} y^{\prime } y+x +f \left (y^{2}+x^{2}\right ) g \left (x \right )&=0 \\ \end{align*}

[NONE]

8.921

\(45\)

5109

\begin{align*} \left (x +4 x^{3}+5 y\right ) y^{\prime }+7 x^{3}+3 x^{2} y+4 y&=0 \\ \end{align*}

[_rational, [_Abel, ‘2nd type‘, ‘class A‘]]

27.361

\(46\)

5181

\begin{align*} \left (1-x^{2} y\right ) y^{\prime }-1+x y^{2}&=0 \\ \end{align*}

[_rational, [_Abel, ‘2nd type‘, ‘class B‘]]

55.832

\(47\)

5205

\begin{align*} x^{7} y y^{\prime }&=2 x^{2}+2+5 x^{3} y \\ \end{align*}

[_rational, [_Abel, ‘2nd type‘, ‘class B‘]]

26.688

\(48\)

5224

\begin{align*} \left (x +2 y+y^{2}\right ) y^{\prime }+y \left (1+y\right )+\left (x +y\right )^{2} y^{2}&=0 \\ \end{align*}

[_rational]

4.411

\(49\)

5238

\begin{align*} \left (\cot \left (x \right )-2 y^{2}\right ) y^{\prime }&=y^{3} \csc \left (x \right ) \sec \left (x \right ) \\ \end{align*}

[[_1st_order, ‘_with_symmetry_[F(x)*G(y),0]‘]]

31.545

\(50\)

5300

\begin{align*} \left (x^{2}-x^{3}+3 x y^{2}+2 y^{3}\right ) y^{\prime }+2 x^{3}+3 x^{2} y+y^{2}-y^{3}&=0 \\ \end{align*}

[_rational]

4.192

\(51\)

5332

\begin{align*} f \left (x \right ) y^{m} y^{\prime }+g \left (x \right ) y^{m +1}+h \left (x \right ) y^{n}&=0 \\ \end{align*}

[_Bernoulli]

7.505

\(52\)

5532

\begin{align*} x \left (-x^{2}+1\right ) {y^{\prime }}^{2}-2 \left (-x^{2}+1\right ) y y^{\prime }+x \left (1-y^{2}\right )&=0 \\ \end{align*}

[_rational, [_1st_order, ‘_with_symmetry_[F(x),G(x)*y+H(x)]‘]]

22.019

\(53\)

5600

\begin{align*} x y^{2} {y^{\prime }}^{2}+\left (a -x^{3}-y^{3}\right ) y^{\prime }+x^{2} y&=0 \\ \end{align*}

[_rational]

172.437

\(54\)

5678

\begin{align*} {y^{\prime }}^{6}+f \left (x \right ) \left (y-a \right )^{4} \left (y-b \right )^{3}&=0 \\ \end{align*}

[[_1st_order, ‘_with_symmetry_[F(x),G(x)*y+H(x)]‘]]

10.872

\(55\)

5679

\begin{align*} {y^{\prime }}^{6}+f \left (x \right ) \left (y-a \right )^{5} \left (y-b \right )^{3}&=0 \\ \end{align*}

[[_1st_order, ‘_with_symmetry_[F(x),G(x)*y+H(x)]‘]]

16.401

\(56\)

5680

\begin{align*} {y^{\prime }}^{6}+f \left (x \right ) \left (y-a \right )^{5} \left (y-b \right )^{4}&=0 \\ \end{align*}

[[_1st_order, ‘_with_symmetry_[F(x),G(x)*y+H(x)]‘]]

14.062

\(57\)

5744

\begin{align*} \left (x^{2}+a \right ) y+y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

1.261

\(58\)

5745

\begin{align*} \left (-x^{2}+a \right ) y+y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

1.133

\(59\)

5746

\begin{align*} y^{\prime \prime }&=\left (x^{2}+a \right ) y \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

1.100

\(60\)

5747

\begin{align*} \left (b^{2} x^{2}+a \right ) y+y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

1.286

\(61\)

5748

\begin{align*} \left (c \,x^{2}+b x +a \right ) y+y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

1.465

\(62\)

5749

\begin{align*} \left (x^{4}+\operatorname {a1} \,x^{2}+\operatorname {a0} \right ) y+y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

3.825

\(63\)

5751

\begin{align*} \left (a +b \cos \left (2 x \right )\right ) y+y^{\prime \prime }&=0 \\ \end{align*}

[_ellipsoidal]

1.492

\(64\)

5754

\begin{align*} a \csc \left (x \right )^{2} y+y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

1.457

\(65\)

5756

\begin{align*} y^{\prime \prime }&=\left (a^{2}+\left (-1+p \right ) p \csc \left (x \right )^{2}+\left (-1+q \right ) q \sec \left (x \right )^{2}\right ) y \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

3.867

\(66\)

5757

\begin{align*} \left (a +b \sin \left (x \right )^{2}\right ) y+y^{\prime \prime }&=0 \\ \end{align*}

[_ellipsoidal]

1.720

\(67\)

5761

\begin{align*} \left (a +b \,{\mathrm e}^{x}+c \,{\mathrm e}^{2 x}\right ) y+y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

1.340

\(68\)

5763

\begin{align*} \left (a +b \cosh \left (x \right )^{2}\right ) y+y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

3.782

\(69\)

5764

\begin{align*} \left (a +b \sinh \left (x \right )^{2}\right ) y+y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

4.751

\(70\)

5765

\begin{align*} \left (a +b \sin \left (x \right )^{2}\right ) y+y^{\prime \prime }&=0 \\ \end{align*}

[_ellipsoidal]

2.222

\(71\)

5812

\begin{align*} \left (c \,x^{2}+b \right ) y+a y^{\prime }+y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

2.545

\(72\)

5819

\begin{align*} n y-x y^{\prime }+y^{\prime \prime }&=0 \\ \end{align*}

[_Hermite]

2.248

\(73\)

5820

\begin{align*} -a y-x y^{\prime }+y^{\prime \prime }&=0 \\ \end{align*}

[_Hermite]

1.708

\(74\)

5824

\begin{align*} 2 n y-2 x y^{\prime }+y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

2.189

\(75\)

5830

\begin{align*} b y+a x y^{\prime }+y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

2.362

\(76\)

5831

\begin{align*} c y+\left (b x +a \right ) y^{\prime }+y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

2.587

\(77\)

5832

\begin{align*} \left (\operatorname {b1} x +\operatorname {a1} \right ) y+\left (\operatorname {b0} x +\operatorname {a0} \right ) y^{\prime }+y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

2.777

\(78\)

5833

\begin{align*} \left (\operatorname {c1} \,x^{2}+\operatorname {b1} x +\operatorname {a1} \right ) y+\left (\operatorname {b0} x +\operatorname {a0} \right ) y^{\prime }+y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

3.888

\(79\)

5842

\begin{align*} b \,x^{-1+k} y+a \,x^{k} y^{\prime }+y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

3.035

\(80\)

5844

\begin{align*} k \left (1+k \right ) y+\cot \left (x \right ) y^{\prime }+y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

2.002

\(81\)

5846

\begin{align*} \left (p \left (1+p \right )-k^{2} \csc \left (x \right )^{2}\right ) y+\cot \left (x \right ) y^{\prime }+y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

3.110

\(82\)

5847

\begin{align*} \left (\operatorname {a0} -\operatorname {a2} \csc \left (x \right )^{2}+4 \operatorname {a1} \sin \left (x \right )^{2}\right ) y+\cot \left (x \right ) y^{\prime }+y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

5.947

\(83\)

5851

\begin{align*} \left (a \cot \left (x \right )^{2}+b \cot \left (x \right ) \csc \left (x \right )+c \csc \left (x \right )^{2}\right ) y+k \cot \left (x \right ) y^{\prime }+y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

4.275

\(84\)

5858

\begin{align*} \csc \left (x \right )^{2} \left (2+\sin \left (x \right )^{2}\right ) y-\csc \left (2 x \right ) y^{\prime }+y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

113.853

\(85\)

5866

\begin{align*} -a \left (a +1\right ) \csc \left (x \right )^{2} y-\tan \left (x \right ) y^{\prime }+y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

3.371

\(86\)

5874

\begin{align*} b y+a \tan \left (x \right ) y^{\prime }+y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

3.251

\(87\)

5879

\begin{align*} b y+a \tanh \left (x \right ) y^{\prime }+y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

10.362

\(88\)

5881

\begin{align*} a k \,x^{-1+k} y+2 a \,x^{k} y^{\prime }+2 y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

2.437

\(89\)

5883

\begin{align*} 4 y^{\prime \prime }&=\left (x^{2}+a \right ) y \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

1.359

\(90\)

5884

\begin{align*} \left (-x^{2}+4 a +2\right ) y+4 y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

1.370

\(91\)

5887

\begin{align*} \left (x +a \right ) y+x y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

1.262

\(92\)

5894

\begin{align*} \left ({\mathrm e}^{x^{2}}-k^{2}\right ) x^{3} y-y^{\prime }+x y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

4.663

\(93\)

5901

\begin{align*} y+\left (a +1\right ) y^{\prime }+x y^{\prime \prime }&=0 \\ \end{align*}

[[_Emden, _Fowler]]

4.290

\(94\)

5902

\begin{align*} y+\left (1-a \right ) y^{\prime }+x y^{\prime \prime }&=0 \\ \end{align*}

[[_Emden, _Fowler]]

2.978

\(95\)

5903

\begin{align*} -y+\left (a +1\right ) y^{\prime }+x y^{\prime \prime }&=0 \\ \end{align*}

[[_Emden, _Fowler]]

2.185

\(96\)

5907

\begin{align*} \left (\operatorname {b2} x +\operatorname {b1} \right ) y+a y^{\prime }+x y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

3.413

\(97\)

5911

\begin{align*} n y+\left (1-x \right ) y^{\prime }+x y^{\prime \prime }&=0 \\ \end{align*}

[_Laguerre]

3.020

\(98\)

5912

\begin{align*} n y+\left (1+k -x \right ) y^{\prime }+x y^{\prime \prime }&=0 \\ \end{align*}

[_Laguerre]

3.645

\(99\)

5917

\begin{align*} b y+\left (x +a \right ) y^{\prime }+x y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

3.427

\(100\)

5918

\begin{align*} -a y+\left (c -x \right ) y^{\prime }+x y^{\prime \prime }&=0 \\ \end{align*}

[_Laguerre]

3.390

\(101\)

5922

\begin{align*} c y+\left (b x +a \right ) y^{\prime }+x y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

3.635

\(102\)

5923

\begin{align*} \left (\operatorname {b2} x +\operatorname {a2} \right ) y+\left (\operatorname {b1} x +\operatorname {a1} \right ) y^{\prime }+x y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

4.440

\(103\)

5924

\begin{align*} \left (b x +2 a \right ) y-2 \left (b x +a \right ) y^{\prime }+x y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

4.125

\(104\)

5925

\begin{align*} \left (a b x +a n +b m \right ) y+\left (m +n +x \left (a +b \right )\right ) y^{\prime }+x y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

6.054

\(105\)

5938

\begin{align*} \left (\operatorname {b2} x +\operatorname {a2} \right ) y+\left (\operatorname {b1} x +\operatorname {a1} \right ) y^{\prime }+\left (x +a \right ) y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

13.339

\(106\)

5942

\begin{align*} \left (b x +a \right ) y+y^{\prime }+2 x y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

3.972

\(107\)

5949

\begin{align*} \left (b x +a \right ) y+8 y^{\prime }+16 x y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

2.985

\(108\)

5951

\begin{align*} \left (\operatorname {b2} x +\operatorname {a2} \right ) y+\left (\operatorname {b1} x +\operatorname {a1} \right ) y^{\prime }+\left (\operatorname {b0} x +\operatorname {a0} \right ) y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

18.037

\(109\)

5965

\begin{align*} \left (c \,x^{2}+b x +a \right ) y+x^{2} y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

2.096

\(110\)

5967

\begin{align*} x^{k} \left (a +b \,x^{k}\right ) y+x^{2} y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

1.664

\(111\)

5985

\begin{align*} -\left (c \,x^{2}+b x +a \right ) y+x y^{\prime }+x^{2} y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

27.340

\(112\)

5986

\begin{align*} -\left (-x^{4}+4 a \,x^{2}+n^{2}\right ) y+x y^{\prime }+x^{2} y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

33.034

\(113\)

5987

\begin{align*} -\left (c^{2} x^{4}+b^{2} x^{2}+a^{2}\right ) y+x y^{\prime }+x^{2} y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

26.754

\(114\)

5988

\begin{align*} \left (m +1\right ) x^{m} a \left (m \right ) y+x y^{\prime }+x^{2} y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

25.237

\(115\)

6000

\begin{align*} a y-2 \left (1-x \right ) y^{\prime }+x^{2} y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

6.401

\(116\)

6021

\begin{align*} \left (\operatorname {c2} \,x^{2}+\operatorname {b2} x +\operatorname {a2} \right ) y+\operatorname {a1} x y^{\prime }+x^{2} y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

6.891

\(117\)

6023

\begin{align*} x^{2} \left (\operatorname {b1} \,x^{2}+\operatorname {a1} \right ) y+a x y^{\prime }+x^{2} y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

7.308

\(118\)

6025

\begin{align*} c y+\left (b x +a \right ) y^{\prime }+x^{2} y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

6.595

\(119\)

6031

\begin{align*} \left (b \,x^{2}+a \right ) y+x^{2} y^{\prime }+x^{2} y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

3.353

\(120\)

6037

\begin{align*} -y+x \left (x +3\right ) y^{\prime }+x^{2} y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

6.863

\(121\)

6041

\begin{align*} \left (\operatorname {c2} \,x^{2}+\operatorname {b2} x +\operatorname {a2} \right ) y+x \left (\operatorname {b1} x +\operatorname {a1} \right ) y^{\prime }+x^{2} y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

11.069

\(122\)

6045

\begin{align*} \left (\operatorname {a1} +\operatorname {b1} \,x^{k}+\operatorname {c1} \,x^{2 k}\right ) y+x \left (\operatorname {a0} +\operatorname {b0} \,x^{k}\right ) y^{\prime }+x^{2} y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

10.834

\(123\)

6046

\begin{align*} a y+2 x^{2} \cot \left (x \right ) y^{\prime }+x^{2} y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

2.625

\(124\)

6047

\begin{align*} -\left (a -x \cot \left (x \right )\right ) y+x \left (1+2 x \cot \left (x \right )\right ) y^{\prime }+x^{2} y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

30.614

\(125\)

6048

\begin{align*} a y-2 x^{2} \tan \left (x \right ) y^{\prime }+x^{2} y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

2.639

\(126\)

6049

\begin{align*} -\left (a +x \tan \left (x \right )\right ) y+x \left (1-2 x \tan \left (x \right )\right ) y^{\prime }+x^{2} y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

31.593

\(127\)

6065

\begin{align*} \left (b \,x^{2}+a \right ) y-x y^{\prime }+\left (-x^{2}+1\right ) y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

19.402

\(128\)

6071

\begin{align*} n \left (n +1\right ) y-2 x y^{\prime }+\left (-x^{2}+1\right ) y^{\prime \prime }&=0 \\ \end{align*}

[_Gegenbauer]

72.894

\(129\)

6072

\begin{align*} n \left (n +1\right ) y-2 x y^{\prime }+\left (-x^{2}+1\right ) y^{\prime \prime }&=\frac {2 \left (-1-n \right ) x \operatorname {LegendreP}\left (n , x\right )+2 \left (n +1\right ) \operatorname {LegendreP}\left (n +1, x\right )}{x^{2}-1} \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

62.865

\(130\)

6073

\begin{align*} -p \left (1+p \right ) y+2 x y^{\prime }+\left (x^{2}+1\right ) y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

16.605

\(131\)

6074

\begin{align*} p \left (1+p \right ) y-2 x y^{\prime }+\left (-x^{2}+1\right ) y^{\prime \prime }&=0 \\ \end{align*}

[_Gegenbauer]

68.647

\(132\)

6081

\begin{align*} n \left (1+a +b +n \right ) y+\left (-a +b -\left (2+a +b \right ) x \right ) y^{\prime }+\left (-x^{2}+1\right ) y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

104.104

\(133\)

6082

\begin{align*} p \left (2 k +p \right ) y-\left (1+2 k \right ) x y^{\prime }+\left (-x^{2}+1\right ) y^{\prime \prime }&=0 \\ \end{align*}

[_Gegenbauer]

39.606

\(134\)

6083

\begin{align*} p \left (1+2 k +p \right ) y-2 \left (1+k \right ) x y^{\prime }+\left (-x^{2}+1\right ) y^{\prime \prime }&=0 \\ \end{align*}

[_Gegenbauer]

43.746

\(135\)

6084

\begin{align*} -\left (k -p \right ) \left (1+k +p \right ) y-2 \left (1+k \right ) x y^{\prime }+\left (-x^{2}+1\right ) y^{\prime \prime }&=0 \\ \end{align*}

[_Gegenbauer]

36.516

\(136\)

6087

\begin{align*} b y+a x y^{\prime }+\left (-x^{2}+1\right ) y^{\prime \prime }&=0 \\ \end{align*}

[_Gegenbauer]

80.437

\(137\)

6088

\begin{align*} \left (\operatorname {c0} \,x^{2}+\operatorname {b0} x +\operatorname {a0} \right ) y+a x y^{\prime }+\left (-x^{2}+1\right ) y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

34.786

\(138\)

6089

\begin{align*} c y+\left (b x +a \right ) y^{\prime }+\left (-x^{2}+1\right ) y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

104.832

\(139\)

6090

\begin{align*} \left (c^{2} x^{2}+b^{2}\right ) y-x y^{\prime }+\left (a^{2}-x^{2}\right ) y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

45.078

\(140\)

6092

\begin{align*} y+2 y^{\prime }+x \left (1-x \right ) y^{\prime \prime }&=0 \\ \end{align*}

[_Jacobi]

18.041

\(141\)

6105

\begin{align*} p \left (1+p \right ) y+\left (1-2 x \right ) y^{\prime }+x \left (1-x \right ) y^{\prime \prime }&=0 \\ \end{align*}

[_Jacobi]

32.537

\(142\)

6106

\begin{align*} 2 y+\left (1-x \right ) y^{\prime }+x \left (1-x \right ) y^{\prime \prime }&=0 \\ \end{align*}

[_Jacobi]

43.747

\(143\)

6112

\begin{align*} \left (-k +p \right ) \left (1+k +p \right ) y+\left (1+k \right ) \left (1-2 x \right ) y^{\prime }+x \left (1-x \right ) y^{\prime \prime }&=0 \\ \end{align*}

[_Jacobi]

82.145

\(144\)

6113

\begin{align*} n \left (a +n \right ) y+\left (c -\left (a +1\right ) x \right ) y^{\prime }+x \left (1-x \right ) y^{\prime \prime }&=0 \\ \end{align*}

[_Jacobi]

93.876

\(145\)

6114

\begin{align*} c y+\left (b x +a \right ) y^{\prime }+x \left (1+x \right ) y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

67.127

\(146\)

6115

\begin{align*} -a b y+\left (c -\left (a +b +1\right ) x \right ) y^{\prime }+x \left (1-x \right ) y^{\prime \prime }&=0 \\ \end{align*}

[_Jacobi]

115.533

\(147\)

6118

\begin{align*} c y+\left (b x +a \right ) y^{\prime }+x \left (1-x \right ) y^{\prime \prime }&=0 \\ \end{align*}

[_Jacobi]

66.749

\(148\)

6131

\begin{align*} \operatorname {a2} y+\left (\operatorname {b1} x +\operatorname {a1} \right ) y^{\prime }+x \left (\operatorname {a0} +x \right ) y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

73.346

\(149\)

6139

\begin{align*} 2 a^{2} y-x y^{\prime }+2 \left (-x^{2}+1\right ) y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

56.183

\(150\)

6145

\begin{align*} a y-\left (1-2 x \right ) y^{\prime }+2 x \left (1-x \right ) y^{\prime \prime }&=0 \\ \end{align*}

[_Jacobi]

136.085

\(151\)

6146

\begin{align*} \left (b x +a \right ) y+\left (1-2 x \right ) y^{\prime }+2 x \left (1-x \right ) y^{\prime \prime }&=0 \\ \end{align*}

[_Jacobi]

59.203

\(152\)

6147

\begin{align*} 2 a \left (a +1\right ) y-\left (1+3 x \right ) y^{\prime }+2 x \left (1-x \right ) y^{\prime \prime }&=0 \\ \end{align*}

[_Jacobi]

55.968

\(153\)

6154

\begin{align*} \left (4 k x -4 p^{2}-x^{2}+1\right ) y+4 x^{2} y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

2.243

\(154\)

6166

\begin{align*} -y-8 x y^{\prime }+4 \left (-x^{2}+1\right ) y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

30.603

\(155\)

6167

\begin{align*} -\left (4 p^{2}+1\right ) y-8 x y^{\prime }+4 \left (-x^{2}+1\right ) y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

49.149

\(156\)

6170

\begin{align*} y+2 \left (1-x \right ) y^{\prime }+4 x \left (1-x \right ) y^{\prime \prime }&=0 \\ \end{align*}

[_Jacobi]

22.449

\(157\)

6173

\begin{align*} -\left (k -p \right ) \left (1+k +p \right ) y+2 \left (1-\left (3-2 k \right ) x \right ) y^{\prime }+4 x \left (1-x \right ) y^{\prime \prime }&=0 \\ \end{align*}

[_Jacobi]

85.993

\(158\)

6181

\begin{align*} c y+b x y^{\prime }+\left (a \,x^{2}+1\right ) y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

524.683

\(159\)

6185

\begin{align*} 2 \operatorname {a2} y+\left (\operatorname {b1} x +\operatorname {a1} \right ) y^{\prime }+\left (\operatorname {c0} \,x^{2}+\operatorname {b0} x +\operatorname {a0} \right ) y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

117.690

\(160\)

6190

\begin{align*} -y+2 x y^{\prime }+x^{3} y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

20.389

\(161\)

6191

\begin{align*} \left (\operatorname {b2} x +\operatorname {a2} \right ) y+\operatorname {a1} x y^{\prime }+x^{3} y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

15.275

\(162\)

6196

\begin{align*} \operatorname {a2} x y+\left (\operatorname {b1} \,x^{2}+\operatorname {a1} \right ) y^{\prime }+x^{3} y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

29.946

\(163\)

6197

\begin{align*} \operatorname {a2} y+x \left (\operatorname {b1} x +\operatorname {a1} \right ) y^{\prime }+x^{3} y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

30.780

\(164\)

6198

\begin{align*} \left (\operatorname {b2} x +\operatorname {a2} \right ) y+x \left (\operatorname {b1} x +\operatorname {a1} \right ) y^{\prime }+x^{3} y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

58.965

\(165\)

6207

\begin{align*} c x y+\left (b \,x^{2}+a \right ) y^{\prime }+x \left (x^{2}+1\right ) y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

105.527

\(166\)

6209

\begin{align*} 2 \left (1-b \right ) x y+\left (b \,x^{2}+a \right ) y^{\prime }+x \left (-x^{2}+1\right ) y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

96.819

\(167\)

6210

\begin{align*} c x y+\left (a -\left (a +1\right ) x^{2}\right ) y^{\prime }+x \left (-x^{2}+1\right ) y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

96.904

\(168\)

6211

\begin{align*} c x y+\left (b \,x^{2}+a \right ) y^{\prime }+x \left (-x^{2}+1\right ) y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

87.539

\(169\)

6214

\begin{align*} \operatorname {a2} x y+\left (\operatorname {b1} \,x^{2}+\operatorname {a1} \right ) y^{\prime }+x \left (x^{2}+\operatorname {a0} \right ) y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

112.964

\(170\)

6221

\begin{align*} \left (\operatorname {b2} x +\operatorname {a2} \right ) y+x \left (\operatorname {b1} x +\operatorname {a1} \right ) y^{\prime }+x^{2} \left (1-x \right ) y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

115.358

\(171\)

6222

\begin{align*} \left (\operatorname {b2} x +\operatorname {a2} \right ) y+x \left (\operatorname {b1} x +\operatorname {a1} \right ) y^{\prime }+x^{2} \left (\operatorname {a0} +x \right ) y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

115.207

\(172\)

6226

\begin{align*} \operatorname {a0} \operatorname {a1} \left (-k +x \right ) y+\left (1-\operatorname {a0} +\operatorname {a1} +\operatorname {a0} \operatorname {a2} -\operatorname {a3} +\left (\operatorname {a2} +\operatorname {a3} \right ) x +\left (1+\operatorname {a0} +\operatorname {a1} \right ) x^{2}\right ) y^{\prime }+\left (1-x \right ) \left (-x +a \right ) x y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

309.483

\(173\)

6227

\begin{align*} \left (\operatorname {c1} x +\operatorname {c0} \right ) y+\left (\operatorname {b2} \,x^{2}+\operatorname {b1} x +\operatorname {b0} \right ) y^{\prime }+\left (\operatorname {a1} -x \right ) \left (\operatorname {a2} -x \right ) \left (\operatorname {a3} -x \right ) y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

407.785

\(174\)

6234

\begin{align*} \left (b x +a \right ) y+2 \left (1-3 x \right ) \left (1-x \right ) y^{\prime }+4 x \left (1-x \right ) y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

65.609

\(175\)

6239

\begin{align*} \left (-a^{2}+{\mathrm e}^{\frac {2}{x}}\right ) y+x^{4} y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

2.344

\(176\)

6245

\begin{align*} y+x \left (x^{2}+1\right ) y^{\prime }+x^{4} y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

11.741

\(177\)

6253

\begin{align*} a \left (a +1\right ) y-2 x^{3} y^{\prime }+x^{2} \left (-x^{2}+1\right ) y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

68.760

\(178\)

6257

\begin{align*} -\left (m^{2}-n \left (n +1\right ) \left (-x^{2}+1\right )\right ) y-2 x \left (-x^{2}+1\right ) y^{\prime }+\left (-x^{2}+1\right )^{2} y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

66.297

\(179\)

6258

\begin{align*} -\left (k^{2}-p \left (1+p \right ) \left (-x^{2}+1\right )\right ) y-2 x \left (-x^{2}+1\right ) y^{\prime }+\left (-x^{2}+1\right )^{2} y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

63.477

\(180\)

6259

\begin{align*} -\left (a^{2}-k \left (-x^{2}+1\right )\right ) y-2 x \left (-x^{2}+1\right ) y^{\prime }+\left (-x^{2}+1\right )^{2} y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

51.824

\(181\)

6260

\begin{align*} \left (\operatorname {a4} \,x^{4}+\operatorname {a2} \,x^{2}+\operatorname {a0} \right ) y-2 x \left (-x^{2}+1\right ) y^{\prime }+\left (-x^{2}+1\right )^{2} y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

65.489

\(182\)

6262

\begin{align*} \left (\operatorname {c2} \,x^{2}+\operatorname {b2} x +\operatorname {a2} \right ) y+\operatorname {a1} x \left (-x^{2}+1\right ) y^{\prime }+\left (-x^{2}+1\right )^{2} y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

84.436

\(183\)

6269

\begin{align*} \left (c \,x^{2}+b x +a \right ) y+x^{2} \left (1-x \right )^{2} y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

5.373

\(184\)

6271

\begin{align*} \left (\operatorname {c2} \,x^{2}+\operatorname {b2} x +\operatorname {a2} \right ) y+\left (1-x \right ) x \left (\operatorname {b2} x +\operatorname {a1} \right ) y^{\prime }+x^{2} \left (1-x \right )^{2} y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

149.721

\(185\)

6278

\begin{align*} -\left (4 k^{2}+\left (4 p^{2}+1\right ) \left (-x^{2}+1\right )\right ) y-8 x \left (-x^{2}+1\right ) y^{\prime }+4 \left (-x^{2}+1\right )^{2} y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

53.968

\(186\)

6279

\begin{align*} -\left (4 k^{2}+\left (-4 p^{2}+1\right ) \left (-x^{2}+1\right )\right ) y-8 x \left (-x^{2}+1\right ) y^{\prime }+4 \left (-x^{2}+1\right )^{2} y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

53.849

\(187\)

6288

\begin{align*} \left (\operatorname {c2} \,x^{2}+\operatorname {b2} x +\operatorname {a2} \right ) y+\left (-x +a \right ) \left (-x +b \right ) \left (c -x \right ) \left (\operatorname {c1} \,x^{2}+\operatorname {b1} x +\operatorname {a1} \right ) y^{\prime }+\left (-x +a \right )^{2} \left (-x +b \right )^{2} \left (c -x \right )^{2} y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

1379.480

\(188\)

6294

\begin{align*} \left (\operatorname {a2} +\operatorname {b2} \,x^{k}\right ) y+x \left (\operatorname {a1} +\operatorname {b1} \,x^{k}\right ) y^{\prime }+x^{2} \left (\operatorname {a0} +\operatorname {b0} \,x^{k}\right ) y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

86.215

\(189\)

6296

\begin{align*} -\left (4 k^{2}-\left (-p^{2}+1\right ) \sinh \left (x \right )^{2}\right ) y+4 \cosh \left (x \right ) \sinh \left (x \right ) y^{\prime }+4 \sinh \left (x \right )^{2} y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

25.181

\(190\)

6316

\begin{align*} a y+y^{\prime } y+y^{\prime \prime }&=y^{3} \\ \end{align*}

[[_2nd_order, _missing_x]]

177.938

\(191\)

6318

\begin{align*} 2 a^{2} y+a y^{2}+\left (3 a +y\right ) y^{\prime }+y^{\prime \prime }&=y^{3} \\ \end{align*}

[[_2nd_order, _missing_x]]

34.462

\(192\)

6326

\begin{align*} y^{\prime \prime }&=a +4 y b^{2}+3 b y^{2}+3 y^{\prime } y \\ \end{align*}

[[_2nd_order, _missing_x], [_2nd_order, _reducible, _mu_x_y1], [_2nd_order, _reducible, _mu_xy]]

31.998

\(193\)

6329

\begin{align*} y^{\prime \prime }&=a \left (1+2 y^{\prime } y\right ) \\ \end{align*}

[[_2nd_order, _missing_x], [_2nd_order, _exact, _nonlinear], [_2nd_order, _reducible, _mu_x_y1], [_2nd_order, _reducible, _mu_xy]]

106.677

\(194\)

6354

\begin{align*} y^{\prime \prime }&=a \left (-y+x y^{\prime }\right )^{k} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

0.718

\(195\)

6358

\begin{align*} y^{\prime \prime }&=a \sqrt {b y^{2}+{y^{\prime }}^{2}} \\ \end{align*}

[[_2nd_order, _missing_x]]

560.101

\(196\)

6363

\begin{align*} y^{\prime \prime }&=a \left (b +c x +y\right ) \left (1+{y^{\prime }}^{2}\right )^{{3}/{2}} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries], [_2nd_order, _reducible, _mu_x_y1], [_2nd_order, _reducible, _mu_y_y1]]

0.839

\(197\)

6372

\begin{align*} a \,{\mathrm e}^{y} x +y^{\prime }+x y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries], [_2nd_order, _reducible, _mu_x_y1]]

0.495

\(198\)

6373

\begin{align*} y^{5} x +2 y^{\prime }+x y^{\prime \prime }&=0 \\ \end{align*}

[_Emden, [_2nd_order, _with_linear_symmetries]]

0.386

\(199\)

6383

\begin{align*} x y^{\prime \prime }&=-y^{2}-2 y^{\prime }+{y^{\prime }}^{2} x^{2} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries], [_2nd_order, _reducible, _mu_xy]]

0.523

\(200\)

6395

\begin{align*} x^{2} y^{\prime \prime }&=6 y-4 x^{2} y^{2}+x^{4} {y^{\prime }}^{2} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries], [_2nd_order, _reducible, _mu_xy]]

0.838

\(201\)

6396

\begin{align*} a \left (-y+x y^{\prime }\right )^{2}+x^{2} y^{\prime \prime }&=b \,x^{2} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

0.632

\(202\)

6402

\begin{align*} 2 y+a y^{3}+9 x^{2} y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

0.437

\(203\)

6405

\begin{align*} x^{3} y^{\prime \prime }&=a \left (-y+x y^{\prime }\right )^{2} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries], [_2nd_order, _reducible, _mu_xy]]

0.717

\(204\)

6407

\begin{align*} x^{4} y^{\prime \prime }&=-4 y^{2}+x \left (x^{2}+2 y\right ) y^{\prime } \\ \end{align*}

[[_2nd_order, _with_linear_symmetries], [_2nd_order, _reducible, _mu_x_y1], [_2nd_order, _reducible, _mu_xy]]

0.860

\(205\)

6408

\begin{align*} x^{4} y^{\prime \prime }&=-4 y^{2}+x^{2} y^{\prime } \left (x +y^{\prime }\right ) \\ \end{align*}

[[_2nd_order, _with_linear_symmetries], [_2nd_order, _reducible, _mu_xy]]

1.063

\(206\)

6409

\begin{align*} \left (-y+x y^{\prime }\right )^{3}+x^{4} y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

1.426

\(207\)

6414

\begin{align*} x^{{3}/{2}} y^{\prime \prime }&=f \left (\frac {y}{\sqrt {x}}\right ) \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

15.311

\(208\)

6432

\begin{align*} y y^{\prime \prime }&=-x^{2} y^{2}+\ln \left (y\right ) y^{2}+{y^{\prime }}^{2} \\ \end{align*}

[[_2nd_order, _reducible, _mu_xy]]

0.417

\(209\)

6444

\begin{align*} y y^{\prime \prime }&=g \left (x \right ) y^{2}+f \left (x \right ) y y^{\prime }+{y^{\prime }}^{2} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries], [_2nd_order, _reducible, _mu_xy]]

1.047

\(210\)

6454

\begin{align*} y y^{\prime \prime }&=\operatorname {a2} y^{2}+\operatorname {a3} y^{a +1}+\operatorname {a1} y y^{\prime }+a {y^{\prime }}^{2} \\ \end{align*}

[[_2nd_order, _missing_x], [_2nd_order, _reducible, _mu_xy]]

239.460

\(211\)

6464

\begin{align*} 2 y^{\prime } \left (y^{\prime }+1\right )+\left (x -y\right ) y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries], [_2nd_order, _reducible, _mu_x_y1], [_2nd_order, _reducible, _mu_y_y1]]

0.560

\(212\)

6465

\begin{align*} \left (x -y\right ) y^{\prime \prime }&=\left (y^{\prime }+1\right ) \left (1+{y^{\prime }}^{2}\right ) \\ \end{align*}

[[_2nd_order, _with_linear_symmetries], [_2nd_order, _reducible, _mu_x_y1], [_2nd_order, _reducible, _mu_y_y1]]

0.630

\(213\)

6466

\begin{align*} \left (x -y\right ) y^{\prime \prime }&=f \left (y^{\prime }\right ) \\ \end{align*}

[[_2nd_order, _with_linear_symmetries], [_2nd_order, _reducible, _mu_x_y1], [_2nd_order, _reducible, _mu_y_y1]]

2.647

\(214\)

6501

\begin{align*} f \left (x \right )+a y y^{\prime }+{y^{\prime }}^{2} x +x y y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _exact, _nonlinear], [_2nd_order, _reducible, _mu_xy]]

1.035

\(215\)

6507

\begin{align*} x y y^{\prime \prime }&=-\left (1+y\right ) y^{\prime }+2 {y^{\prime }}^{2} x \\ \end{align*}

[[_2nd_order, _with_linear_symmetries], [_2nd_order, _reducible, _mu_x_y1], [_2nd_order, _reducible, _mu_xy]]

0.555

\(216\)

6515

\begin{align*} \left (-y+x y^{\prime }\right )^{2}+x^{2} y y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries], [_2nd_order, _reducible, _mu_y_y1], [_2nd_order, _reducible, _mu_xy]]

0.573

\(217\)

6517

\begin{align*} x^{2} y y^{\prime \prime }&=a y^{2}+a x y y^{\prime }+2 {y^{\prime }}^{2} x^{2} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries], [_2nd_order, _reducible, _mu_y_y1], [_2nd_order, _reducible, _mu_xy]]

0.618

\(218\)

6518

\begin{align*} c y^{2}+b x y y^{\prime }+a \,x^{2} {y^{\prime }}^{2}+x^{2} y y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries], [_2nd_order, _reducible, _mu_xy]]

0.623

\(219\)

6519

\begin{align*} 2 \left (1-y\right )^{2} y-2 x \left (1-y\right ) y^{\prime }+2 {y^{\prime }}^{2} x^{2}+x^{2} \left (1-y\right ) y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries], [_2nd_order, _reducible, _mu_y_y1], [_2nd_order, _reducible, _mu_xy]]

1.755

\(220\)

6520

\begin{align*} x^{2} \left (x -y\right ) y^{\prime \prime }&=\left (-y+x y^{\prime }\right )^{2} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries], [_2nd_order, _reducible, _mu_xy]]

0.906

\(221\)

6521

\begin{align*} \left (-y+x y^{\prime }\right )^{2}+x^{2} \left (x -y\right ) y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries], [_2nd_order, _reducible, _mu_xy]]

0.763

\(222\)

6522

\begin{align*} x^{2} \left (x -y\right ) y^{\prime \prime }&=a \left (-y+x y^{\prime }\right )^{2} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries], [_2nd_order, _reducible, _mu_xy]]

0.859

\(223\)

6523

\begin{align*} 2 x^{2} y y^{\prime \prime }&=-y^{2}+{y^{\prime }}^{2} x^{2} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries], [_2nd_order, _reducible, _mu_xy]]

0.513

\(224\)

6524

\begin{align*} 2 x^{2} y y^{\prime \prime }&=-4 y^{2}+2 x y y^{\prime }+{y^{\prime }}^{2} x^{2} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries], [_2nd_order, _reducible, _mu_y_y1], [_2nd_order, _reducible, _mu_xy]]

0.615

\(225\)

6526

\begin{align*} x \left (1+x \right )^{2} y y^{\prime \prime }&=a \left (x +2\right ) y^{2}-2 \left (x^{2}+1\right ) y y^{\prime }+x \left (1+x \right )^{2} {y^{\prime }}^{2} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries], [_2nd_order, _reducible, _mu_xy]]

1.028

\(226\)

6527

\begin{align*} 3 x y^{2}-12 x^{2} y y^{\prime }+4 \left (-x^{3}+1\right ) {y^{\prime }}^{2}+8 \left (-x^{3}+1\right ) y y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries], [_2nd_order, _reducible, _mu_xy]]

0.953

\(227\)

6529

\begin{align*} \sqrt {a^{2}-x^{2}}\, \left (-y^{\prime } y-{y^{\prime }}^{2} x +x y y^{\prime \prime }\right )&=b x {y^{\prime }}^{2} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

1.296

\(228\)

6540

\begin{align*} \left (x +y^{2}\right ) y^{\prime \prime }&=2 \left (x -y^{2}\right ) {y^{\prime }}^{3}-y^{\prime } \left (1+4 y^{\prime } y\right ) \\ \end{align*}

[[_2nd_order, _with_linear_symmetries], [_2nd_order, _reducible, _mu_y_y1]]

0.931

\(229\)

6544

\begin{align*} 2 \left (1-y\right ) y y^{\prime \prime }&=f \left (x \right ) \left (1-y\right ) y y^{\prime }+\left (-2 y+1\right ) {y^{\prime }}^{2} \\ \end{align*}

[_Liouville, [_2nd_order, _reducible, _mu_x_y1], [_2nd_order, _reducible, _mu_xy]]

0.901

\(230\)

6550

\begin{align*} x y^{2} y^{\prime \prime }&=a \\ \end{align*}

[[_Emden, _Fowler], [_2nd_order, _with_linear_symmetries]]

0.319

\(231\)

6551

\begin{align*} x y^{2} y^{\prime \prime }&=\left (a -y^{2}\right ) y^{\prime }+x y {y^{\prime }}^{2} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries], [_2nd_order, _reducible, _mu_xy]]

0.535

\(232\)

6552

\begin{align*} x^{2} y^{2} y^{\prime \prime }&=\left (y^{2}+x^{2}\right ) \left (-y+x y^{\prime }\right ) \\ \end{align*}

[[_2nd_order, _with_linear_symmetries], [_2nd_order, _reducible, _mu_x_y1], [_2nd_order, _reducible, _mu_y_y1], [_2nd_order, _reducible, _mu_xy]]

0.895

\(233\)

6553

\begin{align*} \left (a^{2}-x^{2}\right ) y {y^{\prime }}^{2}+\left (a^{2}-x^{2}\right ) \left (a^{2}-y^{2}\right ) y^{\prime \prime }&=x \left (a^{2}-y^{2}\right ) y^{\prime } \\ \end{align*}

[_Liouville, [_2nd_order, _reducible, _mu_x_y1], [_2nd_order, _reducible, _mu_xy]]

1.990

\(234\)

6555

\begin{align*} \left (x +y\right ) \left (-y+x y^{\prime }\right )^{3}+x^{3} y^{2} y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

2.393

\(235\)

6566

\begin{align*} A y+\left (a +2 b x +c \,x^{2}+y^{2}\right )^{2} y^{\prime \prime }&=0 \\ \end{align*}

[NONE]

0.829

\(236\)

6579

\begin{align*} \left ({y^{\prime }}^{2}+a \left (-y+x y^{\prime }\right )\right ) y^{\prime \prime }&=b \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

0.794

\(237\)

6582

\begin{align*} {y^{\prime \prime }}^{2}&=a +b y \\ \end{align*}

[[_2nd_order, _missing_x], [_2nd_order, _reducible, _mu_x_y1]]

0.060

\(238\)

6589

\begin{align*} 4 {y^{\prime }}^{2}-2 \left (3 x y^{\prime }+y\right ) y^{\prime \prime }+3 x^{2} {y^{\prime \prime }}^{2}&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

4.188

\(239\)

6590

\begin{align*} 6 y y^{\prime \prime }-6 \left (1-6 x \right ) x y^{\prime } y^{\prime \prime }+\left (2-9 x \right ) x^{2} {y^{\prime \prime }}^{2}&=36 {y^{\prime }}^{2} x \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

27.228

\(240\)

6608

\begin{align*} y^{\prime \prime \prime }&=x y \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.032

\(241\)

6620

\begin{align*} y+2 x y^{\prime }+y^{\prime \prime \prime }&=0 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.036

\(242\)

6621

\begin{align*} a y+2 a x y^{\prime }+y^{\prime \prime \prime }&=0 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.038

\(243\)

6660

\begin{align*} -8 a x y-2 \left (-4 x^{2}-2 a +1\right ) y^{\prime }-6 x y^{\prime \prime }+y^{\prime \prime \prime }&=0 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.047

\(244\)

6661

\begin{align*} a^{3} x^{3} y+3 a^{2} x^{2} y^{\prime }+3 a x y^{\prime \prime }+y^{\prime \prime \prime }&=0 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.048

\(245\)

6662

\begin{align*} -2 y+2 x y^{\prime }-x^{2} y^{\prime \prime }+y^{\prime \prime \prime }&=0 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.039

\(246\)

6663

\begin{align*} -y^{\prime }+\left (2 \cot \left (x \right )+\csc \left (x \right )\right ) y^{\prime \prime }+y^{\prime \prime \prime }&=\cot \left (x \right ) \\ \end{align*}

[[_3rd_order, _missing_y]]

3.708

\(247\)

6666

\begin{align*} f \left (x \right ) y+y^{\prime }+f \left (x \right ) y^{\prime \prime }+y^{\prime \prime \prime }&=0 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.042

\(248\)

6672

\begin{align*} -y+x y^{\prime }-y^{\prime \prime }+x y^{\prime \prime \prime }&=0 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.039

\(249\)

6673

\begin{align*} y-x y^{\prime }-y^{\prime \prime }+x y^{\prime \prime \prime }&=0 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.039

\(250\)

6674

\begin{align*} y-x y^{\prime }-y^{\prime \prime }+x y^{\prime \prime \prime }&=-x^{2}+1 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.041

\(251\)

6675

\begin{align*} -x^{2} y+3 y^{\prime \prime }+x y^{\prime \prime \prime }&=0 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.039

\(252\)

6678

\begin{align*} a \,x^{2} y-6 y^{\prime }+x^{2} y^{\prime \prime \prime }&=0 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.043

\(253\)

6680

\begin{align*} 3 x y+y^{\prime } \left (x^{2}+2\right )+4 x y^{\prime \prime }+x^{2} y^{\prime \prime \prime }&=f \left (x \right ) \\ \end{align*}

[[_3rd_order, _linear, _nonhomogeneous]]

0.046

\(254\)

6683

\begin{align*} a \,x^{2} y+6 y^{\prime }+6 x y^{\prime \prime }+x^{2} y^{\prime \prime \prime }&=0 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.043

\(255\)

6687

\begin{align*} -2 x y+y^{\prime } \left (x^{2}+2\right )-2 x y^{\prime \prime }+\left (x^{2}+2\right ) y^{\prime \prime \prime }&=0 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.042

\(256\)

6688

\begin{align*} -2 y+2 x y^{\prime }-x^{2} y^{\prime \prime }+\left (x^{2}-2 x +2\right ) y^{\prime \prime \prime }&=0 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.042

\(257\)

6691

\begin{align*} y+x y^{\prime }+\left (\operatorname {b1} x +\operatorname {a1} \right ) y^{\prime \prime }+x \left (\operatorname {b0} x +\operatorname {a0} \right ) y^{\prime \prime \prime }&=f \left (x \right ) \\ \end{align*}

[[_3rd_order, _exact, _linear, _nonhomogeneous]]

2.600

\(258\)

6706

\begin{align*} -2 \left (x^{2}+4\right ) y+x \left (x^{2}+8\right ) y^{\prime }-4 x^{2} y^{\prime \prime }+x^{3} y^{\prime \prime \prime }&=0 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.047

\(259\)

6708

\begin{align*} -y+2 x y^{\prime }+x^{2} \ln \left (x \right ) y^{\prime \prime }+x^{3} y^{\prime \prime \prime }&=2 x^{3} \\ \end{align*}

[[_3rd_order, _linear, _nonhomogeneous]]

1.422

\(260\)

6710

\begin{align*} -12 y+3 \left (2 x^{2}+1\right ) y^{\prime \prime }+x \left (x^{2}+1\right ) y^{\prime \prime \prime }&=0 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.042

\(261\)

6713

\begin{align*} -8 y+3 \left (1+x \right ) y^{\prime }+\left (1+x \right )^{2} y^{\prime \prime }+\left (1+x \right )^{3} y^{\prime \prime \prime }&=0 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.046

\(262\)

6716

\begin{align*} 2 y+\left (1-2 x \right ) y^{\prime }+\left (1-2 x \right )^{3} y^{\prime \prime \prime }&=0 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.041

\(263\)

6720

\begin{align*} -4 \left (1+3 x \right ) y+2 x \left (2+5 x \right ) y^{\prime }-2 x^{2} \left (2 x +1\right ) y^{\prime \prime }+x^{3} \left (1+x \right ) y^{\prime \prime \prime }&=0 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.052

\(264\)

6722

\begin{align*} -4 \left (3 x^{2}+1\right ) y+2 x \left (5 x^{2}+2\right ) y^{\prime }-2 x^{2} \left (2 x^{2}+1\right ) y^{\prime \prime }+x^{3} \left (x^{2}+1\right ) y^{\prime \prime \prime }&=0 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.052

\(265\)

6723

\begin{align*} \left (-x +a \right )^{3} \left (-x +b \right )^{3} y^{\prime \prime \prime }&=c y \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.046

\(266\)

6759

\begin{align*} a^{4} x^{4} y+4 a^{3} x^{3} y^{\prime }+6 a^{2} x^{2} y^{\prime \prime }+4 a x y^{\prime \prime \prime }+y^{\prime \prime \prime \prime }&=0 \\ \end{align*}

[[_high_order, _with_linear_symmetries]]

0.058

\(267\)

6769

\begin{align*} -a^{2} y+12 y^{\prime \prime }+8 x y^{\prime \prime \prime }+x^{2} y^{\prime \prime \prime \prime }&=0 \\ \end{align*}

[[_high_order, _with_linear_symmetries]]

0.049

\(268\)

6771

\begin{align*} -c^{4} y+16 \left (1+a -b \right ) \left (2+a -b \right ) y^{\prime \prime }+32 \left (2+a -b \right ) x y^{\prime \prime \prime }+16 x^{2} y^{\prime \prime \prime \prime }&=0 \\ \end{align*}

[[_high_order, _with_linear_symmetries]]

0.056

\(269\)

6772

\begin{align*} -a^{4} x^{3} y-x y^{\prime \prime }+2 x^{2} y^{\prime \prime \prime }+x^{3} y^{\prime \prime \prime \prime }&=0 \\ \end{align*}

[[_high_order, _with_linear_symmetries]]

0.053

\(270\)

6774

\begin{align*} -k y-\left (-a b c +x \right ) y^{\prime }+\left (a b +a c +b c +a +b +c +1\right ) x y^{\prime \prime }+\left (3+a +b +c \right ) x^{2} y^{\prime \prime \prime }+x^{3} y^{\prime \prime \prime \prime }&=0 \\ \end{align*}

[[_high_order, _with_linear_symmetries]]

0.068

\(271\)

6780

\begin{align*} -b^{4} x^{\frac {2}{a}} y+16 \left (1-2 a \right ) \left (1-a \right ) a^{2} x^{2} y^{\prime \prime }-32 \left (1-2 a \right ) a^{2} x^{3} y^{\prime \prime \prime }+16 a^{4} x^{4} y^{\prime \prime \prime \prime }&=0 \\ \end{align*}

[[_high_order, _with_linear_symmetries]]

0.092

\(272\)

6794

\begin{align*} \left (1-y\right ) y^{\prime }+{y^{\prime }}^{2} x -x \left (1-y\right ) y^{\prime \prime }+x^{2} y^{\prime \prime \prime }&=0 \\ \end{align*}

[[_3rd_order, _exact, _nonlinear], [_3rd_order, _with_linear_symmetries], [_3rd_order, _reducible, _mu_y2]]

0.048

\(273\)

6795

\begin{align*} y^{3} y^{\prime }-y^{\prime } y^{\prime \prime }+y y^{\prime \prime \prime }&=0 \\ \end{align*}

[[_3rd_order, _missing_x], [_3rd_order, _exact, _nonlinear], [_3rd_order, _with_linear_symmetries]]

0.043

\(274\)

6796

\begin{align*} 3 y^{\prime } y^{\prime \prime }+\left (y+a \right ) y^{\prime \prime \prime }&=0 \\ \end{align*}

[[_3rd_order, _missing_x], [_3rd_order, _exact, _nonlinear], [_3rd_order, _with_linear_symmetries], [_3rd_order, _reducible, _mu_y2], [_3rd_order, _reducible, _mu_poly_yn]]

0.041

\(275\)

6797

\begin{align*} 3 y^{2}+18 x y y^{\prime }+9 {y^{\prime }}^{2} x^{2}+9 x^{2} y y^{\prime \prime }+3 x^{3} y^{\prime } y^{\prime \prime }+x^{3} y y^{\prime \prime \prime }&=0 \\ \end{align*}

[[_3rd_order, _exact, _nonlinear], [_3rd_order, _with_linear_symmetries]]

0.058

\(276\)

6798

\begin{align*} 2 {y^{\prime }}^{3}+3 y^{\prime \prime }+6 y y^{\prime } y^{\prime \prime }+\left (x +y^{2}\right ) y^{\prime \prime \prime }&=0 \\ \end{align*}

[[_3rd_order, _exact, _nonlinear], [_3rd_order, _with_linear_symmetries]]

0.051

\(277\)

6799

\begin{align*} 15 {y^{\prime }}^{3}-18 y y^{\prime } y^{\prime \prime }+4 y^{2} y^{\prime \prime \prime }&=0 \\ \end{align*}

[[_3rd_order, _missing_x], [_3rd_order, _with_linear_symmetries]]

0.045

\(278\)

6800

\begin{align*} 40 {y^{\prime }}^{3}-45 y y^{\prime } y^{\prime \prime }+9 y^{2} y^{\prime \prime \prime }&=0 \\ \end{align*}

[[_3rd_order, _missing_x], [_3rd_order, _with_linear_symmetries]]

0.045

\(279\)

6813

\begin{align*} 40 {y^{\prime \prime \prime }}^{3}-45 y^{\prime \prime } y^{\prime \prime \prime } y^{\prime \prime \prime \prime }+9 {y^{\prime \prime }}^{2} y^{\left (5\right )}&=0 \\ \end{align*}

[[_high_order, _missing_x], [_high_order, _missing_y], [_high_order, _with_linear_symmetries]]

0.152

\(280\)

7008

\begin{align*} \left (x y \sqrt {x^{2}-y^{2}}+x \right ) y^{\prime }&=y-x^{2} \sqrt {x^{2}-y^{2}} \\ \end{align*}

[NONE]

31.998

\(281\)

7142

\begin{align*} x y y^{\prime \prime }-2 {y^{\prime }}^{2} x +\left (1+y\right ) y^{\prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries], [_2nd_order, _reducible, _mu_x_y1], [_2nd_order, _reducible, _mu_xy]]

0.334

\(282\)

7146

\begin{align*} y^{\prime }-\left (y-f \left (x \right )\right ) \left (y-g \left (x \right )\right ) \left (y-\frac {a f \left (x \right )+b g \left (x \right )}{a +b}\right ) h \left (x \right )-\frac {f^{\prime }\left (x \right ) \left (y-g \left (x \right )\right )}{f \left (x \right )-g \left (x \right )}-\frac {g^{\prime }\left (x \right ) \left (y-f \left (x \right )\right )}{g \left (x \right )-f \left (x \right )}&=0 \\ \end{align*}

[_Abel]

10.603

\(283\)

7147

\begin{align*} x^{2} y^{\prime }+x y^{3}+a y^{2}&=0 \\ \end{align*}

[_rational, _Abel]

11.670

\(284\)

7148

\begin{align*} \left (a x +b \right )^{2} y^{\prime }+\left (a x +b \right ) y^{3}+c y^{2}&=0 \\ \end{align*}

[_rational, _Abel]

17.043

\(285\)

7472

\begin{align*} 5 x^{2} y+6 x^{3} y^{2}+4 x y^{2}+\left (2 x^{3}+3 x^{4} y+3 x^{2} y\right ) y^{\prime }&=0 \\ \end{align*}

[_rational, [_Abel, ‘2nd type‘, ‘class B‘]]

24.019

\(286\)

7488

\begin{align*} 2 x +2 y+2 x^{3} y+4 x^{2} y^{2}+\left (2 x +x^{4}+2 x^{3} y\right ) y^{\prime }&=0 \\ \end{align*}

[_rational, [_Abel, ‘2nd type‘, ‘class B‘]]

18.353

\(287\)

7694

\begin{align*} x y^{\prime \prime }+\left (1-x \right ) y^{\prime }+m y&=0 \\ \end{align*}

[_Laguerre]

4.144

\(288\)

8054

\begin{align*} \left (2 x -3\right ) y^{\prime \prime \prime }-\left (6 x -7\right ) y^{\prime \prime }+4 x y^{\prime }-4 y&=8 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.048

\(289\)

8091

\begin{align*} x^{3} \left (1+x \right ) y^{\prime \prime \prime }-\left (4 x +2\right ) x^{2} y^{\prime \prime }+\left (4+10 x \right ) x y^{\prime }-\left (4+12 x \right ) y&=0 \\ \end{align*}

Series expansion around \(x=0\).

[[_3rd_order, _with_linear_symmetries]]

0.036

\(290\)

8092

\begin{align*} x^{3} \left (x^{2}+1\right ) y^{\prime \prime \prime }-\left (4 x^{2}+2\right ) x^{2} y^{\prime \prime }+\left (10 x^{2}+4\right ) x y^{\prime }-\left (12 x^{2}+4\right ) y&=0 \\ \end{align*}

Series expansion around \(x=0\).

[[_3rd_order, _with_linear_symmetries]]

0.038

\(291\)

8151

\begin{align*} \left (1-x \right ) y^{\prime \prime }-4 x y^{\prime }+5 y&=\cos \left (x \right ) \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

8.536

\(292\)

8198

\begin{align*} x^{\prime \prime }&=4 y+{\mathrm e}^{t} \\ y^{\prime \prime }&=4 x-{\mathrm e}^{t} \\ \end{align*}

system_of_ODEs

0.041

\(293\)

8253

\begin{align*} y^{\prime }&=y^{2}+x^{2} \\ y \left (0\right ) &= 1 \\ \end{align*}

[[_Riccati, _special]]

14.722

\(294\)

8291

\begin{align*} y^{\prime }&=x^{2}-y^{2} \\ y \left (0\right ) &= 2 \\ \end{align*}

[_Riccati]

10.366

\(295\)

8771

\begin{align*} x^{2} \left (1+x \right ) y^{\prime \prime }+x \left (3+4 x \right ) y^{\prime }-y&=x +\frac {1}{x} \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

80.773

\(296\)

8776

\begin{align*} \left (\cos \left (x \right )-\sin \left (x \right )\right ) y^{\prime \prime }-2 \sin \left (x \right ) y^{\prime }+y \left (\cos \left (x \right )+\sin \left (x \right )\right )&=\left (\cos \left (x \right )-\sin \left (x \right )\right )^{2} \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

9.030

\(297\)

8803

\begin{align*} x^{2} y y^{\prime \prime }&=-y^{2}+{y^{\prime }}^{2} x^{2} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries], [_2nd_order, _reducible, _mu_y_y1], [_2nd_order, _reducible, _mu_xy]]

0.479

\(298\)

8833

\begin{align*} \left (-x^{2}+1\right ) z^{\prime \prime }+\left (1-3 x \right ) z^{\prime }+k z&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

80.714

\(299\)

8834

\begin{align*} \left (-x^{2}+1\right ) \eta ^{\prime \prime }-\left (1+x \right ) \eta ^{\prime }+\left (1+k \right ) \eta &=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

78.669

\(300\)

8970

\begin{align*} y^{\prime \prime \prime }-x y&=0 \\ y \left (0\right ) &= 1 \\ y^{\prime }\left (0\right ) &= 0 \\ y^{\prime \prime }\left (0\right ) &= 0 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.067

\(301\)

8973

\begin{align*} y^{\prime \prime }-2 x y^{\prime }+2 \alpha y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

3.288

\(302\)

9435

\begin{align*} x^{3} y^{\prime \prime \prime }+2 x^{2} y^{\prime \prime }+\left (x^{2}+x \right ) y^{\prime }+x y&=0 \\ \end{align*}

Series expansion around \(x=0\).

[[_3rd_order, _with_linear_symmetries]]

0.034

\(303\)

9436

\begin{align*} x^{3} y^{\prime \prime \prime }+x^{2} y^{\prime \prime }-3 x y^{\prime }+\left (-1+x \right ) y&=0 \\ \end{align*}

Series expansion around \(x=0\).

[[_3rd_order, _with_linear_symmetries]]

0.034

\(304\)

9437

\begin{align*} x^{3} y^{\prime \prime \prime }-2 x^{2} y^{\prime \prime }+\left (x^{2}+2 x \right ) y^{\prime }-x y&=0 \\ \end{align*}

Series expansion around \(x=0\).

[[_3rd_order, _with_linear_symmetries]]

0.034

\(305\)

9438

\begin{align*} x^{3} y^{\prime \prime \prime }+\left (2 x^{3}-x^{2}\right ) y^{\prime \prime }-x y^{\prime }+y&=0 \\ \end{align*}

Series expansion around \(x=0\).

[[_3rd_order, _with_linear_symmetries]]

0.033

\(306\)

10038

\begin{align*} y^{\prime \prime }+\frac {\left (t^{2}-1\right ) y^{\prime }}{t}+\frac {t^{2} y}{\left (1+{\mathrm e}^{\frac {t^{2}}{2}}\right )^{2}}&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

14.729

\(307\)

10077

\begin{align*} y^{\prime \prime }-y^{\prime } y&=2 x \\ \end{align*}

[[_2nd_order, _exact, _nonlinear], [_2nd_order, _reducible, _mu_x_y1], [_2nd_order, _reducible, _mu_y_y1], [_2nd_order, _reducible, _mu_xy]]

125.466

\(308\)

10089

\begin{align*} y^{\prime \prime }-a x y^{\prime }-b x y-c x&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

4.482

\(309\)

10090

\begin{align*} y^{\prime \prime }-a x y^{\prime }-b x y-c \,x^{2}&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

2.554

\(310\)

10091

\begin{align*} y^{\prime \prime }-a x y^{\prime }-b x y-x^{3} c&=0 \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

2.668

\(311\)

10123

\begin{align*} y^{\prime \prime }-x^{2} y^{\prime }-x y-x^{2}&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

6.408

\(312\)

10126

\begin{align*} y^{\prime \prime }-\frac {y^{\prime }}{x}-x y-x^{2}-\frac {1}{x}&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

33.119

\(313\)

10128

\begin{align*} y^{\prime \prime }-\frac {y^{\prime }}{x}-x^{3} y-x^{4}-\frac {1}{x}&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

183.062

\(314\)

10130

\begin{align*} y^{\prime \prime }-x^{3} y^{\prime }-x^{2} y-x^{3}&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

4.586

\(315\)

10132

\begin{align*} y^{\prime \prime \prime }-x^{3} y^{\prime }-x^{2} y-x^{3}&=0 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.046

\(316\)

10227

\begin{align*} \frac {x y^{\prime \prime }}{1-x}+y&=\frac {1}{1-x} \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

2.323

\(317\)

10229

\begin{align*} \frac {x y^{\prime \prime }}{1-x}+y&=\cos \left (x \right ) \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

2.066

\(318\)

10414

\begin{align*} y^{\prime \prime }+\left (1-x \right ) y^{\prime }+y^{2} {y^{\prime }}^{2}&=0 \\ \end{align*}

[_Liouville, [_2nd_order, _reducible, _mu_x_y1], [_2nd_order, _reducible, _mu_xy]]

0.525

\(319\)

10415

\begin{align*} y^{\prime \prime }+\left (\sin \left (x \right )+2 x \right ) y^{\prime }+\cos \left (y\right ) y {y^{\prime }}^{2}&=0 \\ \end{align*}

[_Liouville, [_2nd_order, _reducible, _mu_x_y1], [_2nd_order, _reducible, _mu_xy]]

2.033

\(320\)

10419

\begin{align*} y^{\prime \prime }+\left (x +3\right ) y^{\prime }+\left (y^{2}+3\right ) {y^{\prime }}^{2}&=0 \\ \end{align*}

[_Liouville, [_2nd_order, _reducible, _mu_x_y1], [_2nd_order, _reducible, _mu_xy]]

0.559

\(321\)

10424

\begin{align*} 10 y^{\prime \prime }+\left ({\mathrm e}^{x}+3 x \right ) y^{\prime }+\frac {3 \,{\mathrm e}^{y} {y^{\prime }}^{2}}{\sin \left (y\right )}&=0 \\ \end{align*}

[_Liouville, [_2nd_order, _reducible, _mu_x_y1], [_2nd_order, _reducible, _mu_xy]]

2.278

\(322\)

10458

\begin{align*} y^{\prime \prime \prime }-x y&=0 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.038

\(323\)

11335

\begin{align*} y^{\prime }-\frac {y^{2} f^{\prime }\left (x \right )}{g \left (x \right )}+\frac {g^{\prime }\left (x \right )}{f \left (x \right )}&=0 \\ \end{align*}

[_Riccati]

6.645

\(324\)

11338

\begin{align*} y^{\prime }+y^{3}+a x y^{2}&=0 \\ \end{align*}

[_Abel]

7.977

\(325\)

11339

\begin{align*} y^{\prime }-y^{3}-a \,{\mathrm e}^{x} y^{2}&=0 \\ \end{align*}

[_Abel]

5.476

\(326\)

11342

\begin{align*} y^{\prime }+3 a y^{3}+6 a x y^{2}&=0 \\ \end{align*}

[_Abel]

7.868

\(327\)

11344

\begin{align*} y^{\prime }-x \left (x +2\right ) y^{3}-y^{2} \left (x +3\right )&=0 \\ \end{align*}

[_Abel]

8.047

\(328\)

11345

\begin{align*} y^{\prime }+\left (4 a^{2} x +3 a \,x^{2}+b \right ) y^{3}+3 x y^{2}&=0 \\ \end{align*}

[_Abel]

15.330

\(329\)

11347

\begin{align*} y^{\prime }+2 \left (a^{2} x^{3}-b^{2} x \right ) y^{3}+3 b y^{2}&=0 \\ \end{align*}

[_Abel]

10.658

\(330\)

11352

\begin{align*} y^{\prime }-\left (y-f \left (x \right )\right ) \left (y-g \left (x \right )\right ) \left (y-\frac {a f \left (x \right )+b g \left (x \right )}{a +b}\right ) h \left (x \right )-\frac {f^{\prime }\left (x \right ) \left (y-g \left (x \right )\right )}{f \left (x \right )-g \left (x \right )}-\frac {g^{\prime }\left (x \right ) \left (y-f \left (x \right )\right )}{g \left (x \right )-f \left (x \right )}&=0 \\ \end{align*}

[_Abel]

11.127

\(331\)

11363

\begin{align*} y^{\prime }-\frac {y-x^{2} \sqrt {x^{2}-y^{2}}}{x y \sqrt {x^{2}-y^{2}}+x}&=0 \\ \end{align*}

[NONE]

32.516

\(332\)

11381

\begin{align*} y^{\prime }+f \left (x \right ) \sin \left (y\right )+\left (1-f^{\prime }\left (x \right )\right ) \cos \left (y\right )-f^{\prime }\left (x \right )-1&=0 \\ \end{align*}

[‘y=_G(x,y’)‘]

3.117

\(333\)

11382

\begin{align*} y^{\prime }+2 \tan \left (y\right ) \tan \left (x \right )-1&=0 \\ \end{align*}

[‘y=_G(x,y’)‘]

3.469

\(334\)

11386

\begin{align*} y^{\prime }-x^{a -1} y^{1-b} f \left (\frac {x^{a}}{a}+\frac {y^{b}}{b}\right )&=0 \\ \end{align*}

[[_1st_order, ‘_with_symmetry_[F(x),G(y)]‘]]

11.213

\(335\)

11388

\begin{align*} 2 y^{\prime }-3 y^{2}-4 a y-b -c \,{\mathrm e}^{-2 a x}&=0 \\ \end{align*}

[_Riccati]

36.308

\(336\)

11411

\begin{align*} x y^{\prime }+y^{3}+3 x y^{2}&=0 \\ \end{align*}

[_rational, _Abel]

11.253

\(337\)

11427

\begin{align*} x y^{\prime }+a y-f \left (x \right ) g \left (x^{a} y\right )&=0 \\ \end{align*}

[[_1st_order, ‘_with_symmetry_[F(x),G(x)*y+H(x)]‘]]

6.262

\(338\)

11444

\begin{align*} x^{2} y^{\prime }+a y^{3}-a \,x^{2} y^{2}&=0 \\ \end{align*}

[_rational, _Abel]

5.470

\(339\)

11445

\begin{align*} x^{2} y^{\prime }+x y^{3}+a y^{2}&=0 \\ \end{align*}

[_rational, _Abel]

9.884

\(340\)

11446

\begin{align*} x^{2} y^{\prime }+y^{3} a \,x^{2}+b y^{2}&=0 \\ \end{align*}

[_rational, _Abel]

8.028

\(341\)

11450

\begin{align*} \left (x^{2}+1\right ) y^{\prime }+\left (1+y^{2}\right ) \left (2 x y-1\right )&=0 \\ \end{align*}

[_rational, _Abel]

58.483

\(342\)

11451

\begin{align*} \left (x^{2}+1\right ) y^{\prime }+x \sin \left (y\right ) \cos \left (y\right )-x \left (x^{2}+1\right ) \cos \left (y\right )^{2}&=0 \\ \end{align*}

[‘y=_G(x,y’)‘]

17.802

\(343\)

11456

\begin{align*} \left (x^{2}-1\right ) y^{\prime }+a \left (y^{2}-2 x y+1\right )&=0 \\ \end{align*}

[_rational, _Riccati]

5.705

\(344\)

11468

\begin{align*} \left (a x +b \right )^{2} y^{\prime }+\left (a x +b \right ) y^{3}+c y^{2}&=0 \\ \end{align*}

[_rational, _Abel]

11.745

\(345\)

11484

\begin{align*} x^{7} y^{\prime }+5 x^{3} y^{2}+2 \left (x^{2}+1\right ) y^{3}&=0 \\ \end{align*}

[_rational, _Abel]

26.684

\(346\)

11510

\begin{align*} y^{\prime } y+x +f \left (y^{2}+x^{2}\right ) g \left (x \right )&=0 \\ \end{align*}

[NONE]

11.035

\(347\)

11548

\begin{align*} \left (x^{2} y-1\right ) y^{\prime }-x y^{2}+1&=0 \\ \end{align*}

[_rational, [_Abel, ‘2nd type‘, ‘class B‘]]

64.987

\(348\)

11553

\begin{align*} x \left (x y+x^{4}-1\right ) y^{\prime }-y \left (x y-x^{4}-1\right )&=0 \\ \end{align*}

[_rational, [_Abel, ‘2nd type‘, ‘class B‘]]

28.517

\(349\)

11573

\begin{align*} \left (x +2 y+y^{2}\right ) y^{\prime }+y \left (1+y\right )+\left (x +y\right )^{2} y^{2}&=0 \\ \end{align*}

[_rational]

4.879

\(350\)

11607

\begin{align*} \left (2 a y^{3}+3 a x y^{2}-b \,x^{3}+c \,x^{2}\right ) y^{\prime }-a y^{3}+c y^{2}+3 b \,x^{2} y+2 b \,x^{3}&=0 \\ \end{align*}

[_rational]

8.601

\(351\)

11643

\begin{align*} \cos \left (y\right ) y^{\prime }-\cos \left (x \right ) \sin \left (y\right )^{2}-\sin \left (y\right )&=0 \\ \end{align*}

[‘y=_G(x,y’)‘]

34.771

\(352\)

11644

\begin{align*} \cos \left (y\right ) y^{\prime }+x \sin \left (y\right ) \cos \left (y\right )^{2}-\sin \left (y\right )^{3}&=0 \\ \end{align*}

[‘y=_G(x,y’)‘]

55.100

\(353\)

11650

\begin{align*} x y^{\prime } \ln \left (x \right ) \sin \left (y\right )+\cos \left (y\right ) \left (1-x \cos \left (y\right )\right )&=0 \\ \end{align*}

[‘y=_G(x,y’)‘]

39.910

\(354\)

11744

\begin{align*} x \left (x^{2}-1\right ) {y^{\prime }}^{2}+2 \left (-x^{2}+1\right ) y y^{\prime }+x y^{2}-x&=0 \\ \end{align*}

[_rational, [_1st_order, ‘_with_symmetry_[F(x),G(x)*y+H(x)]‘]]

38.771

\(355\)

11790

\begin{align*} x y^{2} {y^{\prime }}^{2}-\left (y^{3}+x^{3}-a \right ) y^{\prime }+x^{2} y&=0 \\ \end{align*}

[_rational]

199.212

\(356\)

11797

\begin{align*} \left (a^{2} \sqrt {y^{2}+x^{2}}-x^{2}\right ) {y^{\prime }}^{2}+2 x y y^{\prime }+a^{2} \sqrt {y^{2}+x^{2}}-y^{2}&=0 \\ \end{align*}

[[_1st_order, _with_linear_symmetries]]

101.197

\(357\)

11798

\begin{align*} \left (a \left (y^{2}+x^{2}\right )^{{3}/{2}}-x^{2}\right ) {y^{\prime }}^{2}+2 x y y^{\prime }+a \left (y^{2}+x^{2}\right )^{{3}/{2}}-y^{2}&=0 \\ \end{align*}

[[_1st_order, _with_linear_symmetries]]

141.386

\(358\)

11801

\begin{align*} f \left (y^{2}+x^{2}\right ) \left (1+{y^{\prime }}^{2}\right )-\left (-y+x y^{\prime }\right )^{2}&=0 \\ \end{align*}

[[_1st_order, _with_linear_symmetries]]

40.511

\(359\)

11840

\begin{align*} x^{n -1} {y^{\prime }}^{n}-n x y^{\prime }+y&=0 \\ \end{align*}

[‘y=_G(x,y’)‘]

9.614

\(360\)

11845

\begin{align*} y \sqrt {1+{y^{\prime }}^{2}}-a y y^{\prime }-a x&=0 \\ \end{align*}

[[_homogeneous, ‘class A‘], _rational, _dAlembert]

0.225

\(361\)

11847

\begin{align*} f \left (y^{2}+x^{2}\right ) \sqrt {1+{y^{\prime }}^{2}}-x y^{\prime }+y&=0 \\ \end{align*}

[[_1st_order, _with_linear_symmetries]]

51.729

\(362\)

11857

\begin{align*} a \,x^{n} f \left (y^{\prime }\right )+x y^{\prime }-y&=0 \\ \end{align*}

[‘y=_G(x,y’)‘]

3.437

\(363\)

11858

\begin{align*} f \left ({y^{\prime }}^{2} x \right )+2 x y^{\prime }-y&=0 \\ \end{align*}

[‘y=_G(x,y’)‘]

1.227

\(364\)

11859

\begin{align*} f \left (x -\frac {3 {y^{\prime }}^{2}}{2}\right )+{y^{\prime }}^{3}-y&=0 \\ \end{align*}

[[_1st_order, ‘_with_symmetry_[F(x),G(y)]‘]]

4.955

\(365\)

11864

\begin{align*} y^{\prime }&=\frac {1+2 F \left (\frac {4 x^{2} y+1}{4 x^{2}}\right ) x}{2 x^{3}} \\ \end{align*}

[[_1st_order, ‘_with_symmetry_[F(x),G(x)]‘]]

5.065

\(366\)

11865

\begin{align*} y^{\prime }&=\frac {1+F \left (\frac {a x y+1}{a x}\right ) a \,x^{2}}{a \,x^{2}} \\ \end{align*}

[[_1st_order, ‘_with_symmetry_[F(x),G(y)]‘]]

5.155

\(367\)

11868

\begin{align*} y^{\prime }&=F \left (\ln \left (\ln \left (y\right )\right )-\ln \left (x \right )\right ) y \\ \end{align*}

[[_1st_order, ‘_with_symmetry_[F(x),G(y)]‘]]

9.100

\(368\)

11870

\begin{align*} y^{\prime }&=\frac {\left (x^{{3}/{2}}+2 F \left (y-\frac {x^{3}}{6}\right )\right ) \sqrt {x}}{2} \\ \end{align*}

[[_1st_order, ‘_with_symmetry_[F(x),G(x)]‘]]

6.719

\(369\)

11875

\begin{align*} y^{\prime }&=\frac {6 x^{3}+5 \sqrt {x}+5 F \left (y-\frac {2 x^{3}}{5}-2 \sqrt {x}\right )}{5 x} \\ \end{align*}

[[_1st_order, ‘_with_symmetry_[F(x),G(x)]‘]]

7.433

\(370\)

11876

\begin{align*} y^{\prime }&=\frac {F \left (y^{{3}/{2}}-\frac {3 \,{\mathrm e}^{x}}{2}\right ) {\mathrm e}^{x}}{\sqrt {y}} \\ \end{align*}

[[_1st_order, ‘_with_symmetry_[F(x),G(y)]‘]]

7.411

\(371\)

11884

\begin{align*} y^{\prime }&=\frac {F \left (-\left (x -y\right ) \left (x +y\right )\right ) x}{y} \\ \end{align*}

[[_1st_order, ‘_with_symmetry_[F(x),G(y)]‘]]

18.187

\(372\)

11885

\begin{align*} y^{\prime }&=\frac {y^{2} \left (2+F \left (\frac {x^{2}-y}{y x^{2}}\right ) x^{2}\right )}{x^{3}} \\ \end{align*}

[NONE]

5.956

\(373\)

11886

\begin{align*} y^{\prime }&=\frac {2 F \left (y+\ln \left (2 x +1\right )\right ) x +F \left (y+\ln \left (2 x +1\right )\right )-2}{2 x +1} \\ \end{align*}

[[_1st_order, ‘_with_symmetry_[F(x),G(y)]‘]]

5.509

\(374\)

11887

\begin{align*} y^{\prime }&=\frac {2 y^{3}}{1+2 F \left (\frac {1+4 x y^{2}}{y^{2}}\right ) y} \\ \end{align*}

[‘x=_G(y,y’)‘]

5.090

\(375\)

11889

\begin{align*} y^{\prime }&=-\left (-{\mathrm e}^{-x^{2}}+x^{2} {\mathrm e}^{-x^{2}}-F \left (y-\frac {x^{2} {\mathrm e}^{-x^{2}}}{2}\right )\right ) x \\ \end{align*}

[[_1st_order, ‘_with_symmetry_[F(x),G(x)]‘]]

10.970

\(376\)

11900

\begin{align*} y^{\prime }&=\frac {F \left (\frac {\left (3+y\right ) {\mathrm e}^{\frac {3 x^{2}}{2}}}{3 y}\right ) x y^{2} {\mathrm e}^{3 x^{2}} {\mathrm e}^{-\frac {9 x^{2}}{2}}}{9} \\ \end{align*}

[[_1st_order, ‘_with_symmetry_[F(x),G(y)]‘]]

16.266

\(377\)

11901

\begin{align*} y^{\prime }&=\frac {\left (1+y\right ) \left (\left (y-\ln \left (1+y\right )-\ln \left (x \right )\right ) x +1\right )}{y x} \\ \end{align*}

[‘y=_G(x,y’)‘]

45.155

\(378\)

11902

\begin{align*} y^{\prime }&=\frac {6 y}{8 y^{4}+9 y^{3}+12 y^{2}+6 y-F \left (-\frac {y^{4}}{3}-\frac {y^{3}}{2}-y^{2}-y+x \right )} \\ \end{align*}

[‘x=_G(y,y’)‘]

5.996

\(379\)

11908

\begin{align*} y^{\prime }&=\frac {i x^{2} \left (i-2 \sqrt {-x^{3}+6 y}\right )}{2} \\ \end{align*}

[[_1st_order, ‘_with_symmetry_[F(x),G(y)]‘]]

1.701

\(380\)

11917

\begin{align*} y^{\prime }&=\frac {1+2 x^{5} \sqrt {4 x^{2} y+1}}{2 x^{3}} \\ \end{align*}

[[_1st_order, ‘_with_symmetry_[F(x),G(x)*y+H(x)]‘]]

12.784

\(381\)

11921

\begin{align*} y^{\prime }&=-\left (-\ln \left (\ln \left (y\right )\right )+\ln \left (x \right )\right ) y \\ \end{align*}

[‘x=_G(y,y’)‘]

7.346

\(382\)

11922

\begin{align*} y^{\prime }&=\left (-\ln \left (\ln \left (y\right )\right )+\ln \left (x \right )\right )^{2} y \\ \end{align*}

[‘y=_G(x,y’)‘]

9.155

\(383\)

11923

\begin{align*} y^{\prime }&=\frac {y}{\ln \left (\ln \left (y\right )\right )-\ln \left (x \right )+1} \\ \end{align*}

[‘y=_G(x,y’)‘]

11.419

\(384\)

11924

\begin{align*} y^{\prime }&=\frac {1+2 \sqrt {4 x^{2} y+1}\, x^{4}}{2 x^{3}} \\ \end{align*}

[[_1st_order, ‘_with_symmetry_[F(x),G(x)*y+H(x)]‘]]

12.399

\(385\)

11931

\begin{align*} y^{\prime }&=-\frac {x^{3} \left (\sqrt {a}\, x +\sqrt {a}-2 \sqrt {a \,x^{4}+8 y}\right ) \sqrt {a}}{2 \left (1+x \right )} \\ \end{align*}

[[_1st_order, ‘_with_symmetry_[F(x),G(x)]‘]]

26.300

\(386\)

11948

\begin{align*} y^{\prime }&=-\frac {\left (\sqrt {a}\, x^{4}+\sqrt {a}\, x^{3}-2 \sqrt {a \,x^{4}+8 y}\right ) \sqrt {a}}{2 \left (1+x \right )} \\ \end{align*}

[[_1st_order, ‘_with_symmetry_[F(x),G(x)]‘]]

2.004

\(387\)

11952

\begin{align*} y^{\prime }&=\frac {\left (-2 y^{{3}/{2}}+3 \,{\mathrm e}^{x}\right )^{2} {\mathrm e}^{x}}{4 \sqrt {y}} \\ \end{align*}

[[_1st_order, ‘_with_symmetry_[F(x),G(y)]‘]]

9.894

\(388\)

11955

\begin{align*} y^{\prime }&=\frac {x^{2} \left (3 x +\sqrt {-9 x^{4}+4 y^{3}}\right )}{y^{2}} \\ \end{align*}

[‘y=_G(x,y’)‘]

205.534

\(389\)

11959

\begin{align*} y^{\prime }&=\frac {x +1+2 x^{6} \sqrt {4 x^{2} y+1}}{2 x^{3} \left (1+x \right )} \\ \end{align*}

[[_1st_order, ‘_with_symmetry_[F(x),G(x)*y+H(x)]‘]]

12.211

\(390\)

11961

\begin{align*} y^{\prime }&=\frac {x^{2} \left (x +1+2 x \sqrt {x^{3}-6 y}\right )}{2 x +2} \\ \end{align*}

[[_1st_order, ‘_with_symmetry_[F(x),G(x)]‘]]

23.738

\(391\)

11973

\begin{align*} y^{\prime }&=\frac {-x^{2}+1+4 x^{3} \sqrt {x^{2}-2 x +1+8 y}}{4+4 x} \\ \end{align*}

[[_1st_order, ‘_with_symmetry_[F(x),G(x)]‘]]

13.929

\(392\)

11977

\begin{align*} y^{\prime }&=\frac {x +1+2 \sqrt {4 x^{2} y+1}\, x^{3}}{2 x^{3} \left (1+x \right )} \\ \end{align*}

[[_1st_order, ‘_with_symmetry_[F(x),G(x)*y+H(x)]‘]]

12.176

\(393\)

11982

\begin{align*} y^{\prime }&=\frac {x \left (-2 x -2+3 x^{2} \sqrt {x^{2}+3 y}\right )}{3 x +3} \\ \end{align*}

[[_1st_order, ‘_with_symmetry_[F(x),G(x)]‘]]

21.216

\(394\)

11989

\begin{align*} y^{\prime }&=-\frac {\left (-\ln \left (y-1\right )+\ln \left (1+y\right )+2 \ln \left (x \right )\right ) x \left (1+y\right )^{2}}{8} \\ \end{align*}

[‘y=_G(x,y’)‘]

48.864

\(395\)

11990

\begin{align*} y^{\prime }&=\frac {\left (-\ln \left (y-1\right )+\ln \left (1+y\right )+2 \ln \left (x \right )\right )^{2} x \left (1+y\right )^{2}}{16} \\ \end{align*}

[‘x=_G(y,y’)‘]

57.543

\(396\)

11992

\begin{align*} y^{\prime }&=\frac {2 a x +2 a +x^{3} \sqrt {-y^{2}+4 a x}}{\left (1+x \right ) y} \\ \end{align*}

[‘y=_G(x,y’)‘]

53.760

\(397\)

11993

\begin{align*} y^{\prime }&=-\frac {\left (x \ln \left (y\right )+\ln \left (y\right )-1\right ) y}{1+x} \\ \end{align*}

[[_1st_order, ‘_with_symmetry_[F(x),G(x)*y+H(x)]‘]]

18.617

\(398\)

11994

\begin{align*} y^{\prime }&=\frac {x^{2}+2 x +1+2 x^{3} \sqrt {x^{2}+2 x +1-4 y}}{2 x +2} \\ \end{align*}

[[_1st_order, ‘_with_symmetry_[F(x),G(x)]‘]]

14.441

\(399\)

11997

\begin{align*} y^{\prime }&=\frac {-x^{2}+x +2+2 x^{3} \sqrt {x^{2}+4 y-4 x}}{2 x +2} \\ \end{align*}

[[_1st_order, ‘_with_symmetry_[F(x),G(x)]‘]]

15.227

\(400\)

11998

\begin{align*} y^{\prime }&=\frac {3 x^{4}+3 x^{3}+\sqrt {9 x^{4}-4 y^{3}}}{\left (1+x \right ) y^{2}} \\ \end{align*}

[_rational]

108.700

\(401\)

12002

\begin{align*} y^{\prime }&=\frac {x^{3} \left (3 x +3+\sqrt {9 x^{4}-4 y^{3}}\right )}{\left (1+x \right ) y^{2}} \\ \end{align*}

[‘y=_G(x,y’)‘]

201.241

\(402\)

12012

\begin{align*} y^{\prime }&=\frac {\left (2 y^{{3}/{2}}-3 \,{\mathrm e}^{x}\right )^{3} {\mathrm e}^{x}}{4 \left (2 y^{{3}/{2}}-3 \,{\mathrm e}^{x}+2\right ) \sqrt {y}} \\ \end{align*}

[[_1st_order, ‘_with_symmetry_[F(x),G(y)]‘]]

15.384

\(403\)

12014

\begin{align*} y^{\prime }&=\frac {-x^{2}-x -a x -a +2 x^{3} \sqrt {x^{2}+2 a x +a^{2}+4 y}}{2 x +2} \\ \end{align*}

[[_1st_order, ‘_with_symmetry_[F(x),G(x)]‘]]

16.314

\(404\)

12016

\begin{align*} y^{\prime }&=\frac {\left (-x \ln \left (y\right )-\ln \left (y\right )+x^{3}\right ) y}{1+x} \\ \end{align*}

[[_1st_order, ‘_with_symmetry_[F(x),G(x)*y+H(x)]‘]]

8.374

\(405\)

12024

\begin{align*} y^{\prime }&=-\frac {\cos \left (y\right ) \left (x -\cos \left (y\right )+1\right )}{\left (\sin \left (y\right ) x -1\right ) \left (1+x \right )} \\ \end{align*}

[‘y=_G(x,y’)‘]

69.358

\(406\)

12034

\begin{align*} y^{\prime }&=\frac {\cos \left (y\right ) \left (\cos \left (y\right ) x^{3}-x -1\right )}{\left (\sin \left (y\right ) x -1\right ) \left (1+x \right )} \\ \end{align*}

[‘y=_G(x,y’)‘]

40.633

\(407\)

12035

\begin{align*} y^{\prime }&=\frac {\left (x +1+x^{4} \ln \left (y\right )\right ) y \ln \left (y\right )}{x \left (1+x \right )} \\ \end{align*}

[‘x=_G(y,y’)‘]

9.173

\(408\)

12040

\begin{align*} y^{\prime }&=\frac {\left (2 x +2+x^{3} y\right ) y}{\left (-1+2 x +\ln \left (y\right )\right ) \left (1+x \right )} \\ \end{align*}

[‘x=_G(y,y’)‘]

8.939

\(409\)

12044

\begin{align*} y^{\prime }&=-\frac {\left (x \ln \left (y\right )+\ln \left (y\right )-x \right ) y}{x \left (1+x \right )} \\ \end{align*}

[[_1st_order, ‘_with_symmetry_[F(x),G(x)*y+H(x)]‘]]

29.979

\(410\)

12046

\begin{align*} y^{\prime }&=\frac {\left (-x \ln \left (y\right )-\ln \left (y\right )+x^{4}\right ) y}{x \left (1+x \right )} \\ \end{align*}

[[_1st_order, ‘_with_symmetry_[F(x),G(x)*y+H(x)]‘]]

9.084

\(411\)

12054

\begin{align*} y^{\prime }&=\frac {\left (x +1+x \ln \left (y\right )\right ) \ln \left (y\right ) y}{x \left (1+x \right )} \\ \end{align*}

[‘x=_G(y,y’)‘]

27.480

\(412\)

12084

\begin{align*} y^{\prime }&=-\frac {-\frac {1}{x}-\textit {\_F1} \left (y+\frac {1}{x}\right )}{x} \\ \end{align*}

[[_1st_order, ‘_with_symmetry_[F(x),G(x)]‘]]

5.248

\(413\)

12085

\begin{align*} y^{\prime }&=\frac {\textit {\_F1} \left (y^{2}-2 \ln \left (x \right )\right )}{\sqrt {y^{2}}\, x} \\ \end{align*}

[[_1st_order, ‘_with_symmetry_[F(x),G(y)]‘]]

9.735

\(414\)

12086

\begin{align*} y^{\prime }&=\frac {-x \sin \left (2 y\right )-\sin \left (2 y\right )+\cos \left (2 y\right ) x^{4}+x^{4}}{2 x \left (1+x \right )} \\ \end{align*}

[‘y=_G(x,y’)‘]

11.933

\(415\)

12088

\begin{align*} y^{\prime }&=\frac {-x \sin \left (2 y\right )-\sin \left (2 y\right )+x \cos \left (2 y\right )+x}{2 x \left (1+x \right )} \\ \end{align*}

[‘y=_G(x,y’)‘]

72.722

\(416\)

12089

\begin{align*} y^{\prime }&=-\frac {1}{-x -\textit {\_F1} \left (y-\ln \left (x \right )\right ) y \,{\mathrm e}^{y}} \\ \end{align*}

[NONE]

6.263

\(417\)

12093

\begin{align*} y^{\prime }&=\frac {x^{3} {\mathrm e}^{y}+x^{4}+y \,{\mathrm e}^{y}-{\mathrm e}^{y} \ln \left ({\mathrm e}^{y}+x \right )+x y-\ln \left ({\mathrm e}^{y}+x \right ) x +x}{x^{2}} \\ \end{align*}

[‘y=_G(x,y’)‘]

33.670

\(418\)

12094

\begin{align*} y^{\prime }&=\frac {x^{2}}{2}+\sqrt {x^{3}-6 y}+x^{2} \sqrt {x^{3}-6 y}+x^{3} \sqrt {x^{3}-6 y} \\ \end{align*}

[[_1st_order, ‘_with_symmetry_[F(x),G(x)]‘]]

21.117

\(419\)

12095

\begin{align*} y^{\prime }&=\frac {\left (-\sqrt {a}\, x^{3}+2 \sqrt {a \,x^{4}+8 y}+2 x^{2} \sqrt {a \,x^{4}+8 y}+2 x^{3} \sqrt {a \,x^{4}+8 y}\right ) \sqrt {a}}{2} \\ \end{align*}

[[_1st_order, ‘_with_symmetry_[F(x),G(x)]‘]]

18.908

\(420\)

12099

\begin{align*} y^{\prime }&=\frac {-2 \cos \left (y\right )+x^{3} \cos \left (2 y\right ) \ln \left (x \right )+x^{3} \ln \left (x \right )}{2 \sin \left (y\right ) \ln \left (x \right ) x} \\ \end{align*}

[‘y=_G(x,y’)‘]

11.025

\(421\)

12101

\begin{align*} y^{\prime }&=-\frac {2 x}{3}+\sqrt {x^{2}+3 y}+x^{2} \sqrt {x^{2}+3 y}+x^{3} \sqrt {x^{2}+3 y} \\ \end{align*}

[[_1st_order, ‘_with_symmetry_[F(x),G(x)]‘]]

14.375

\(422\)

12102

\begin{align*} y^{\prime }&=\frac {-2 \cos \left (y\right )+x^{2} \cos \left (2 y\right ) \ln \left (x \right )+x^{2} \ln \left (x \right )}{2 \sin \left (y\right ) \ln \left (x \right ) x} \\ \end{align*}

[‘y=_G(x,y’)‘]

10.973

\(423\)

12108

\begin{align*} y^{\prime }&=\frac {\left (3 x y^{2}+x +3 y^{2}\right ) y}{\left (x +6 y^{2}\right ) x \left (1+x \right )} \\ \end{align*}

[_rational, [_1st_order, ‘_with_symmetry_[F(x),G(x)*y+H(x)]‘]]

17.595

\(424\)

12111

\begin{align*} y^{\prime }&=\frac {1+2 \sqrt {4 x^{2} y+1}\, x^{3}+2 x^{5} \sqrt {4 x^{2} y+1}+2 x^{6} \sqrt {4 x^{2} y+1}}{2 x^{3}} \\ \end{align*}

[[_1st_order, ‘_with_symmetry_[F(x),G(x)*y+H(x)]‘]]

13.617

\(425\)

12113

\begin{align*} y^{\prime }&=\frac {2 a +\sqrt {-y^{2}+4 a x}+x^{2} \sqrt {-y^{2}+4 a x}+x^{3} \sqrt {-y^{2}+4 a x}}{y} \\ \end{align*}

[‘y=_G(x,y’)‘]

38.025

\(426\)

12116

\begin{align*} y^{\prime }&=\frac {\left (x^{4}+3 x y^{2}+3 y^{2}\right ) y}{\left (x +6 y^{2}\right ) x \left (1+x \right )} \\ \end{align*}

[_rational, [_1st_order, ‘_with_symmetry_[F(x),G(x)*y+H(x)]‘]]

7.476

\(427\)

12126

\begin{align*} y^{\prime }&=\frac {3 x^{3}+\sqrt {-9 x^{4}+4 y^{3}}+x^{2} \sqrt {-9 x^{4}+4 y^{3}}+x^{3} \sqrt {-9 x^{4}+4 y^{3}}}{y^{2}} \\ \end{align*}

[NONE]

46.744

\(428\)

12127

\begin{align*} y^{\prime }&=\frac {1}{-x +\left (\frac {1}{y}+1\right ) x +\textit {\_F1} \left (\left (\frac {1}{y}+1\right ) x \right ) x^{2}-\textit {\_F1} \left (\left (\frac {1}{y}+1\right ) x \right ) x^{2} \left (\frac {1}{y}+1\right )} \\ \end{align*}

[NONE]

5.873

\(429\)

12128

\begin{align*} y^{\prime }&=\frac {x}{2}+\frac {1}{2}+\sqrt {x^{2}+2 x +1-4 y}+x^{2} \sqrt {x^{2}+2 x +1-4 y}+x^{3} \sqrt {x^{2}+2 x +1-4 y} \\ \end{align*}

[[_1st_order, ‘_with_symmetry_[F(x),G(x)]‘]]

14.630

\(430\)

12129

\begin{align*} y^{\prime }&=\frac {\cosh \left (x \right )}{\sinh \left (x \right )}+\textit {\_F1} \left (y-\ln \left (\sinh \left (x \right )\right )\right ) \\ \end{align*}

[[_1st_order, ‘_with_symmetry_[F(x),G(y)]‘]]

8.234

\(431\)

12130

\begin{align*} y^{\prime }&=-\frac {x}{2}+1+\sqrt {x^{2}+4 y-4 x}+x^{2} \sqrt {x^{2}+4 y-4 x}+x^{3} \sqrt {x^{2}+4 y-4 x} \\ \end{align*}

[[_1st_order, ‘_with_symmetry_[F(x),G(x)]‘]]

16.194

\(432\)

12131

\begin{align*} y^{\prime }&=\frac {1}{\sin \left (x \right )}+\textit {\_F1} \left (y-\ln \left (\sin \left (x \right )\right )+\ln \left (\cos \left (x \right )+1\right )\right ) \\ \end{align*}

[[_1st_order, ‘_with_symmetry_[F(x),G(y)]‘]]

11.066

\(433\)

12135

\begin{align*} y^{\prime }&=\frac {y \left (\ln \left (x \right )+\ln \left (y\right )-1+x^{2} \ln \left (x \right )^{2}+2 x^{2} \ln \left (y\right ) \ln \left (x \right )+x^{2} \ln \left (y\right )^{2}\right )}{x} \\ \end{align*}

[NONE]

11.990

\(434\)

12136

\begin{align*} y^{\prime }&=\frac {y \left (\ln \left (y\right )-1+\ln \left (x \right )+x^{3} \ln \left (x \right )^{2}+2 x^{3} \ln \left (y\right ) \ln \left (x \right )+x^{3} \ln \left (y\right )^{2}\right )}{x} \\ \end{align*}

[NONE]

10.889

\(435\)

12137

\begin{align*} y^{\prime }&=-\frac {\left (-\frac {1}{x}-\textit {\_F1} \left (y^{2}-2 x \right )\right ) x}{\sqrt {y^{2}}} \\ \end{align*}

[NONE]

7.528

\(436\)

12138

\begin{align*} y^{\prime }&=-\frac {x}{4}+\frac {1}{4}+\sqrt {x^{2}-2 x +1+8 y}+x^{2} \sqrt {x^{2}-2 x +1+8 y}+x^{3} \sqrt {x^{2}-2 x +1+8 y} \\ \end{align*}

[[_1st_order, ‘_with_symmetry_[F(x),G(x)]‘]]

14.558

\(437\)

12140

\begin{align*} y^{\prime }&=-\frac {-x -\textit {\_F1} \left (y^{2}-2 x \right )}{\sqrt {y^{2}}\, x} \\ \end{align*}

[NONE]

7.535

\(438\)

12142

\begin{align*} y^{\prime }&=-\frac {\left (-\frac {y \,{\mathrm e}^{\frac {1}{x}}}{x}-\textit {\_F1} \left (y \,{\mathrm e}^{\frac {1}{x}}\right )\right ) {\mathrm e}^{-\frac {1}{x}}}{x} \\ \end{align*}

[[_1st_order, ‘_with_symmetry_[F(x),G(x)*y+H(x)]‘]]

6.522

\(439\)

12145

\begin{align*} y^{\prime }&=\left (\frac {\ln \left (y-1\right ) y}{\left (1-y\right ) \ln \left (x \right ) x}-\frac {\ln \left (y-1\right )}{\left (1-y\right ) \ln \left (x \right ) x}-f \left (x \right )\right ) \left (1-y\right ) \\ \end{align*}

[[_1st_order, ‘_with_symmetry_[F(x),G(x)*y+H(x)]‘]]

10.357

\(440\)

12146

\begin{align*} y^{\prime }&=-\frac {x}{2}-\frac {a}{2}+\sqrt {x^{2}+2 a x +a^{2}+4 y}+x^{2} \sqrt {x^{2}+2 a x +a^{2}+4 y}+x^{3} \sqrt {x^{2}+2 a x +a^{2}+4 y} \\ \end{align*}

[[_1st_order, ‘_with_symmetry_[F(x),G(x)]‘]]

18.315

\(441\)

12150

\begin{align*} y^{\prime }&=\frac {\left ({\mathrm e}^{-\frac {y}{x}} y+x \,{\mathrm e}^{-\frac {y}{x}}+x +x^{3}+x^{4}\right ) {\mathrm e}^{\frac {y}{x}}}{x} \\ \end{align*}

[[_1st_order, ‘_with_symmetry_[F(x),G(x)*y+H(x)]‘]]

8.493

\(442\)

12169

\begin{align*} y^{\prime }&=-\frac {\left (-8-8 y^{3}+24 y^{{3}/{2}} {\mathrm e}^{x}-18 \,{\mathrm e}^{2 x}-8 y^{{9}/{2}}+36 y^{3} {\mathrm e}^{x}-54 y^{{3}/{2}} {\mathrm e}^{2 x}+27 \,{\mathrm e}^{3 x}\right ) {\mathrm e}^{x}}{8 \sqrt {y}} \\ \end{align*}

[[_1st_order, ‘_with_symmetry_[F(x),G(y)]‘]]

37.335

\(443\)

12196

\begin{align*} y^{\prime }&=\frac {y \left (x \ln \left (y\right )+\ln \left (y\right )-x -1+x \ln \left (x \right )+\ln \left (x \right )+x^{4} \ln \left (x \right )^{2}+2 x^{4} \ln \left (y\right ) \ln \left (x \right )+x^{4} \ln \left (y\right )^{2}\right )}{x \left (1+x \right )} \\ \end{align*}

[NONE]

12.510

\(444\)

12197

\begin{align*} y^{\prime }&=\frac {y \left (x \ln \left (x \right )+\ln \left (x \right )+x \ln \left (y\right )+\ln \left (y\right )-x -1+x \ln \left (x \right )^{2}+2 x \ln \left (y\right ) \ln \left (x \right )+x \ln \left (y\right )^{2}\right )}{x \left (1+x \right )} \\ \end{align*}

[NONE]

13.934

\(445\)

12208

\begin{align*} y^{\prime }&=\frac {\left ({\mathrm e}^{-\frac {y}{x}} y x +{\mathrm e}^{-\frac {y}{x}} y+{\mathrm e}^{-\frac {y}{x}} x^{2}+x \,{\mathrm e}^{-\frac {y}{x}}+x \right ) {\mathrm e}^{\frac {y}{x}}}{x \left (1+x \right )} \\ \end{align*}

[[_1st_order, ‘_with_symmetry_[F(x),G(x)*y+H(x)]‘]]

10.092

\(446\)

12210

\begin{align*} y^{\prime }&=\frac {\left ({\mathrm e}^{-\frac {y}{x}} y x +{\mathrm e}^{-\frac {y}{x}} y+{\mathrm e}^{-\frac {y}{x}} x^{2}+x \,{\mathrm e}^{-\frac {y}{x}}+x^{4}\right ) {\mathrm e}^{\frac {y}{x}}}{x \left (1+x \right )} \\ \end{align*}

[[_1st_order, ‘_with_symmetry_[F(x),G(x)*y+H(x)]‘]]

8.689

\(447\)

12233

\begin{align*} y^{\prime }&=\frac {y \left (\ln \left (x \right )+\ln \left (y\right )-1+x \ln \left (x \right )^{2}+2 x \ln \left (y\right ) \ln \left (x \right )+x \ln \left (y\right )^{2}+x^{3} \ln \left (x \right )^{2}+2 x^{3} \ln \left (y\right ) \ln \left (x \right )+x^{3} \ln \left (y\right )^{2}+x^{4} \ln \left (x \right )^{2}+2 x^{4} \ln \left (y\right ) \ln \left (x \right )+x^{4} \ln \left (y\right )^{2}\right )}{x} \\ \end{align*}

[NONE]

12.086

\(448\)

12236

\begin{align*} y^{\prime }&=\frac {y \left (-1-x^{\frac {2}{1+\ln \left (x \right )}} {\mathrm e}^{\frac {2 \ln \left (x \right )^{2}}{1+\ln \left (x \right )}} x^{2}-x^{\frac {2}{1+\ln \left (x \right )}} {\mathrm e}^{\frac {2 \ln \left (x \right )^{2}}{1+\ln \left (x \right )}} x^{2} \ln \left (x \right )+x^{\frac {2}{1+\ln \left (x \right )}} {\mathrm e}^{\frac {2 \ln \left (x \right )^{2}}{1+\ln \left (x \right )}} x^{2} y+2 x^{\frac {2}{1+\ln \left (x \right )}} {\mathrm e}^{\frac {2 \ln \left (x \right )^{2}}{1+\ln \left (x \right )}} x^{2} y \ln \left (x \right )+x^{\frac {2}{1+\ln \left (x \right )}} {\mathrm e}^{\frac {2 \ln \left (x \right )^{2}}{1+\ln \left (x \right )}} x^{2} y \ln \left (x \right )^{2}\right )}{\left (1+\ln \left (x \right )\right ) x} \\ \end{align*}

[_Bernoulli]

24.256

\(449\)

12237

\begin{align*} y^{\prime }&=\frac {y \left (-1-x^{3} x^{\frac {2}{1+\ln \left (x \right )}} {\mathrm e}^{\frac {2 \ln \left (x \right )^{2}}{1+\ln \left (x \right )}}-x^{3} x^{\frac {2}{1+\ln \left (x \right )}} {\mathrm e}^{\frac {2 \ln \left (x \right )^{2}}{1+\ln \left (x \right )}} \ln \left (x \right )+x^{3} x^{\frac {2}{1+\ln \left (x \right )}} {\mathrm e}^{\frac {2 \ln \left (x \right )^{2}}{1+\ln \left (x \right )}} y+2 x^{3} x^{\frac {2}{1+\ln \left (x \right )}} {\mathrm e}^{\frac {2 \ln \left (x \right )^{2}}{1+\ln \left (x \right )}} y \ln \left (x \right )+x^{3} x^{\frac {2}{1+\ln \left (x \right )}} {\mathrm e}^{\frac {2 \ln \left (x \right )^{2}}{1+\ln \left (x \right )}} y \ln \left (x \right )^{2}\right )}{\left (1+\ln \left (x \right )\right ) x} \\ \end{align*}

[_Bernoulli]

22.499

\(450\)

12264

\begin{align*} y^{\prime }&=\frac {y \left (x^{2} y^{2}+y x \,{\mathrm e}^{x}+{\mathrm e}^{2 x}\right ) {\mathrm e}^{-2 x} \left (-1+x \right )}{x} \\ \end{align*}

[[_1st_order, ‘_with_symmetry_[F(x),G(y)]‘], _Abel]

19.623

\(451\)

12292

\begin{align*} y^{\prime \prime }-\left (x^{2}+a \right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

2.649

\(452\)

12296

\begin{align*} y^{\prime \prime }+\left (a \,x^{2 c}+b \,x^{c -1}\right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

2.662

\(453\)

12300

\begin{align*} y^{\prime \prime }+\left (a \,{\mathrm e}^{2 x}+b \,{\mathrm e}^{x}+c \right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

2.232

\(454\)

12301

\begin{align*} y^{\prime \prime }+\left (a \cosh \left (x \right )^{2}+b \right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

6.262

\(455\)

12302

\begin{align*} y^{\prime \prime }+\left (a \cos \left (2 x \right )+b \right ) y&=0 \\ \end{align*}

[_ellipsoidal]

3.129

\(456\)

12303

\begin{align*} y^{\prime \prime }+\left (\cos \left (x \right )^{2} a +b \right ) y&=0 \\ \end{align*}

[_ellipsoidal]

3.317

\(457\)

12305

\begin{align*} y^{\prime \prime }-\left (\frac {m \left (m -1\right )}{\cos \left (x \right )^{2}}+\frac {n \left (n -1\right )}{\sin \left (x \right )^{2}}+a \right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

7.996

\(458\)

12306

\begin{align*} y^{\prime \prime }-\left (n \left (n +1\right ) k^{2} \operatorname {JacobiSN}\left (x , k\right )^{2}+b \right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

2.031

\(459\)

12307

\begin{align*} y^{\prime \prime }-\left (f \left (x \right )^{2}+f^{\prime }\left (x \right )\right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

2.907

\(460\)

12312

\begin{align*} y^{\prime \prime }+a y^{\prime }-\left (b^{2} x^{2}+c \right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

4.773

\(461\)

12316

\begin{align*} y^{\prime \prime }+x y^{\prime }+\left (n +1\right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

5.467

\(462\)

12317

\begin{align*} y^{\prime \prime }+x y^{\prime }-n y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

3.662

\(463\)

12319

\begin{align*} -a y-x y^{\prime }+y^{\prime \prime }&=0 \\ \end{align*}

[_Hermite]

3.656

\(464\)

12321

\begin{align*} y^{\prime \prime }-2 x y^{\prime }+a y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

3.852

\(465\)

12323

\begin{align*} y^{\prime \prime }-4 x y^{\prime }+\left (3 x^{2}+2 n -1\right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

5.600

\(466\)

12327

\begin{align*} b y+a x y^{\prime }+y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

4.052

\(467\)

12329

\begin{align*} y^{\prime \prime }+\left (a x +b \right ) y^{\prime }+\left (c x +d \right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

6.216

\(468\)

12330

\begin{align*} y^{\prime \prime }+\left (a x +b \right ) y^{\prime }+\left (\operatorname {a1} \,x^{2}+\operatorname {b1} x +\operatorname {c1} \right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

6.561

\(469\)

12335

\begin{align*} y^{\prime \prime }+a \,x^{-1+q} y^{\prime }+b \,x^{q -2} y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

6.296

\(470\)

12340

\begin{align*} y^{\prime \prime }+2 n y^{\prime } \cot \left (x \right )+\left (-a^{2}+n^{2}\right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

6.444

\(471\)

12343

\begin{align*} y^{\prime \prime }+\cot \left (x \right ) y^{\prime }+v \left (v +1\right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

4.872

\(472\)

12345

\begin{align*} b y+a \tan \left (x \right ) y^{\prime }+y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

4.503

\(473\)

12349

\begin{align*} y^{\prime \prime }-\left (\frac {f^{\prime }\left (x \right )}{f \left (x \right )}+2 a \right ) y^{\prime }+\left (\frac {a f^{\prime }\left (x \right )}{f \left (x \right )}+a^{2}-b^{2} f \left (x \right )^{2}\right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

8.649

\(474\)

12350

\begin{align*} y^{\prime \prime }-\left (\frac {2 f^{\prime }\left (x \right )}{f \left (x \right )}+\frac {g^{\prime \prime }\left (x \right )}{g^{\prime }\left (x \right )}-\frac {g^{\prime }\left (x \right )}{g \left (x \right )}\right ) y^{\prime }+\left (\frac {f^{\prime }\left (x \right ) \left (\frac {2 f^{\prime }\left (x \right )}{f \left (x \right )}+\frac {g^{\prime \prime }\left (x \right )}{g^{\prime }\left (x \right )}-\frac {g^{\prime }\left (x \right )}{g \left (x \right )}\right )}{f \left (x \right )}-\frac {f^{\prime \prime }\left (x \right )}{f \left (x \right )}-\frac {v^{2} {g^{\prime }\left (x \right )}^{2}}{g \left (x \right )^{2}}+{g^{\prime }\left (x \right )}^{2}\right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

5.531

\(475\)

12351

\begin{align*} y^{\prime \prime }-\left (\frac {g^{\prime \prime }\left (x \right )}{g^{\prime }\left (x \right )}+\frac {\left (2 v -1\right ) g^{\prime }\left (x \right )}{g \left (x \right )}+\frac {2 h^{\prime }\left (x \right )}{h \left (x \right )}\right ) y^{\prime }+\left (\frac {h^{\prime }\left (x \right ) \left (\frac {g^{\prime \prime }\left (x \right )}{g^{\prime }\left (x \right )}+\frac {\left (2 v -1\right ) g^{\prime }\left (x \right )}{g \left (x \right )}+\frac {2 h^{\prime }\left (x \right )}{h \left (x \right )}\right )}{h \left (x \right )}-\frac {h^{\prime \prime }\left (x \right )}{h \left (x \right )}+{g^{\prime }\left (x \right )}^{2}\right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

5.561

\(476\)

12353

\begin{align*} 4 y^{\prime \prime }-\left (x^{2}+a \right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

2.616

\(477\)

12355

\begin{align*} a y^{\prime \prime }-\left (a b +c +x \right ) y^{\prime }+\left (b \left (x +c \right )+d \right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

7.803

\(478\)

12358

\begin{align*} \left (x +a \right ) y+x y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

2.363

\(479\)

12362

\begin{align*} x y^{\prime \prime }+y^{\prime }+\left (x +a \right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

5.296

\(480\)

12365

\begin{align*} x y^{\prime \prime }-y^{\prime }+x^{3} \left ({\mathrm e}^{x^{2}}-v^{2}\right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

6.463

\(481\)

12373

\begin{align*} x y^{\prime \prime }+\left (x +b \right ) y^{\prime }+a y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

6.598

\(482\)

12374

\begin{align*} x y^{\prime \prime }+\left (x +a +b \right ) y^{\prime }+a y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

6.469

\(483\)

12376

\begin{align*} x y^{\prime \prime }-x y^{\prime }-a y&=0 \\ \end{align*}

[_Laguerre]

4.347

\(484\)

12379

\begin{align*} x y^{\prime \prime }+\left (-x +b \right ) y^{\prime }-a y&=0 \\ \end{align*}

[_Laguerre]

5.968

\(485\)

12380

\begin{align*} x y^{\prime \prime }-2 \left (-1+x \right ) y^{\prime }-y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

5.623

\(486\)

12381

\begin{align*} x y^{\prime \prime }-\left (3 x -2\right ) y^{\prime }-\left (2 x -3\right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

6.067

\(487\)

12382

\begin{align*} x y^{\prime \prime }+\left (a x +b +n \right ) y^{\prime }+n a y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

7.186

\(488\)

12383

\begin{align*} x y^{\prime \prime }-\left (a +b \right ) \left (1+x \right ) y^{\prime }+a b x y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

7.974

\(489\)

12384

\begin{align*} \left (a b x +a n +b m \right ) y+\left (m +n +x \left (a +b \right )\right ) y^{\prime }+x y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

8.051

\(490\)

12386

\begin{align*} x y^{\prime \prime }+\left (a x +b \right ) y^{\prime }+\left (c x +d \right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

7.543

\(491\)

12390

\begin{align*} x y^{\prime \prime }-2 \left (x^{2}-a \right ) y^{\prime }+2 n x y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

14.974

\(492\)

12397

\begin{align*} 2 x y^{\prime \prime }-\left (-1+x \right ) y^{\prime }+a y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

5.777

\(493\)

12398

\begin{align*} 2 x y^{\prime \prime }-\left (2 x -1\right ) y^{\prime }+a y&=0 \\ \end{align*}

[_Laguerre]

5.512

\(494\)

12400

\begin{align*} 4 x y^{\prime \prime }-\left (x +a \right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

2.511

\(495\)

12403

\begin{align*} 4 x y^{\prime \prime }+4 y-\left (x +2\right ) y+l y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

22.582

\(496\)

12404

\begin{align*} 4 x y^{\prime \prime }+4 m y^{\prime }-\left (x -2 m -4 n \right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

6.867

\(497\)

12405

\begin{align*} 16 x y^{\prime \prime }+8 y^{\prime }-\left (x +a \right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

5.102

\(498\)

12408

\begin{align*} 5 \left (a x +b \right ) y^{\prime \prime }+8 a y^{\prime }+c \left (a x +b \right )^{{1}/{5}} y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

23.292

\(499\)

12409

\begin{align*} 2 a x y^{\prime \prime }+\left (b x +a \right ) y^{\prime }+c y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

28.993

\(500\)

12410

\begin{align*} 2 a x y^{\prime \prime }+\left (b x +3 a \right ) y^{\prime }+c y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

29.396

\(501\)

12411

\begin{align*} \left (\operatorname {a2} x +\operatorname {b2} \right ) y^{\prime \prime }+\left (\operatorname {a1} x +\operatorname {b1} \right ) y^{\prime }+\left (\operatorname {a0} x +\operatorname {b0} \right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

22.843

\(502\)

12420

\begin{align*} x^{2} y^{\prime \prime }+\left (a \,x^{2}+b x +c \right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

3.633

\(503\)

12422

\begin{align*} x^{2} y^{\prime \prime }+\frac {y}{\ln \left (x \right )}-x \,{\mathrm e}^{x} \left (2+x \ln \left (x \right )\right )&=0 \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

2.851

\(504\)

12437

\begin{align*} x^{2} y^{\prime \prime }+2 x y^{\prime }+\left (l \,x^{2}+a x -n \left (n +1\right )\right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

32.773

\(505\)

12438

\begin{align*} x^{2} y^{\prime \prime }+2 \left (-1+x \right ) y^{\prime }+a y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

5.667

\(506\)

12439

\begin{align*} x^{2} y^{\prime \prime }+2 \left (x +a \right ) y^{\prime }-b \left (b -1\right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

13.778

\(507\)

12454

\begin{align*} x^{2} y^{\prime \prime }+\left (a x +b \right ) y^{\prime }+c y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

13.864

\(508\)

12456

\begin{align*} x^{2} y^{\prime \prime }+x^{2} y^{\prime }+\left (a x +b \right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

5.126

\(509\)

12461

\begin{align*} -y+x \left (x +3\right ) y^{\prime }+x^{2} y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

6.617

\(510\)

12463

\begin{align*} x^{2} y^{\prime \prime }-\left (x^{2}-2 x \right ) y^{\prime }-\left (x +a \right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

15.609

\(511\)

12466

\begin{align*} x^{2} y^{\prime \prime }+2 x^{2} y^{\prime }-v \left (v -1\right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

5.831

\(512\)

12472

\begin{align*} x^{2} y^{\prime \prime }+\left (2 a x +b \right ) x y^{\prime }+\left (a b x +c \,x^{2}+d \right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

18.306

\(513\)

12473

\begin{align*} x^{2} y^{\prime \prime }+\left (a x +b \right ) y^{\prime } x +\left (\operatorname {a1} \,x^{2}+\operatorname {b1} x +\operatorname {c1} \right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

18.124

\(514\)

12476

\begin{align*} x^{2} y^{\prime \prime }-2 x \left (x^{2}-a \right ) y^{\prime }+\left (2 n \,x^{2}+\left (\left (-1\right )^{n}-1\right ) a \right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

19.811

\(515\)

12479

\begin{align*} x^{2} y^{\prime \prime }+\left (x^{3}+1\right ) x y^{\prime }-y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

19.970

\(516\)

12480

\begin{align*} x^{2} y^{\prime \prime }+\left (-x^{4}+\left (2 n +2 a +1\right ) x^{2}+\left (-1\right )^{n} a -a^{2}\right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

5.019

\(517\)

12481

\begin{align*} x^{2} y^{\prime \prime }+\left (a \,x^{n}+b \right ) y^{\prime } x +\left (\operatorname {a1} \,x^{2 n}+\operatorname {b1} \,x^{n}+\operatorname {c1} \right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

16.703

\(518\)

12482

\begin{align*} x^{2} y^{\prime \prime }-\left (2 \tan \left (x \right ) x^{2}-x \right ) y^{\prime }-\left (a +x \tan \left (x \right )\right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

9.525

\(519\)

12483

\begin{align*} x^{2} y^{\prime \prime }+\left (2 x^{2} \cot \left (x \right )+x \right ) y^{\prime }+\left (x \cot \left (x \right )+a \right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

8.904

\(520\)

12484

\begin{align*} x^{2} y^{\prime \prime }+2 x f \left (x \right ) y^{\prime }+\left (f^{\prime }\left (x \right ) x +f \left (x \right )^{2}-f \left (x \right )+a \,x^{2}+b x +c \right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

16.146

\(521\)

12485

\begin{align*} x^{2} y^{\prime \prime }+2 x^{2} f \left (x \right ) y^{\prime }+\left (x^{2} \left (f^{\prime }\left (x \right )+f \left (x \right )^{2}+a \right )-v \left (v -1\right )\right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

12.914

\(522\)

12486

\begin{align*} x^{2} y^{\prime \prime }+\left (x -2 x^{2} f \left (x \right )\right ) y^{\prime }+\left (x^{2} \left (1+f \left (x \right )^{2}-f^{\prime }\left (x \right )\right )-f \left (x \right ) x -v^{2}\right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

19.763

\(523\)

12491

\begin{align*} \left (x^{2}+1\right ) y^{\prime \prime }+2 x y^{\prime }-v \left (v -1\right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

12.727

\(524\)

12496

\begin{align*} \left (x^{2}-1\right ) y^{\prime \prime }-v \left (v +1\right ) y&=0 \\ \end{align*}

[_Gegenbauer]

4.404

\(525\)

12497

\begin{align*} \left (x^{2}-1\right ) y^{\prime \prime }-n \left (n +1\right ) y+\frac {\left (n +1\right ) \operatorname {LegendreP}\left (n +1, x\right )-\left (n +1\right ) x \operatorname {LegendreP}\left (n , x\right )}{x^{2}-1}&=0 \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

5.457

\(526\)

12503

\begin{align*} \left (x^{2}-1\right ) y^{\prime \prime }+2 x y^{\prime }-l y&=0 \\ \end{align*}

[_Gegenbauer]

54.529

\(527\)

12504

\begin{align*} \left (x^{2}-1\right ) y^{\prime \prime }+2 x y^{\prime }-v \left (v +1\right ) y&=0 \\ \end{align*}

[_Gegenbauer]

74.668

\(528\)

12505

\begin{align*} \left (x^{2}-1\right ) y^{\prime \prime }-2 x y^{\prime }-\left (v +2\right ) \left (v -1\right ) y&=0 \\ \end{align*}

[_Gegenbauer]

734.075

\(529\)

12508

\begin{align*} \left (x^{2}-1\right ) y^{\prime \prime }+2 \left (n +1\right ) x y^{\prime }-\left (v +n +1\right ) \left (v -n \right ) y&=0 \\ \end{align*}

[_Gegenbauer]

61.408

\(530\)

12509

\begin{align*} \left (x^{2}-1\right ) y^{\prime \prime }-2 \left (n -1\right ) x y^{\prime }-\left (v -n +1\right ) \left (v +n \right ) y&=0 \\ \end{align*}

[_Gegenbauer]

59.783

\(531\)

12510

\begin{align*} \left (x^{2}-1\right ) y^{\prime \prime }-2 \left (v -1\right ) x y^{\prime }-2 v y&=0 \\ \end{align*}

[[_2nd_order, _exact, _linear, _homogeneous]]

0.067

\(532\)

12512

\begin{align*} \left (x^{2}-1\right ) y^{\prime \prime }+a x y^{\prime }+\left (b \,x^{2}+c x +d \right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

49.334

\(533\)

12513

\begin{align*} \left (x^{2}-1\right ) y^{\prime \prime }+\left (a x +b \right ) y^{\prime }+c y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

126.520

\(534\)

12516

\begin{align*} x \left (1+x \right ) y^{\prime \prime }+\left (a x +b \right ) y^{\prime }+c y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

82.253

\(535\)

12520

\begin{align*} x \left (-1+x \right ) y^{\prime \prime }+\left (2 x -1\right ) y^{\prime }-v \left (v +1\right ) y&=0 \\ \end{align*}

[_Jacobi]

59.821

\(536\)

12522

\begin{align*} x \left (-1+x \right ) y^{\prime \prime }+\left (a x +b \right ) y^{\prime }+c y&=0 \\ \end{align*}

[_Jacobi]

81.841

\(537\)

12523

\begin{align*} x \left (-1+x \right ) y^{\prime \prime }+\left (\left (a +1\right ) x +b \right ) y^{\prime }-l y&=0 \\ \end{align*}

[_Jacobi]

97.644

\(538\)

12525

\begin{align*} x \left (x +2\right ) y^{\prime \prime }+2 \left (n +1+\left (n +1-2 l \right ) x -l \,x^{2}\right ) y^{\prime }+\left (2 l \left (p -n -1\right ) x +2 p l +m \right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

141.239

\(539\)

12529

\begin{align*} \left (-1+x \right ) \left (x -2\right ) y^{\prime \prime }-\left (2 x -3\right ) y^{\prime }+y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

338.676

\(540\)

12532

\begin{align*} 2 x \left (-1+x \right ) y^{\prime \prime }+\left (2 x -1\right ) y^{\prime }+\left (a x +b \right ) y&=0 \\ \end{align*}

[_Jacobi]

29.731

\(541\)

12533

\begin{align*} 2 x \left (-1+x \right ) y^{\prime \prime }+\left (\left (2 v +5\right ) x -2 v -3\right ) y^{\prime }+\left (v +1\right ) y&=0 \\ \end{align*}

[_Jacobi]

72.467

\(542\)

12537

\begin{align*} 4 x^{2} y^{\prime \prime }-\left (-4 k x +4 m^{2}+x^{2}-1\right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

3.973

\(543\)

12539

\begin{align*} 4 x^{2} y^{\prime \prime }+4 x y^{\prime }+\left (-x^{2}+2 \left (1-m +2 l \right ) x -m^{2}+1\right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

31.246

\(544\)

12549

\begin{align*} x \left (4 x -1\right ) y^{\prime \prime }+\left (\left (4 a +2\right ) x -a \right ) y^{\prime }+a \left (a -1\right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

67.752

\(545\)

12555

\begin{align*} 48 x \left (-1+x \right ) y^{\prime \prime }+\left (152 x -40\right ) y^{\prime }+53 y&=0 \\ \end{align*}

[_Jacobi]

59.324

\(546\)

12557

\begin{align*} 144 x \left (-1+x \right ) y^{\prime \prime }+\left (120 x -48\right ) y^{\prime }+y&=0 \\ \end{align*}

[_Jacobi]

59.616

\(547\)

12558

\begin{align*} 144 x \left (-1+x \right ) y^{\prime \prime }+\left (168 x -96\right ) y^{\prime }+y&=0 \\ \end{align*}

[_Jacobi]

59.544

\(548\)

12559

\begin{align*} a \,x^{2} y^{\prime \prime }+b x y^{\prime }+\left (c \,x^{2}+d x +f \right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

17.158

\(549\)

12560

\begin{align*} \operatorname {a2} \,x^{2} y^{\prime \prime }+\left (\operatorname {a1} \,x^{2}+\operatorname {b1} x \right ) y^{\prime }+\left (\operatorname {a0} \,x^{2}+\operatorname {b0} x +\operatorname {c0} \right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

22.350

\(550\)

12565

\begin{align*} \operatorname {A2} \left (a x +b \right )^{2} y^{\prime \prime }+\operatorname {A1} \left (a x +b \right ) y^{\prime }+\operatorname {A0} \left (a x +b \right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

91.611

\(551\)

12566

\begin{align*} \left (a \,x^{2}+b x +c \right ) y^{\prime \prime }+\left (d x +f \right ) y^{\prime }+g y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

140.289

\(552\)

12568

\begin{align*} -y+2 x y^{\prime }+x^{3} y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

9.620

\(553\)

12572

\begin{align*} x^{3} y^{\prime \prime }-\left (x^{2}-1\right ) y^{\prime }+x y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

42.607

\(554\)

12574

\begin{align*} x \left (x^{2}+1\right ) y^{\prime \prime }+\left (2 x^{2}+1\right ) y^{\prime }-v \left (v +1\right ) x y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

122.951

\(555\)

12576

\begin{align*} x \left (x^{2}+1\right ) y^{\prime \prime }+\left (2 \left (n +1\right ) x^{2}+2 n +1\right ) y^{\prime }-\left (v -n \right ) \left (v +n +1\right ) x y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

149.907

\(556\)

12577

\begin{align*} x \left (x^{2}+1\right ) y^{\prime \prime }-\left (2 \left (n -1\right ) x^{2}+2 n -1\right ) y^{\prime }+\left (v +n \right ) \left (-v +n -1\right ) x y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

144.719

\(557\)

12579

\begin{align*} x \left (x^{2}-1\right ) y^{\prime \prime }+\left (x^{2}-1\right ) y^{\prime }-x y&=0 \\ \end{align*}

[[_elliptic, _class_II]]

207.442

\(558\)

12580

\begin{align*} x \left (x^{2}-1\right ) y^{\prime \prime }+\left (3 x^{2}-1\right ) y^{\prime }+x y&=0 \\ \end{align*}

[[_elliptic, _class_I]]

81.352

\(559\)

12581

\begin{align*} x \left (x^{2}-1\right ) y^{\prime \prime }+\left (a \,x^{2}+b \right ) y^{\prime }+c x y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

128.825

\(560\)

12588

\begin{align*} y^{\prime \prime }&=-\frac {\left (\left (a +b +1\right ) x +\alpha +\beta -1\right ) y^{\prime }}{x \left (-1+x \right )}-\frac {\left (a b x -\alpha \beta \right ) y}{x^{2} \left (-1+x \right )} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

137.424

\(561\)

12590

\begin{align*} y^{\prime \prime }&=\frac {2 y^{\prime }}{x \left (x -2\right )}-\frac {y}{x^{2} \left (x -2\right )} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

98.834

\(562\)

12592

\begin{align*} y^{\prime \prime }&=-\frac {\left (\left (\alpha +\beta +1\right ) x^{2}-\left (\alpha +\beta +1+a \left (\gamma +\delta \right )-\delta \right ) x +a \gamma \right ) y^{\prime }}{x \left (-1+x \right ) \left (x -a \right )}-\frac {\left (\alpha \beta x -q \right ) y}{x \left (-1+x \right ) \left (x -a \right )} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

352.750

\(563\)

12593

\begin{align*} y^{\prime \prime }&=-\frac {\left (A \,x^{2}+B x +C \right ) y^{\prime }}{\left (x -a \right ) \left (x -b \right ) \left (x -c \right )}-\frac {\left (\operatorname {DD} x +E \right ) y}{\left (x -a \right ) \left (x -b \right ) \left (x -c \right )} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

359.887

\(564\)

12596

\begin{align*} y^{\prime \prime }&=-\frac {\left (3 x -1\right ) y^{\prime }}{2 x \left (-1+x \right )}+\frac {v \left (v +1\right ) y}{4 x^{2}} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

23.710

\(565\)

12597

\begin{align*} y^{\prime \prime }&=-\frac {\left (\left (a +1\right ) x -1\right ) y^{\prime }}{x \left (-1+x \right )}-\frac {\left (\left (a^{2}-b^{2}\right ) x +c^{2}\right ) y}{4 x^{2} \left (-1+x \right )} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

74.473

\(566\)

12598

\begin{align*} y^{\prime \prime }&=-\frac {\left (3 x -1\right ) y^{\prime }}{2 x \left (-1+x \right )}-\frac {\left (a x +b \right ) y}{4 x \left (-1+x \right )^{2}} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

11.742

\(567\)

12602

\begin{align*} y^{\prime \prime }&=-\frac {\left (a \left (b +2\right ) x^{2}+\left (c -d +1\right ) x \right ) y^{\prime }}{\left (a x +1\right ) x^{2}}-\frac {\left (a b x -c d \right ) y}{\left (a x +1\right ) x^{2}} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

179.930

\(568\)

12604

\begin{align*} y^{\prime \prime }&=-\frac {\left (2 a x +b \right ) y^{\prime }}{x \left (a x +b \right )}-\frac {\left (a v x -b \right ) y}{\left (a x +b \right ) x^{2}}+A x \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

140.984

\(569\)

12606

\begin{align*} y^{\prime \prime }&=-\frac {\left (a \left (1-a \right ) x^{2}-b \left (x +b \right )\right ) y}{x^{4}} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

5.195

\(570\)

12607

\begin{align*} y^{\prime \prime }&=-\frac {\left ({\mathrm e}^{\frac {2}{x}}-v^{2}\right ) y}{x^{4}} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

3.304

\(571\)

12611

\begin{align*} y^{\prime \prime }&=-\frac {y^{\prime }}{x}-\frac {\left (b \,x^{2}+a \left (x^{4}+1\right )\right ) y}{x^{4}} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

8.345

\(572\)

12612

\begin{align*} y^{\prime \prime }&=-\frac {\left (x^{2}+1\right ) y^{\prime }}{x^{3}}-\frac {y}{x^{4}} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

20.886

\(573\)

12619

\begin{align*} y^{\prime \prime }&=-\frac {\left (2 x^{2}+1\right ) y^{\prime }}{x \left (x^{2}+1\right )}-\frac {\left (-v \left (v +1\right ) x^{2}-n^{2}\right ) y}{x^{2} \left (x^{2}+1\right )} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

91.457

\(574\)

12620

\begin{align*} y^{\prime \prime }&=-\frac {\left (a \,x^{2}+a -1\right ) y^{\prime }}{x \left (x^{2}+1\right )}-\frac {\left (b \,x^{2}+c \right ) y}{x^{2} \left (x^{2}+1\right )} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

135.832

\(575\)

12622

\begin{align*} y^{\prime \prime }&=-\frac {2 x y^{\prime }}{x^{2}-1}-\frac {v \left (v +1\right ) y}{x^{2} \left (x^{2}-1\right )} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

34.245

\(576\)

12623

\begin{align*} y^{\prime \prime }&=-\frac {2 x y^{\prime }}{x^{2}-1}+\frac {v \left (v +1\right ) y}{x^{2}} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

35.693

\(577\)

12626

\begin{align*} y^{\prime \prime }&=-\frac {\left (a \,x^{2}+a -2\right ) y^{\prime }}{x \left (x^{2}-1\right )}-\frac {b y}{x^{2}} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

136.730

\(578\)

12627

\begin{align*} y^{\prime \prime }&=\frac {\left (2 b c \,x^{c} \left (x^{2}-1\right )+2 \left (a -1\right ) x^{2}-2 a \right ) y^{\prime }}{x \left (x^{2}-1\right )}-\frac {\left (b^{2} c^{2} x^{2 c} \left (x^{2}-1\right )+b c \,x^{c +2} \left (2 a -c -1\right )-b c \,x^{c} \left (2 a -c +1\right )+x^{2} \left (\left (a -1\right ) a -v \left (v +1\right )\right )-a \left (a +1\right )\right ) y}{x^{2} \left (x^{2}-1\right )} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

419.687

\(579\)

12630

\begin{align*} y^{\prime \prime }&=-\frac {2 x y^{\prime }}{x^{2}+1}-\frac {\left (a^{2} \left (x^{2}+1\right )^{2}-n \left (n +1\right ) \left (x^{2}+1\right )+m^{2}\right ) y}{\left (x^{2}+1\right )^{2}} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

114.426

\(580\)

12631

\begin{align*} y^{\prime \prime }&=-\frac {a x y^{\prime }}{x^{2}+1}-\frac {b y}{\left (x^{2}+1\right )^{2}} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

89.500

\(581\)

12634

\begin{align*} y^{\prime \prime }&=-\frac {2 x y^{\prime }}{x^{2}-1}-\frac {\left (-a^{2}-\lambda \left (x^{2}-1\right )\right ) y}{\left (x^{2}-1\right )^{2}} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

69.870

\(582\)

12635

\begin{align*} y^{\prime \prime }&=-\frac {2 x y^{\prime }}{x^{2}-1}-\frac {\left (\left (x^{2}-1\right ) \left (a \,x^{2}+b x +c \right )-k^{2}\right ) y}{\left (x^{2}-1\right )^{2}} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

100.973

\(583\)

12636

\begin{align*} y^{\prime \prime }&=-\frac {2 x y^{\prime }}{x^{2}-1}-\frac {\left (-a^{2} \left (x^{2}-1\right )^{2}-n \left (n +1\right ) \left (x^{2}-1\right )-m^{2}\right ) y}{\left (x^{2}-1\right )^{2}} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

95.356

\(584\)

12637

\begin{align*} y^{\prime \prime }&=\frac {2 x \left (2 a -1\right ) y^{\prime }}{x^{2}-1}-\frac {\left (x^{2} \left (2 a \left (2 a -1\right )-v \left (v +1\right )\right )+2 a +v \left (v +1\right )\right ) y}{\left (x^{2}-1\right )^{2}} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

160.310

\(585\)

12638

\begin{align*} y^{\prime \prime }&=-\frac {2 x \left (n +1-2 a \right ) y^{\prime }}{x^{2}-1}-\frac {\left (4 a \,x^{2} \left (a -n \right )-\left (x^{2}-1\right ) \left (2 a +\left (v -n \right ) \left (v +n +1\right )\right )\right ) y}{\left (x^{2}-1\right )^{2}} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

199.847

\(586\)

12647

\begin{align*} y^{\prime \prime }&=-\frac {\left (-x^{2} \left (a^{2}-1\right )+2 \left (a +3\right ) b x -b^{2}\right ) y}{4 x^{2}} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

4.702

\(587\)

12651

\begin{align*} y^{\prime \prime }&=-\frac {\left (3 x -1\right ) y^{\prime }}{2 x \left (-1+x \right )}-\frac {\left (v \left (v +1\right ) \left (-1+x \right )-a^{2} x \right ) y}{4 x^{2} \left (-1+x \right )^{2}} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

37.179

\(588\)

12652

\begin{align*} y^{\prime \prime }&=-\frac {\left (3 x -1\right ) y^{\prime }}{2 x \left (-1+x \right )}-\frac {\left (-v \left (v +1\right ) \left (-1+x \right )^{2}-4 n^{2} x \right ) y}{4 x^{2} \left (-1+x \right )^{2}} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

39.595

\(589\)

12655

\begin{align*} y^{\prime \prime }&=-\frac {b x y^{\prime }}{\left (x^{2}-1\right ) a}-\frac {\left (c \,x^{2}+d x +e \right ) y}{a \left (x^{2}-1\right )^{2}} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

127.838

\(590\)

12656

\begin{align*} y^{\prime \prime }&=-\frac {\left (b \,x^{2}+c x +d \right ) y}{a \,x^{2} \left (-1+x \right )^{2}} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

7.470

\(591\)

12661

\begin{align*} y^{\prime \prime }&=-\frac {\left (3 x^{2}-1\right ) y^{\prime }}{\left (x^{2}-1\right ) x}-\frac {\left (x^{2}-1-\left (2 v +1\right )^{2}\right ) y}{\left (x^{2}-1\right )^{2}} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

145.472

\(592\)

12666

\begin{align*} y^{\prime \prime }&=-\left (\frac {1-\operatorname {a1} -\operatorname {b1}}{x -\operatorname {c1}}+\frac {1-\operatorname {a2} -\operatorname {b2}}{x -\operatorname {c2}}+\frac {1-\operatorname {a3} -\operatorname {b3}}{x -\operatorname {c3}}\right ) y^{\prime }-\frac {\left (\frac {\operatorname {a1} \operatorname {b1} \left (\operatorname {c1} -\operatorname {c3} \right ) \left (\operatorname {c1} -\operatorname {c2} \right )}{x -\operatorname {c1}}+\frac {\operatorname {a2} \operatorname {b2} \left (\operatorname {c2} -\operatorname {c1} \right ) \left (\operatorname {c2} -\operatorname {c3} \right )}{x -\operatorname {c2}}+\frac {\operatorname {a3} \operatorname {b3} \left (\operatorname {c3} -\operatorname {c2} \right ) \left (\operatorname {c3} -\operatorname {c1} \right )}{x -\operatorname {c3}}\right ) y}{\left (x -\operatorname {c1} \right ) \left (x -\operatorname {c2} \right ) \left (x -\operatorname {c3} \right )} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

1117.693

\(593\)

12670

\begin{align*} y^{\prime \prime }&=-\left (\frac {\left (1-\operatorname {al1} -\operatorname {bl1} \right ) \operatorname {b1}}{\operatorname {b1} x -\operatorname {a1}}+\frac {\left (1-\operatorname {al2} -\operatorname {bl2} \right ) \operatorname {b2}}{\operatorname {b2} x -\operatorname {a2}}+\frac {\left (1-\operatorname {al3} -\operatorname {bl3} \right ) \operatorname {b3}}{\operatorname {b3} x -\operatorname {a3}}\right ) y^{\prime }-\frac {\left (\frac {\operatorname {al1} \operatorname {bl1} \left (\operatorname {a1} \operatorname {b2} -\operatorname {a2} \operatorname {b1} \right ) \left (-\operatorname {a1} \operatorname {b3} +\operatorname {a3} \operatorname {b1} \right )}{\operatorname {b1} x -\operatorname {a1}}+\frac {\operatorname {al2} \operatorname {bl2} \left (\operatorname {a2} \operatorname {b3} -\operatorname {a3} \operatorname {b2} \right ) \left (\operatorname {a1} \operatorname {b2} -\operatorname {a2} \operatorname {b1} \right )}{\operatorname {b2} x -\operatorname {a2}}+\frac {\operatorname {al3} \operatorname {bl3} \left (-\operatorname {a1} \operatorname {b3} +\operatorname {a3} \operatorname {b1} \right ) \left (\operatorname {a2} \operatorname {b3} -\operatorname {a3} \operatorname {b2} \right )}{\operatorname {b3} x -\operatorname {a3}}\right ) y}{\left (\operatorname {b1} x -\operatorname {a1} \right ) \left (\operatorname {b2} x -\operatorname {a2} \right ) \left (\operatorname {b3} x -\operatorname {a3} \right )} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

1248.425

\(594\)

12673

\begin{align*} y^{\prime \prime }&=-\frac {\left (a p \,x^{b}+q \right ) y^{\prime }}{x \left (a \,x^{b}-1\right )}-\frac {\left (a r \,x^{b}+s \right ) y}{x^{2} \left (a \,x^{b}-1\right )} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

34.775

\(595\)

12674

\begin{align*} y^{\prime \prime }&=\frac {y}{1+{\mathrm e}^{x}} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries], [_2nd_order, _linear, ‘_with_symmetry_[0,F(x)]‘]]

2.707

\(596\)

12677

\begin{align*} y^{\prime \prime }&=-\frac {\left (-a^{2} \sinh \left (x \right )^{2}-\left (n -1\right ) n \right ) y}{\sinh \left (x \right )^{2}} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

10.857

\(597\)

12678

\begin{align*} y^{\prime \prime }&=-\frac {2 n \cosh \left (x \right ) y^{\prime }}{\sinh \left (x \right )}-\left (-a^{2}+n^{2}\right ) y \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

22.718

\(598\)

12679

\begin{align*} y^{\prime \prime }&=-\frac {\left (1+2 n \right ) \cos \left (x \right ) y^{\prime }}{\sin \left (x \right )}-\left (v +n +1\right ) \left (v -n \right ) y \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

8.441

\(599\)

12683

\begin{align*} \cos \left (x \right )^{2} y^{\prime \prime }-\left (\cos \left (x \right )^{2} a +\left (n -1\right ) n \right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

5.461

\(600\)

12686

\begin{align*} y^{\prime \prime }&=-\frac {a y}{\sin \left (x \right )^{2}} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

4.227

\(601\)

12687

\begin{align*} \sin \left (x \right )^{2} y^{\prime \prime }-\left (a \sin \left (x \right )^{2}+\left (n -1\right ) n \right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

5.257

\(602\)

12688

\begin{align*} y^{\prime \prime }&=-\frac {\left (-a^{2} \cos \left (x \right )^{2}-\left (3-2 a \right ) \cos \left (x \right )-3+3 a \right ) y}{\sin \left (x \right )^{2}} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

7.433

\(603\)

12689

\begin{align*} \sin \left (x \right )^{2} y^{\prime \prime }-\left (a^{2} \cos \left (x \right )^{2}+\cos \left (x \right ) b +\frac {b^{2}}{\left (2 a -3\right )^{2}}+3 a +2\right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

14.956

\(604\)

12690

\begin{align*} y^{\prime \prime }&=-\frac {\left (-\left (a^{2} b^{2}-\left (a +1\right )^{2}\right ) \sin \left (x \right )^{2}-a \left (a +1\right ) b \sin \left (2 x \right )-\left (a -1\right ) a \right ) y}{\sin \left (x \right )^{2}} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

12.297

\(605\)

12691

\begin{align*} y^{\prime \prime }&=-\frac {\left (\cos \left (x \right )^{2} a +b \sin \left (x \right )^{2}+c \right ) y}{\sin \left (x \right )^{2}} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

7.009

\(606\)

12693

\begin{align*} y^{\prime \prime }&=-\frac {\cos \left (x \right ) y^{\prime }}{\sin \left (x \right )}-\frac {\left (v \left (v +1\right ) \sin \left (x \right )^{2}-n^{2}\right ) y}{\sin \left (x \right )^{2}} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

9.011

\(607\)

12696

\begin{align*} y^{\prime \prime }&=-\frac {\sin \left (x \right ) y^{\prime }}{\cos \left (x \right )}-\frac {\left (2 x^{2}+x^{2} \sin \left (x \right )^{2}-24 \cos \left (x \right )^{2}\right ) y}{4 x^{2} \cos \left (x \right )^{2}}+\sqrt {\cos \left (x \right )} \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

18.519

\(608\)

12697

\begin{align*} y^{\prime \prime }&=-\frac {b \cos \left (x \right ) y^{\prime }}{\sin \left (x \right ) a}-\frac {\left (c \cos \left (x \right )^{2}+d \cos \left (x \right )+e \right ) y}{a \sin \left (x \right )^{2}} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

12.597

\(609\)

12698

\begin{align*} y^{\prime \prime }&=-\frac {4 \sin \left (3 x \right ) y}{\sin \left (x \right )^{3}} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

6.034

\(610\)

12699

\begin{align*} y^{\prime \prime }&=-\frac {\left (4 v \left (v +1\right ) \sin \left (x \right )^{2}-\cos \left (x \right )^{2}+2-4 n^{2}\right ) y}{4 \sin \left (x \right )^{2}} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

7.679

\(611\)

12701

\begin{align*} y^{\prime \prime }&=-\frac {\left (-a \cos \left (x \right )^{2} \sin \left (x \right )^{2}-m \left (m -1\right ) \sin \left (x \right )^{2}-n \left (n -1\right ) \cos \left (x \right )^{2}\right ) y}{\cos \left (x \right )^{2} \sin \left (x \right )^{2}} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

6.631

\(612\)

12704

\begin{align*} y^{\prime \prime }&=-\frac {\left (2 f \left (x \right ) {g^{\prime }\left (x \right )}^{2} g \left (x \right )-\left (g \left (x \right )^{2}-1\right ) \left (f \left (x \right ) g^{\prime \prime }\left (x \right )+2 f^{\prime }\left (x \right ) g^{\prime }\left (x \right )\right )\right ) y^{\prime }}{f \left (x \right ) g^{\prime }\left (x \right ) \left (g \left (x \right )^{2}-1\right )}-\frac {\left (\left (g \left (x \right )^{2}-1\right ) \left (f^{\prime }\left (x \right ) \left (f \left (x \right ) g^{\prime \prime }\left (x \right )+2 f^{\prime }\left (x \right ) g^{\prime }\left (x \right )\right )-f \left (x \right ) f^{\prime \prime }\left (x \right ) g^{\prime }\left (x \right )\right )-\left (2 f^{\prime }\left (x \right ) g \left (x \right )+v \left (v +1\right ) f \left (x \right ) g^{\prime }\left (x \right )\right ) f \left (x \right ) {g^{\prime }\left (x \right )}^{2}\right ) y}{f \left (x \right )^{2} g^{\prime }\left (x \right ) \left (g \left (x \right )^{2}-1\right )} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

7.139

\(613\)

12709

\begin{align*} y^{\prime \prime \prime }+a \,x^{3} y-b x&=0 \\ \end{align*}

[[_3rd_order, _linear, _nonhomogeneous]]

0.110

\(614\)

12710

\begin{align*} y^{\prime \prime \prime }-a \,x^{b} y&=0 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.133

\(615\)

12713

\begin{align*} a y+2 a x y^{\prime }+y^{\prime \prime \prime }&=0 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.133

\(616\)

12714

\begin{align*} y^{\prime \prime \prime }-x^{2} y^{\prime \prime }+\left (a +b -1\right ) x y^{\prime }-a b y&=0 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.121

\(617\)

12715

\begin{align*} y^{\prime \prime \prime }+x^{2 c -2} y^{\prime }+\left (c -1\right ) x^{2 c -3} y&=0 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.171

\(618\)

12722

\begin{align*} y^{\prime \prime \prime }-6 x y^{\prime \prime }+2 \left (4 x^{2}+2 a -1\right ) y^{\prime }-8 a x y&=0 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.101

\(619\)

12723

\begin{align*} a^{3} x^{3} y+3 a^{2} x^{2} y^{\prime }+3 a x y^{\prime \prime }+y^{\prime \prime \prime }&=0 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.131

\(620\)

12725

\begin{align*} f \left (x \right ) y+y^{\prime }+f \left (x \right ) y^{\prime \prime }+y^{\prime \prime \prime }&=0 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.094

\(621\)

12726

\begin{align*} y^{\prime \prime \prime }+f \left (x \right ) \left (x^{2} y^{\prime \prime }-2 x y^{\prime }+2 y\right )&=0 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.120

\(622\)

12728

\begin{align*} x y^{\prime \prime \prime }+3 y^{\prime \prime }+x y&=0 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.132

\(623\)

12729

\begin{align*} x y^{\prime \prime \prime }+3 y^{\prime \prime }-a \,x^{2} y&=0 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.134

\(624\)

12730

\begin{align*} x y^{\prime \prime \prime }+\left (a +b \right ) y^{\prime \prime }-x y^{\prime }-a y&=0 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.108

\(625\)

12731

\begin{align*} x y^{\prime \prime \prime }-\left (x +2 v \right ) y^{\prime \prime }-\left (x -2 v -1\right ) y^{\prime }+\left (-1+x \right ) y&=0 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.113

\(626\)

12733

\begin{align*} 2 x y^{\prime \prime \prime }+3 y^{\prime \prime }+a x y-b&=0 \\ \end{align*}

[[_3rd_order, _linear, _nonhomogeneous]]

0.090

\(627\)

12734

\begin{align*} 2 x y^{\prime \prime \prime }-4 \left (x +\nu -1\right ) y^{\prime \prime }+\left (2 x +6 \nu -5\right ) y^{\prime }+\left (1-2 \nu \right ) y&=0 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.123

\(628\)

12737

\begin{align*} \left (2 x -1\right ) y^{\prime \prime \prime }-8 x y^{\prime }+8 y&=0 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.107

\(629\)

12739

\begin{align*} a \,x^{2} y-6 y^{\prime }+x^{2} y^{\prime \prime \prime }&=0 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.138

\(630\)

12743

\begin{align*} x^{2} y^{\prime \prime \prime }-3 \left (x -m \right ) x y^{\prime \prime }+\left (2 x^{2}+4 \left (n -m \right ) x +m \left (2 m -1\right )\right ) y^{\prime }-2 n \left (2 x -2 m +1\right ) y&=0 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.142

\(631\)

12744

\begin{align*} x^{2} y^{\prime \prime \prime }+4 x y^{\prime \prime }+y^{\prime } \left (x^{2}+2\right )+3 x y-f \left (x \right )&=0 \\ \end{align*}

[[_3rd_order, _linear, _nonhomogeneous]]

0.140

\(632\)

12747

\begin{align*} a \,x^{2} y+6 y^{\prime }+6 x y^{\prime \prime }+x^{2} y^{\prime \prime \prime }&=0 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.097

\(633\)

12748

\begin{align*} x^{2} y^{\prime \prime \prime }-3 \left (p +q \right ) x y^{\prime \prime }+3 p \left (3 q +1\right ) y^{\prime }-x^{2} y&=0 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.115

\(634\)

12749

\begin{align*} x^{2} y^{\prime \prime \prime }-2 \left (n +1\right ) x y^{\prime \prime }+\left (a \,x^{2}+6 n \right ) y^{\prime }-2 a x y&=0 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.103

\(635\)

12750

\begin{align*} x^{2} y^{\prime \prime \prime }-\left (x^{2}-2 x \right ) y^{\prime \prime }-\left (x^{2}+\nu ^{2}-\frac {1}{4}\right ) y^{\prime }+\left (x^{2}-2 x +\nu ^{2}-\frac {1}{4}\right ) y&=0 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.127

\(636\)

12752

\begin{align*} x^{2} y^{\prime \prime \prime }-2 \left (x^{2}-x \right ) y^{\prime \prime }+\left (x^{2}-2 x +\frac {1}{4}-\nu ^{2}\right ) y^{\prime }+\left (\nu ^{2}-\frac {1}{4}\right ) y&=0 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.100

\(637\)

12753

\begin{align*} x^{2} y^{\prime \prime \prime }-\left (x^{4}-6 x \right ) y^{\prime \prime }-\left (2 x^{3}-6\right ) y^{\prime }+2 x^{2} y&=0 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.142

\(638\)

12755

\begin{align*} -2 x y+y^{\prime } \left (x^{2}+2\right )-2 x y^{\prime \prime }+\left (x^{2}+2\right ) y^{\prime \prime \prime }&=0 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.095

\(639\)

12756

\begin{align*} 2 x \left (-1+x \right ) y^{\prime \prime \prime }+3 \left (2 x -1\right ) y^{\prime \prime }+\left (2 a x +b \right ) y^{\prime }+a y&=0 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.120

\(640\)

12757

\begin{align*} x^{3} y^{\prime \prime \prime }+\left (-\nu ^{2}+1\right ) x y^{\prime }+\left (a \,x^{3}+\nu ^{2}-1\right ) y&=0 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.096

\(641\)

12758

\begin{align*} x^{3} y^{\prime \prime \prime }+\left (4 x^{3}+\left (-4 \nu ^{2}+1\right ) x \right ) y^{\prime }+\left (4 \nu ^{2}-1\right ) y&=0 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.102

\(642\)

12762

\begin{align*} -2 \left (x^{2}+4\right ) y+x \left (x^{2}+8\right ) y^{\prime }-4 x^{2} y^{\prime \prime }+x^{3} y^{\prime \prime \prime }&=0 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.152

\(643\)

12765

\begin{align*} x^{3} y^{\prime \prime \prime }+x^{2} \left (x +3\right ) y^{\prime \prime }+5 \left (-6+x \right ) x y^{\prime }+\left (4 x +30\right ) y&=0 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.098

\(644\)

12767

\begin{align*} -12 y+3 \left (2 x^{2}+1\right ) y^{\prime \prime }+x \left (x^{2}+1\right ) y^{\prime \prime \prime }&=0 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.092

\(645\)

12768

\begin{align*} \left (x +3\right ) x^{2} y^{\prime \prime \prime }-3 x \left (x +2\right ) y^{\prime \prime }+6 \left (1+x \right ) y^{\prime }-6 y&=0 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.119

\(646\)

12769

\begin{align*} 2 \left (x -\operatorname {a1} \right ) \left (x -\operatorname {a2} \right ) \left (x -\operatorname {a3} \right ) y^{\prime \prime \prime }+\left (9 x^{2}-6 \left (\operatorname {a1} +\operatorname {a2} +\operatorname {a3} \right ) x +3 \operatorname {a1} \operatorname {a2} +3 \operatorname {a1} \operatorname {a3} +3 \operatorname {a2} \operatorname {a3} \right ) y^{\prime \prime }-2 \left (\left (n^{2}+n -3\right ) x +b \right ) y^{\prime }-n \left (n +1\right ) y&=0 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.160

\(647\)

12770

\begin{align*} x^{3} \left (1+x \right ) y^{\prime \prime \prime }-\left (4 x +2\right ) x^{2} y^{\prime \prime }+\left (4+10 x \right ) x y^{\prime }-4 \left (1+3 x \right ) y&=0 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.123

\(648\)

12772

\begin{align*} x^{3} \left (x^{2}+1\right ) y^{\prime \prime \prime }-\left (4 x^{2}+2\right ) x^{2} y^{\prime \prime }+\left (10 x^{2}+4\right ) x y^{\prime }-4 \left (3 x^{2}+1\right ) y&=0 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.109

\(649\)

12773

\begin{align*} x^{6} y^{\prime \prime \prime }+x^{2} y^{\prime \prime }-2 y&=0 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.120

\(650\)

12774

\begin{align*} x^{6} y^{\prime \prime \prime }+6 x^{5} y^{\prime \prime }+a y&=0 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.090

\(651\)

12775

\begin{align*} x^{2} \left (x^{4}+2 x^{2}+2 x +1\right ) y^{\prime \prime \prime }-\left (2 x^{6}+3 x^{4}-6 x^{2}-6 x -1\right ) y^{\prime \prime }+\left (x^{6}-6 x^{3}-15 x^{2}-12 x -2\right ) y^{\prime }+\left (x^{4}+4 x^{3}+8 x^{2}+6 x +1\right ) y&=0 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.134

\(652\)

12776

\begin{align*} \left (x -a \right )^{3} \left (x -b \right )^{3} y^{\prime \prime \prime }-c y&=0 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.147

\(653\)

12779

\begin{align*} y^{\prime \prime \prime } \sin \left (x \right )^{2}+3 y^{\prime \prime } \sin \left (x \right ) \cos \left (x \right )+\left (\cos \left (2 x \right )+4 \nu \left (\nu +1\right ) \sin \left (x \right )^{2}\right ) y^{\prime }+2 \nu \left (\nu +1\right ) y \sin \left (2 x \right )&=0 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.169

\(654\)

12780

\begin{align*} y^{\prime \prime \prime }+x y^{\prime }+n y&=0 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.106

\(655\)

12781

\begin{align*} y^{\prime \prime \prime }-x y^{\prime }-n y&=0 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.089

\(656\)

12791

\begin{align*} a^{4} x^{4} y+4 a^{3} x^{3} y^{\prime }+6 a^{2} x^{2} y^{\prime \prime }+4 a x y^{\prime \prime \prime }+y^{\prime \prime \prime \prime }&=0 \\ \end{align*}

[[_high_order, _with_linear_symmetries]]

0.146

\(657\)

12794

\begin{align*} y^{\prime \prime \prime \prime } x -\left (6 x^{2}+1\right ) y^{\prime \prime \prime }+12 x^{3} y^{\prime \prime }-\left (9 x^{2}-7\right ) x^{2} y^{\prime }+2 \left (x^{2}-3\right ) x^{3} y&=0 \\ \end{align*}

[[_high_order, _with_linear_symmetries]]

0.146

\(658\)

12795

\begin{align*} x^{2} y^{\prime \prime \prime \prime }-2 \left (\nu ^{2} x^{2}+6\right ) y^{\prime \prime }+\nu ^{2} \left (\nu ^{2} x^{2}+4\right ) y&=0 \\ \end{align*}

[[_high_order, _with_linear_symmetries]]

0.149

\(659\)

12799

\begin{align*} x^{2} y^{\prime \prime \prime \prime }+6 x y^{\prime \prime \prime }+6 y^{\prime \prime }-\lambda ^{2} y&=0 \\ \end{align*}

[[_high_order, _with_linear_symmetries]]

0.123

\(660\)

12801

\begin{align*} x^{2} y^{\prime \prime \prime \prime }+8 x y^{\prime \prime \prime }+12 y^{\prime \prime }-\lambda ^{2} y&=0 \\ \end{align*}

[[_high_order, _with_linear_symmetries]]

0.123

\(661\)

12802

\begin{align*} x^{2} y^{\prime \prime \prime \prime }+\left (2 n -2 \nu +4\right ) x y^{\prime \prime \prime }+\left (n -\nu +1\right ) \left (n -\nu +2\right ) y^{\prime \prime }-\frac {b^{4} y}{16}&=0 \\ \end{align*}

[[_high_order, _with_linear_symmetries]]

0.121

\(662\)

12803

\begin{align*} x^{3} y^{\prime \prime \prime \prime }+2 x^{2} y^{\prime \prime \prime }-x y^{\prime \prime }+y^{\prime }-a^{4} x^{3} y&=0 \\ \end{align*}

[[_high_order, _with_linear_symmetries]]

0.125

\(663\)

12805

\begin{align*} x^{4} y^{\prime \prime \prime \prime }-2 n \left (n +1\right ) x^{2} y^{\prime \prime }+4 n \left (n +1\right ) x y^{\prime }+\left (a \,x^{4}+n \left (n +1\right ) \left (n +3\right ) \left (-2+n \right )\right ) y&=0 \\ \end{align*}

[[_high_order, _with_linear_symmetries]]

0.117

\(664\)

12806

\begin{align*} x^{4} y^{\prime \prime \prime \prime }+4 x^{3} y^{\prime \prime \prime }-\left (4 n^{2}-1\right ) x^{2} y^{\prime \prime }+\left (4 n^{2}-1\right ) x y^{\prime }-4 x^{4} y&=0 \\ \end{align*}

[[_high_order, _with_linear_symmetries]]

0.211

\(665\)

12807

\begin{align*} x^{4} y^{\prime \prime \prime \prime }+4 x^{3} y^{\prime \prime \prime }-\left (4 n^{2}-1\right ) x^{2} y^{\prime \prime }-\left (4 n^{2}-1\right ) x y^{\prime }+\left (-4 x^{4}+4 n^{2}-1\right ) y&=0 \\ \end{align*}

[[_high_order, _with_linear_symmetries]]

0.140

\(666\)

12808

\begin{align*} x^{4} y^{\prime \prime \prime \prime }+4 x^{3} y^{\prime \prime \prime }-\left (4 n^{2}+3\right ) x^{2} y^{\prime \prime }+\left (12 n^{2}-3\right ) x y^{\prime }-\left (4 x^{4}+12 n^{2}-3\right ) y&=0 \\ \end{align*}

[[_high_order, _with_linear_symmetries]]

0.163

\(667\)

12809

\begin{align*} x^{4} y^{\prime \prime \prime \prime }+6 x^{3} y^{\prime \prime \prime }+\left (4 x^{4}+\left (-\rho ^{2}-\sigma ^{2}+7\right ) x^{2}\right ) y^{\prime \prime }+\left (16 x^{3}+\left (-\rho ^{2}-\sigma ^{2}+1\right ) x \right ) y^{\prime }+\left (\rho ^{2} \sigma ^{2}+8 x^{2}\right ) y&=0 \\ \end{align*}

[[_high_order, _with_linear_symmetries]]

0.166

\(668\)

12810

\begin{align*} x^{4} y^{\prime \prime \prime \prime }+6 x^{3} y^{\prime \prime \prime }+\left (4 x^{4}+\left (-2 \mu ^{2}-2 \nu ^{2}+7\right ) x^{2}\right ) y^{\prime \prime }+\left (16 x^{3}+\left (-2 \mu ^{2}-2 \nu ^{2}+1\right ) x \right ) y^{\prime }+\left (8 x^{2}+\left (\mu ^{2}-\nu ^{2}\right )^{2}\right ) y&=0 \\ \end{align*}

[[_high_order, _with_linear_symmetries]]

0.141

\(669\)

12813

\begin{align*} x^{4} y^{\prime \prime \prime \prime }+\left (6-4 a \right ) x^{3} y^{\prime \prime \prime }+\left (4 c^{2} x^{2 c} b^{2}+6 \left (a -1\right )^{2}-2 c^{2} \left (\mu ^{2}+\nu ^{2}\right )+1\right ) x^{2} y^{\prime \prime }+\left (4 \left (3 c -2 a +1\right ) b^{2} c^{2} x^{2 c}+\left (2 a -1\right ) \left (2 c^{2} \left (\mu ^{2}+\nu ^{2}\right )-2 \left (a -1\right ) a -1\right )\right ) x y^{\prime }+\left (4 \left (a -c \right ) \left (a -2 c \right ) b^{2} c^{2} x^{2 c}+\left (c \mu +c \nu +a \right ) \left (c \mu +c \nu -a \right ) \left (c \mu -c \nu +a \right ) \left (c \mu -c \nu -a \right )\right ) y&=0 \\ \end{align*}

[[_high_order, _with_linear_symmetries]]

0.175

\(670\)

12814

\begin{align*} x^{4} y^{\prime \prime \prime \prime }+\left (6-4 a -4 c \right ) x^{3} y^{\prime \prime \prime }+\left (-2 \nu ^{2} c^{2}+2 a^{2}+4 \left (a +c -1\right )^{2}+4 \left (a -1\right ) \left (c -1\right )-1\right ) x^{2} y^{\prime \prime }+\left (2 \nu ^{2} c^{2}-2 a^{2}-\left (2 a -1\right ) \left (2 c -1\right )\right ) \left (2 a +2 c -1\right ) x y^{\prime }+\left (\left (-\nu ^{2} c^{2}+a^{2}\right ) \left (-\nu ^{2} c^{2}+a^{2}+4 a c +4 c^{2}\right )-b^{4} c^{4} x^{4 c}\right ) y&=0 \\ \end{align*}

[[_high_order, _with_linear_symmetries]]

0.179

\(671\)

12815

\begin{align*} \nu ^{4} x^{4} y^{\prime \prime \prime \prime }+\left (4 \nu -2\right ) \nu ^{3} x^{3} y^{\prime \prime \prime }+\left (\nu -1\right ) \left (2 \nu -1\right ) \nu ^{2} x^{2} y^{\prime \prime }-\frac {b^{4} x^{\frac {2}{\nu }} y}{16}&=0 \\ \end{align*}

[[_high_order, _with_linear_symmetries]]

0.137

\(672\)

12818

\begin{align*} y^{\prime \prime \prime \prime } \sin \left (x \right )^{4}+2 y^{\prime \prime \prime } \sin \left (x \right )^{3} \cos \left (x \right )+y^{\prime \prime } \sin \left (x \right )^{2} \left (\sin \left (x \right )^{2}-3\right )+y^{\prime } \sin \left (x \right ) \cos \left (x \right ) \left (2 \sin \left (x \right )^{2}+3\right )+\left (a^{4} \sin \left (x \right )^{4}-3\right ) y&=0 \\ \end{align*}

[[_high_order, _with_linear_symmetries]]

0.148

\(673\)

12819

\begin{align*} y^{\prime \prime \prime \prime } \sin \left (x \right )^{6}+4 y^{\prime \prime \prime } \sin \left (x \right )^{5} \cos \left (x \right )-6 y^{\prime \prime } \sin \left (x \right )^{6}-4 y^{\prime } \sin \left (x \right )^{5} \cos \left (x \right )+y \sin \left (x \right )^{6}-f&=0 \\ \end{align*}

[[_high_order, _linear, _nonhomogeneous]]

0.156

\(674\)

12822

\begin{align*} y^{\prime \prime \prime \prime }-2 a^{2} y^{\prime \prime }+a^{4} y-\lambda \left (a x -b \right ) \left (-a^{2} y+y^{\prime \prime }\right )&=0 \\ \end{align*}

[[_high_order, _with_linear_symmetries]]

0.141

\(675\)

12828

\begin{align*} x y^{\left (5\right )}-m n y^{\prime \prime \prime \prime }+a x y&=0 \\ \end{align*}

[[_high_order, _with_linear_symmetries]]

0.108

\(676\)

12831

\begin{align*} x^{2} y^{\prime \prime \prime \prime }-a y&=0 \\ \end{align*}

[[_high_order, _with_linear_symmetries]]

0.138

\(677\)

12832

\begin{align*} x^{10} y^{\left (5\right )}-a y&=0 \\ \end{align*}

[[_high_order, _with_linear_symmetries]]

0.154

\(678\)

12833

\begin{align*} x^{{5}/{2}} y^{\left (5\right )}-a y&=0 \\ \end{align*}

[[_high_order, _with_linear_symmetries]]

0.134

\(679\)

12854

\begin{align*} y^{\prime \prime }&=\frac {f \left (\frac {y}{\sqrt {x}}\right )}{x^{{3}/{2}}} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

17.530

\(680\)

12857

\begin{align*} y^{\prime \prime }+5 a y^{\prime }-6 y^{2}+6 a^{2} y&=0 \\ \end{align*}

[[_2nd_order, _missing_x]]

119.184

\(681\)

12858

\begin{align*} y^{\prime \prime }+3 a y^{\prime }-2 y^{3}+2 a^{2} y&=0 \\ \end{align*}

[[_2nd_order, _missing_x]]

40.818

\(682\)

12864

\begin{align*} y^{\prime \prime }+\left (3 a +y\right ) y^{\prime }-y^{3}+a y^{2}+2 a^{2} y&=0 \\ \end{align*}

[[_2nd_order, _missing_x]]

45.430

\(683\)

12866

\begin{align*} y^{\prime \prime }+\left (3 y+f \left (x \right )\right ) y^{\prime }+y^{3}+f \left (x \right ) y^{2}&=0 \\ \end{align*}

[[_2nd_order, _with_potential_symmetries]]

1.721

\(684\)

12867

\begin{align*} y^{\prime \prime }-3 y^{\prime } y-3 a y^{2}-4 a^{2} y-b&=0 \\ \end{align*}

[[_2nd_order, _missing_x], [_2nd_order, _reducible, _mu_x_y1], [_2nd_order, _reducible, _mu_xy]]

51.902

\(685\)

12868

\begin{align*} y^{\prime \prime }-\left (3 y+f \left (x \right )\right ) y^{\prime }+y^{3}+f \left (x \right ) y^{2}&=0 \\ \end{align*}

[[_2nd_order, _with_potential_symmetries]]

1.735

\(686\)

12877

\begin{align*} y^{\prime \prime }-a \left (-y+x y^{\prime }\right )^{v}&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

0.877

\(687\)

12881

\begin{align*} y^{\prime \prime }&=a \sqrt {b y^{2}+{y^{\prime }}^{2}} \\ \end{align*}

[[_2nd_order, _missing_x]]

835.448

\(688\)

12885

\begin{align*} y^{\prime \prime }&=2 a \left (c +b x +y\right ) \left (1+{y^{\prime }}^{2}\right )^{{3}/{2}} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries], [_2nd_order, _reducible, _mu_x_y1], [_2nd_order, _reducible, _mu_y_y1]]

1.112

\(689\)

12894

\begin{align*} x y^{\prime \prime }-{y^{\prime }}^{2} x^{2}+2 y^{\prime }+y^{2}&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries], [_2nd_order, _reducible, _mu_xy]]

0.423

\(690\)

12895

\begin{align*} x y^{\prime \prime }+a \left (-y+x y^{\prime }\right )^{2}-b&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

0.792

\(691\)

12900

\begin{align*} x^{2} y^{\prime \prime }+a \left (-y+x y^{\prime }\right )^{2}-b \,x^{2}&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

0.614

\(692\)

12905

\begin{align*} 2 y+a y^{3}+9 x^{2} y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

0.485

\(693\)

12907

\begin{align*} x^{3} y^{\prime \prime }-a \left (-y+x y^{\prime }\right )^{2}&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries], [_2nd_order, _reducible, _mu_xy]]

0.781

\(694\)

12911

\begin{align*} x^{4} y^{\prime \prime }-x \left (x^{2}+2 y\right ) y^{\prime }+4 y^{2}&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries], [_2nd_order, _reducible, _mu_x_y1], [_2nd_order, _reducible, _mu_xy]]

0.589

\(695\)

12912

\begin{align*} x^{4} y^{\prime \prime }-x^{2} y^{\prime } \left (x +y^{\prime }\right )+4 y^{2}&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries], [_2nd_order, _reducible, _mu_xy]]

0.732

\(696\)

12913

\begin{align*} \left (-y+x y^{\prime }\right )^{3}+x^{4} y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

1.004

\(697\)

12915

\begin{align*} \left (a \,x^{2}+b x +c \right )^{{3}/{2}} y^{\prime \prime }-F \left (\frac {y}{\sqrt {a \,x^{2}+b x +c}}\right )&=0 \\ \end{align*}

[NONE]

95.096

\(698\)

12932

\begin{align*} y y^{\prime \prime }-{y^{\prime }}^{2}+\left (\tan \left (x \right )+\cot \left (x \right )\right ) y y^{\prime }+\left (\cos \left (x \right )^{2}-n^{2} \cot \left (x \right )^{2}\right ) y^{2} \ln \left (y\right )&=0 \\ \end{align*}

[[_2nd_order, _reducible, _mu_xy]]

6.622

\(699\)

12933

\begin{align*} y y^{\prime \prime }-{y^{\prime }}^{2}-f \left (x \right ) y y^{\prime }-g \left (x \right ) y^{2}&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries], [_2nd_order, _reducible, _mu_xy]]

0.480

\(700\)

12939

\begin{align*} y y^{\prime \prime }+a {y^{\prime }}^{2}+b y y^{\prime }+c y^{2}+d y^{1-a}&=0 \\ \end{align*}

[[_2nd_order, _missing_x], [_2nd_order, _reducible, _mu_xy]]

390.931

\(701\)

12942

\begin{align*} y y^{\prime \prime }-{y^{\prime }}^{2}-1-2 a y \left (1+{y^{\prime }}^{2}\right )^{{3}/{2}}&=0 \\ \end{align*}

[[_2nd_order, _missing_x]]

244.749

\(702\)

12944

\begin{align*} 2 y^{\prime } \left (y^{\prime }+1\right )+\left (x -y\right ) y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries], [_2nd_order, _reducible, _mu_x_y1], [_2nd_order, _reducible, _mu_y_y1]]

0.547

\(703\)

12945

\begin{align*} \left (x -y\right ) y^{\prime \prime }-\left (y^{\prime }+1\right ) \left (1+{y^{\prime }}^{2}\right )&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries], [_2nd_order, _reducible, _mu_x_y1], [_2nd_order, _reducible, _mu_y_y1]]

0.510

\(704\)

12946

\begin{align*} \left (x -y\right ) y^{\prime \prime }-h \left (y^{\prime }\right )&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries], [_2nd_order, _reducible, _mu_x_y1], [_2nd_order, _reducible, _mu_y_y1]]

4.250

\(705\)

12964

\begin{align*} 3 y y^{\prime \prime }-2 {y^{\prime }}^{2}-a \,x^{2}-b x -c&=0 \\ \end{align*}

[NONE]

0.586

\(706\)

12976

\begin{align*} f \left (x \right )+a y y^{\prime }+{y^{\prime }}^{2} x +x y y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _exact, _nonlinear], [_2nd_order, _reducible, _mu_xy]]

0.549

\(707\)

12980

\begin{align*} x y y^{\prime \prime }-2 {y^{\prime }}^{2} x +\left (1+y\right ) y^{\prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries], [_2nd_order, _reducible, _mu_x_y1], [_2nd_order, _reducible, _mu_xy]]

0.463

\(708\)

12983

\begin{align*} x y y^{\prime \prime }+\left (\frac {a x}{\sqrt {b^{2}-x^{2}}}-x \right ) {y^{\prime }}^{2}-y^{\prime } y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

4.283

\(709\)

12987

\begin{align*} x^{2} \left (x +y\right ) y^{\prime \prime }-\left (-y+x y^{\prime }\right )^{2}&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries], [_2nd_order, _reducible, _mu_xy]]

1.119

\(710\)

12988

\begin{align*} x^{2} \left (x -y\right ) y^{\prime \prime }+a \left (-y+x y^{\prime }\right )^{2}&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries], [_2nd_order, _reducible, _mu_xy]]

1.025

\(711\)

12989

\begin{align*} 2 x^{2} y y^{\prime \prime }-x^{2} \left (1+{y^{\prime }}^{2}\right )+y^{2}&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

0.619

\(712\)

12990

\begin{align*} a \,x^{2} y y^{\prime \prime }+b \,x^{2} {y^{\prime }}^{2}+c x y y^{\prime }+d y^{2}&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries], [_2nd_order, _reducible, _mu_xy]]

1.041

\(713\)

12991

\begin{align*} x \left (1+x \right )^{2} y y^{\prime \prime }-x \left (1+x \right )^{2} {y^{\prime }}^{2}+2 \left (1+x \right )^{2} y y^{\prime }-a \left (x +2\right ) y^{2}&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries], [_2nd_order, _reducible, _mu_xy]]

2.057

\(714\)

12992

\begin{align*} 8 \left (-x^{3}+1\right ) y y^{\prime \prime }-4 \left (-x^{3}+1\right ) {y^{\prime }}^{2}-12 x^{2} y y^{\prime }+3 x y^{2}&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries], [_2nd_order, _reducible, _mu_xy]]

1.341

\(715\)

12999

\begin{align*} \left (y^{2}+x^{2}\right ) y^{\prime \prime }-\left (1+{y^{\prime }}^{2}\right ) \left (-y+x y^{\prime }\right )&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries], [_2nd_order, _reducible, _mu_x_y1], [_2nd_order, _reducible, _mu_y_y1]]

1.147

\(716\)

13000

\begin{align*} \left (y^{2}+x^{2}\right ) y^{\prime \prime }-2 \left (1+{y^{\prime }}^{2}\right ) \left (-y+x y^{\prime }\right )&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries], [_2nd_order, _reducible, _mu_x_y1], [_2nd_order, _reducible, _mu_y_y1]]

1.088

\(717\)

13001

\begin{align*} 2 \left (1-y\right ) y y^{\prime \prime }-\left (-2 y+1\right ) {y^{\prime }}^{2}+f \left (x \right ) \left (1-y\right ) y y^{\prime }&=0 \\ \end{align*}

[_Liouville, [_2nd_order, _reducible, _mu_x_y1], [_2nd_order, _reducible, _mu_xy]]

2.641

\(718\)

13008

\begin{align*} x y^{2} y^{\prime \prime }-a&=0 \\ \end{align*}

[[_Emden, _Fowler], [_2nd_order, _with_linear_symmetries]]

0.344

\(719\)

13009

\begin{align*} \left (a^{2}-x^{2}\right ) \left (a^{2}-y^{2}\right ) y^{\prime \prime }+\left (a^{2}-x^{2}\right ) y {y^{\prime }}^{2}-x \left (a^{2}-y^{2}\right ) y^{\prime }&=0 \\ \end{align*}

[_Liouville, [_2nd_order, _reducible, _mu_x_y1], [_2nd_order, _reducible, _mu_xy]]

0.691

\(720\)

13011

\begin{align*} \left (x +y\right ) \left (-y+x y^{\prime }\right )^{3}+x^{3} y^{2} y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

1.128

\(721\)

13020

\begin{align*} \left (c +2 b x +a \,x^{2}+y^{2}\right )^{2} y^{\prime \prime }+d y&=0 \\ \end{align*}

[NONE]

0.967

\(722\)

13027

\begin{align*} \left (-y+x y^{\prime }\right ) y^{\prime \prime }+4 {y^{\prime }}^{2}&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

1.203

\(723\)

13030

\begin{align*} \left ({y^{\prime }}^{2}+a \left (-y+x y^{\prime }\right )\right ) y^{\prime \prime }-b&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

0.691

\(724\)

13031

\begin{align*} \left (a \sqrt {1+{y^{\prime }}^{2}}-x y^{\prime }\right ) y^{\prime \prime }-{y^{\prime }}^{2}-1&=0 \\ \end{align*}

[[_2nd_order, _missing_y]]

158.024

\(725\)

13032

\begin{align*} {y^{\prime \prime }}^{2}-a y-b&=0 \\ \end{align*}

[[_2nd_order, _missing_x], [_2nd_order, _reducible, _mu_x_y1]]

0.182

\(726\)

13034

\begin{align*} 2 \left (x^{2}+1\right ) {y^{\prime \prime }}^{2}-x \left (x +4 y^{\prime }\right ) y^{\prime \prime }+2 \left (x +y^{\prime }\right ) y^{\prime }-2 y&=0 \\ \end{align*}

[NONE]

0.115

\(727\)

13035

\begin{align*} 4 {y^{\prime }}^{2}-2 \left (3 x y^{\prime }+y\right ) y^{\prime \prime }+3 x^{2} {y^{\prime \prime }}^{2}&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

3.315

\(728\)

13036

\begin{align*} \left (2-9 x \right ) x^{2} {y^{\prime \prime }}^{2}-6 \left (1-6 x \right ) x y^{\prime } y^{\prime \prime }+6 y y^{\prime \prime }-36 {y^{\prime }}^{2} x&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

14.276

\(729\)

13048

\begin{align*} 15 {y^{\prime }}^{3}-18 y y^{\prime } y^{\prime \prime }+4 y^{2} y^{\prime \prime \prime }&=0 \\ \end{align*}

[[_3rd_order, _missing_x], [_3rd_order, _with_linear_symmetries]]

0.098

\(730\)

13049

\begin{align*} 40 {y^{\prime }}^{3}-45 y y^{\prime } y^{\prime \prime }+9 y^{2} y^{\prime \prime \prime }&=0 \\ \end{align*}

[[_3rd_order, _missing_x], [_3rd_order, _with_linear_symmetries]]

0.097

\(731\)

13056

\begin{align*} 9 {y^{\prime \prime }}^{2} y^{\left (5\right )}-45 y^{\prime \prime } y^{\prime \prime \prime } y^{\prime \prime \prime \prime }+40 y^{\prime \prime \prime }&=0 \\ \end{align*}

[[_high_order, _missing_x], [_high_order, _missing_y], [_high_order, _with_linear_symmetries]]

0.269

\(732\)

13077

\begin{align*} x^{\prime }&=x f \left (t \right )+y g \left (t \right ) \\ y^{\prime }&=-x g \left (t \right )+y f \left (t \right ) \\ \end{align*}

system_of_ODEs

0.106

\(733\)

13078

\begin{align*} x^{\prime }+\left (a x+b y\right ) f \left (t \right )&=g \left (t \right ) \\ y^{\prime }+\left (c x+d y\right ) f \left (t \right )&=h \left (t \right ) \\ \end{align*}

system_of_ODEs

0.097

\(734\)

13079

\begin{align*} x^{\prime }&=x \cos \left (t \right ) \\ y^{\prime }&=x \,{\mathrm e}^{-\sin \left (t \right )} \\ \end{align*}

system_of_ODEs

0.083

\(735\)

13080

\begin{align*} x^{\prime } t +y&=0 \\ t y^{\prime }+x&=0 \\ \end{align*}

system_of_ODEs

0.099

\(736\)

13081

\begin{align*} x^{\prime } t +2 x&=t \\ t y^{\prime }-\left (t +2\right ) x-t y&=-t \\ \end{align*}

system_of_ODEs

0.122

\(737\)

13082

\begin{align*} x^{\prime } t +2 x-2 y&=t \\ t y^{\prime }+x+5 y&=t^{2} \\ \end{align*}

system_of_ODEs

0.128

\(738\)

13083

\begin{align*} t^{2} \left (1-\sin \left (t \right )\right ) x^{\prime }&=t \left (1-2 \sin \left (t \right )\right ) x+t^{2} y \\ t^{2} \left (1-\sin \left (t \right )\right ) y^{\prime }&=\left (\cos \left (t \right ) t -\sin \left (t \right )\right ) x+t \left (1-\cos \left (t \right ) t \right ) y \\ \end{align*}

system_of_ODEs

0.108

\(739\)

13084

\begin{align*} x^{\prime }+y^{\prime }+y&=f \left (t \right ) \\ x^{\prime \prime }+y^{\prime \prime }+y^{\prime }+x+y&=g \left (t \right ) \\ \end{align*}

system_of_ODEs

0.143

\(740\)

13085

\begin{align*} 2 x^{\prime }+y^{\prime }-3 x&=0 \\ x^{\prime \prime }+y^{\prime }-2 y&={\mathrm e}^{2 t} \\ \end{align*}

system_of_ODEs

0.154

\(741\)

13086

\begin{align*} x^{\prime }+x-y^{\prime }&=2 t \\ x^{\prime \prime }+y^{\prime }-9 x+3 y&=\sin \left (2 t \right ) \\ \end{align*}

system_of_ODEs

0.110

\(742\)

13087

\begin{align*} x^{\prime }-x+2 y&=0 \\ x^{\prime \prime }-2 y^{\prime }&=2 t -\cos \left (2 t \right ) \\ \end{align*}

system_of_ODEs

0.103

\(743\)

13088

\begin{align*} x^{\prime } t -t y^{\prime }-2 y&=0 \\ t x^{\prime \prime }+2 x^{\prime }+t x&=0 \\ \end{align*}

system_of_ODEs

0.103

\(744\)

13089

\begin{align*} x^{\prime \prime }+a y&=0 \\ y^{\prime \prime }-a^{2} y&=0 \\ \end{align*}

system_of_ODEs

0.107

\(745\)

13090

\begin{align*} x^{\prime \prime }&=a x+b y \\ y^{\prime \prime }&=c x+d y \\ \end{align*}

system_of_ODEs

0.125

\(746\)

13091

\begin{align*} x^{\prime \prime }&=a_{1} x+b_{1} y+c_{1} \\ y^{\prime \prime }&=a_{2} x+b_{2} y+c_{2} \\ \end{align*}

system_of_ODEs

0.116

\(747\)

13092

\begin{align*} x^{\prime \prime }+x+y&=-5 \\ y^{\prime \prime }-4 x-3 y&=-3 \\ \end{align*}

system_of_ODEs

0.103

\(748\)

13094

\begin{align*} x^{\prime \prime }+6 x+7 y&=0 \\ y^{\prime \prime }+3 x+2 y&=2 t \\ \end{align*}

system_of_ODEs

0.108

\(749\)

13095

\begin{align*} x^{\prime \prime }-a y^{\prime }+b x&=0 \\ y^{\prime \prime }+a x^{\prime }+b y&=0 \\ \end{align*}

system_of_ODEs

0.132

\(750\)

13096

\begin{align*} a_{1} x^{\prime \prime }+b_{1} x^{\prime }+c_{1} x-A y^{\prime }&=B \,{\mathrm e}^{i \omega t} \\ a_{2} y^{\prime \prime }+b_{2} y^{\prime }+c_{2} y+A x^{\prime }&=0 \\ \end{align*}

system_of_ODEs

0.181

\(751\)

13097

\begin{align*} x^{\prime \prime }+a \left (x^{\prime }-y^{\prime }\right )+b_{1} x&=c_{1} {\mathrm e}^{i \omega t} \\ y^{\prime \prime }+a \left (y^{\prime }-x^{\prime }\right )+b_{2} y&=c_{2} {\mathrm e}^{i \omega t} \\ \end{align*}

system_of_ODEs

0.125

\(752\)

13098

\begin{align*} \operatorname {a11} x^{\prime \prime }+\operatorname {b11} x^{\prime }+\operatorname {c11} x+\operatorname {a12} y^{\prime \prime }+\operatorname {b12} y^{\prime }+\operatorname {c12} y&=0 \\ \operatorname {a21} x^{\prime \prime }+\operatorname {b21} x^{\prime }+\operatorname {c21} x+\operatorname {a22} y^{\prime \prime }+\operatorname {b22} y^{\prime }+\operatorname {c22} y&=0 \\ \end{align*}

system_of_ODEs

0.145

\(753\)

13099

\begin{align*} x^{\prime \prime }-2 x^{\prime }-y^{\prime }+y&=0 \\ y^{\prime \prime \prime }-y^{\prime \prime }+2 x^{\prime }-x&=t \\ \end{align*}

system_of_ODEs

0.124

\(754\)

13100

\begin{align*} x^{\prime \prime }+y^{\prime \prime }+y^{\prime }&=\sinh \left (2 t \right ) \\ 2 x^{\prime \prime }+y^{\prime \prime }&=2 t \\ \end{align*}

system_of_ODEs

0.128

\(755\)

13101

\begin{align*} x^{\prime \prime }-x^{\prime }+y^{\prime }&=0 \\ x^{\prime \prime }+y^{\prime \prime }-x&=0 \\ \end{align*}

system_of_ODEs

0.124

\(756\)

13112

\begin{align*} x^{\prime } t&=2 x-t \\ t^{3} y^{\prime }&=-x+t^{2} y+t \\ t^{4} z^{\prime }&=-x-t^{2} y+t^{3} z+t \\ \end{align*}

system_of_ODEs

0.126

\(757\)

13113

\begin{align*} a t x^{\prime }&=b c \left (y-z\right ) \\ b t y^{\prime }&=c a \left (-x+z\right ) \\ c t z^{\prime }&=a b \left (x-y\right ) \\ \end{align*}

system_of_ODEs

0.113

\(758\)

13114

\begin{align*} x_{1}^{\prime }&=a x_{2}+b x_{3} \cos \left (c t \right )+b x_{4} \sin \left (c t \right ) \\ x_{2}^{\prime }&=-a x_{1}+b x_{3} \sin \left (c t \right )-b x_{4} \cos \left (c t \right ) \\ x_{3}^{\prime }&=-b x_{1} \cos \left (c t \right )-b x_{2} \sin \left (c t \right )+a x_{4} \\ x_{4}^{\prime }&=-b x_{1} \sin \left (c t \right )+b x_{2} \cos \left (c t \right )-a x_{3} \\ \end{align*}

system_of_ODEs

0.190

\(759\)

13115

\begin{align*} x^{\prime }&=-x \left (x+y\right ) \\ y^{\prime }&=y \left (x+y\right ) \\ \end{align*}

system_of_ODEs

0.109

\(760\)

13116

\begin{align*} x^{\prime }&=\left (a y+b \right ) x \\ y^{\prime }&=\left (c x+d \right ) y \\ \end{align*}

system_of_ODEs

0.104

\(761\)

13118

\begin{align*} x^{\prime }&=h \left (a -x\right ) \left (c -x-y\right ) \\ y^{\prime }&=k \left (b -y\right ) \left (c -x-y\right ) \\ \end{align*}

system_of_ODEs

0.104

\(762\)

13119

\begin{align*} x^{\prime }&=y^{2}-\cos \left (x\right ) \\ y^{\prime }&=-y \sin \left (x\right ) \\ \end{align*}

system_of_ODEs

0.096

\(763\)

13123

\begin{align*} \left (t^{2}+1\right ) x^{\prime }&=-t x+y \\ \left (t^{2}+1\right ) y^{\prime }&=-x-t y \\ \end{align*}

system_of_ODEs

0.095

\(764\)

13124

\begin{align*} \left (x^{2}+y^{2}-t^{2}\right ) x^{\prime }&=-2 t x \\ \left (x^{2}+y^{2}-t^{2}\right ) y^{\prime }&=-2 t y \\ \end{align*}

system_of_ODEs

0.153

\(765\)

13125

\begin{align*} {x^{\prime }}^{2}+x^{\prime } t +a y^{\prime }-x&=0 \\ x^{\prime } y^{\prime }+t y^{\prime }-y&=0 \\ \end{align*}

system_of_ODEs

0.153

\(766\)

13126

\begin{align*} x&=x^{\prime } t +f \left (x^{\prime }, y^{\prime }\right ) \\ y&=t y^{\prime }+g \left (x^{\prime }, y^{\prime }\right ) \\ \end{align*}

system_of_ODEs

0.148

\(767\)

13129

\begin{align*} x^{\prime }&=y-z \\ y^{\prime }&=x^{2}+y \\ z^{\prime }&=x^{2}+z \\ \end{align*}

system_of_ODEs

0.132

\(768\)

13130

\begin{align*} a x^{\prime }&=\left (b -c \right ) y z \\ b y^{\prime }&=\left (c -a \right ) z x \\ c z^{\prime }&=\left (a -b \right ) x y \\ \end{align*}

system_of_ODEs

0.170

\(769\)

13137

\begin{align*} \left (x-y\right ) \left (x-z\right ) x^{\prime }&=f \left (t \right ) \\ \left (-x+y\right ) \left (y-z\right ) y^{\prime }&=f \left (t \right ) \\ \left (-x+z\right ) \left (-y+z\right ) z^{\prime }&=f \left (t \right ) \\ \end{align*}

system_of_ODEs

0.143

\(770\)

13253

\begin{align*} x^{2} y^{\prime }&=c \,x^{2} y^{2}+\left (a \,x^{2}+b x \right ) y+\alpha \,x^{2}+\beta x +\gamma \\ \end{align*}

[_rational, _Riccati]

142.235

\(771\)

13256

\begin{align*} x^{2} y^{\prime }&=c \,x^{2} y^{2}+\left (a \,x^{n}+b \right ) x y+\alpha \,x^{2 n}+\beta \,x^{n}+\gamma \\ \end{align*}

[_rational, _Riccati]

136.812

\(772\)

13257

\begin{align*} x^{2} y^{\prime }&=\left (\alpha \,x^{2 n}+\beta \,x^{n}+\gamma \right ) y^{2}+\left (a \,x^{n}+b \right ) x y+c \,x^{2} \\ \end{align*}

[_rational, _Riccati]

151.726

\(773\)

13258

\begin{align*} \left (x^{2}-1\right ) y^{\prime }+\lambda \left (y^{2}-2 x y+1\right )&=0 \\ \end{align*}

[_rational, _Riccati]

10.065

\(774\)

13260

\begin{align*} \left (a \,x^{2}+b \right ) y^{\prime }+\alpha y^{2}+\beta x y+\gamma &=0 \\ \end{align*}

[_rational, _Riccati]

552.357

\(775\)

13269

\begin{align*} x^{3} y^{\prime }&=x^{3} a y^{2}+x \left (b x +c \right ) y+\alpha x +\beta \\ \end{align*}

[_rational, _Riccati]

129.691

\(776\)

13283

\begin{align*} y^{\prime }&=\sigma y^{2}+a +b \,{\mathrm e}^{\lambda x}+c \,{\mathrm e}^{2 \lambda x} \\ \end{align*}

[_Riccati]

47.694

\(777\)

13295

\begin{align*} y^{\prime }&=a \,{\mathrm e}^{\mu x} y^{2}+a b \,{\mathrm e}^{\left (\lambda +\mu \right ) x} y-b \lambda \,{\mathrm e}^{\lambda x} \\ \end{align*}

[_Riccati]

133.017

\(778\)

13333

\begin{align*} y^{\prime }&=\cosh \left (\lambda x \right ) a y^{2}+b \cosh \left (\lambda x \right ) \sinh \left (\lambda x \right )^{n} \\ \end{align*}

[_Riccati]

147.332

\(779\)

13336

\begin{align*} y^{\prime }&=y^{2}+a \lambda -a \left (a +\lambda \right ) \tanh \left (\lambda x \right )^{2} \\ \end{align*}

[_Riccati]

36.894

\(780\)

13337

\begin{align*} y^{\prime }&=y^{2}+3 a \lambda -\lambda ^{2}-a \left (a +\lambda \right ) \tanh \left (\lambda x \right )^{2} \\ \end{align*}

[_Riccati]

131.520

\(781\)

13340

\begin{align*} y^{\prime }&=y^{2}+a \lambda -a \left (a +\lambda \right ) \coth \left (\lambda x \right )^{2} \\ \end{align*}

[_Riccati]

37.337

\(782\)

13341

\begin{align*} y^{\prime }&=y^{2}-\lambda ^{2}+3 a \lambda -a \left (a +\lambda \right ) \coth \left (\lambda x \right )^{2} \\ \end{align*}

[_Riccati]

68.757

\(783\)

13389

\begin{align*} y^{\prime }&=y^{2}+a \lambda +a \left (\lambda -a \right ) \tan \left (\lambda x \right )^{2} \\ \end{align*}

[_Riccati]

19.966

\(784\)

13390

\begin{align*} y^{\prime }&=y^{2}+\lambda ^{2}+3 a \lambda +a \left (\lambda -a \right ) \tan \left (\lambda x \right )^{2} \\ \end{align*}

[_Riccati]

136.383

\(785\)

13401

\begin{align*} y^{\prime }&=y^{2}+\lambda ^{2}+3 a \lambda +a \left (\lambda -a \right ) \cot \left (\lambda x \right )^{2} \\ \end{align*}

[_Riccati]

90.375

\(786\)

13410

\begin{align*} y^{\prime }&=\cos \left (\lambda x \right ) a y^{2}+b \cos \left (\lambda x \right ) \sin \left (\lambda x \right )^{n} \\ \end{align*}

[_Riccati]

157.518

\(787\)

13425

\begin{align*} y^{\prime }&=\lambda \arcsin \left (x \right )^{n} \left (y-a \,x^{m}-b \right )^{2}+a m \,x^{m -1} \\ \end{align*}

[[_1st_order, ‘_with_symmetry_[F(x),G(x)]‘], _Riccati]

50.322

\(788\)

13433

\begin{align*} y^{\prime }&=\lambda \arccos \left (x \right )^{n} \left (y-a \,x^{m}-b \right )^{2}+a m \,x^{m -1} \\ \end{align*}

[[_1st_order, ‘_with_symmetry_[F(x),G(x)]‘], _Riccati]

64.366

\(789\)

13440

\begin{align*} y^{\prime }&=\lambda \arctan \left (x \right )^{n} \left (y-a \,x^{m}-b \right )^{2}+a m \,x^{m -1} \\ \end{align*}

[[_1st_order, ‘_with_symmetry_[F(x),G(x)]‘], _Riccati]

54.357

\(790\)

13447

\begin{align*} y^{\prime }&=\lambda \operatorname {arccot}\left (x \right )^{n} \left (y-a \,x^{m}-b \right )^{2}+a m \,x^{m -1} \\ \end{align*}

[[_1st_order, ‘_with_symmetry_[F(x),G(x)]‘], _Riccati]

84.839

\(791\)

13473

\begin{align*} x y^{\prime }&=f \left (x \right ) \left (y+a \ln \left (x \right )\right )^{2}-a \\ \end{align*}

[[_1st_order, ‘_with_symmetry_[F(x),G(x)]‘], _Riccati]

20.965

\(792\)

13485

\begin{align*} y^{\prime }&=\frac {y^{2} f^{\prime }\left (x \right )}{g \left (x \right )}-\frac {g^{\prime }\left (x \right )}{f \left (x \right )} \\ \end{align*}

[_Riccati]

12.161

\(793\)

13498

\begin{align*} y^{\prime } y-y&=-\frac {2 x}{9}+A +\frac {B}{\sqrt {x}} \\ \end{align*}

[_rational, [_Abel, ‘2nd type‘, ‘class B‘]]

195.842

\(794\)

13501

\begin{align*} y^{\prime } y-y&=\frac {A}{x}-\frac {A^{2}}{x^{3}} \\ \end{align*}

[_rational, [_Abel, ‘2nd type‘, ‘class B‘]]

52.861

\(795\)

13504

\begin{align*} y^{\prime } y-y&=-\frac {2 x}{9}+6 A^{2} \left (1+\frac {2 A}{\sqrt {x}}\right ) \\ \end{align*}

[_rational, [_Abel, ‘2nd type‘, ‘class B‘]]

142.803

\(796\)

13506

\begin{align*} y^{\prime } y-y&=\frac {4}{9} x +2 A \,x^{2}+2 A^{2} x^{3} \\ \end{align*}

[_rational, [_Abel, ‘2nd type‘, ‘class A‘]]

90.083

\(797\)

13508

\begin{align*} y^{\prime } y-y&=\frac {A}{x} \\ \end{align*}

[_rational, [_Abel, ‘2nd type‘, ‘class B‘]]

129.450

\(798\)

13514

\begin{align*} y^{\prime } y-y&=-\frac {9 x}{100}+\frac {A}{x^{{5}/{3}}} \\ \end{align*}

[_rational, [_Abel, ‘2nd type‘, ‘class B‘]]

136.084

\(799\)

13517

\begin{align*} y^{\prime } y-y&=-\frac {2 x}{9}+\frac {A}{\sqrt {x}} \\ \end{align*}

[_rational, [_Abel, ‘2nd type‘, ‘class B‘]]

112.157

\(800\)

13522

\begin{align*} y^{\prime } y-y&=\frac {A}{\sqrt {x}} \\ \end{align*}

[_rational, [_Abel, ‘2nd type‘, ‘class B‘]]

119.490

\(801\)

13532

\begin{align*} y^{\prime } y-y&=A \,x^{2}-\frac {9}{625 A} \\ \end{align*}

[_rational, [_Abel, ‘2nd type‘, ‘class A‘]]

88.698

\(802\)

13533

\begin{align*} y^{\prime } y-y&=-\frac {6}{25} x -A \,x^{2} \\ \end{align*}

[_rational, [_Abel, ‘2nd type‘, ‘class A‘]]

95.212

\(803\)

13534

\begin{align*} y^{\prime } y-y&=\frac {6}{25} x -A \,x^{2} \\ \end{align*}

[_rational, [_Abel, ‘2nd type‘, ‘class A‘]]

95.165

\(804\)

13554

\begin{align*} y^{\prime } y&=\left (a x +b \right ) y+1 \\ \end{align*}

[_rational, [_Abel, ‘2nd type‘, ‘class A‘]]

130.379

\(805\)

13555

\begin{align*} y^{\prime } y&=\frac {y}{\left (a x +b \right )^{2}}+1 \\ \end{align*}

[_rational, [_Abel, ‘2nd type‘, ‘class B‘]]

96.091

\(806\)

13556

\begin{align*} y^{\prime } y&=\left (a -\frac {1}{a x}\right ) y+1 \\ \end{align*}

[_rational, [_Abel, ‘2nd type‘, ‘class B‘]]

154.925

\(807\)

13560

\begin{align*} y^{\prime } y&=a \,{\mathrm e}^{\lambda x} y+1 \\ \end{align*}

[[_Abel, ‘2nd type‘, ‘class A‘]]

63.072

\(808\)

13569

\begin{align*} y^{\prime } y+x \left (a \,x^{2}+b \right ) y+x&=0 \\ \end{align*}

[_rational, [_Abel, ‘2nd type‘, ‘class A‘]]

228.819

\(809\)

13570

\begin{align*} y^{\prime } y+a \left (1-\frac {1}{x}\right ) y&=a^{2} \\ \end{align*}

[_rational, [_Abel, ‘2nd type‘, ‘class B‘]]

177.737

\(810\)

13571

\begin{align*} y^{\prime } y-a \left (1-\frac {b}{x}\right ) y&=a^{2} b \\ \end{align*}

[_rational, [_Abel, ‘2nd type‘, ‘class B‘]]

185.558

\(811\)

13573

\begin{align*} y^{\prime } y&=a \left (-n b +x \right ) x^{n -1} y+c \left (x^{2}-\left (1+2 n \right ) b x +n \left (n +1\right ) b^{2}\right ) x^{2 n -1} \\ \end{align*}

[_rational, [_Abel, ‘2nd type‘, ‘class A‘]]

384.433

\(812\)

13575

\begin{align*} y^{\prime } y-a \left (1-\frac {b}{\sqrt {x}}\right ) y&=\frac {a^{2} b}{\sqrt {x}} \\ \end{align*}

[_rational, [_Abel, ‘2nd type‘, ‘class B‘]]

219.747

\(813\)

13607

\begin{align*} y^{\prime } y&=\left (a \,{\mathrm e}^{\lambda x}+b \right ) y+c \left (a^{2} {\mathrm e}^{2 \lambda x}+a b \left (\lambda x +1\right ) {\mathrm e}^{\lambda x}+b^{2} \lambda x \right ) \\ \end{align*}

[[_Abel, ‘2nd type‘, ‘class A‘]]

271.728

\(814\)

13610

\begin{align*} y^{\prime } y+a \left (2 b x +1\right ) {\mathrm e}^{b x} y&=-a^{2} b \,x^{2} {\mathrm e}^{2 b x} \\ \end{align*}

[[_Abel, ‘2nd type‘, ‘class A‘]]

168.952

\(815\)

13632

\begin{align*} x \left (\left (m -1\right ) \left (A x +B \right ) y+m \left (d \,x^{2}+e x +F \right )\right ) y^{\prime }&=\left (A \left (1-n \right ) x -B n \right ) y^{2}+\left (d \left (2-n \right ) x^{2}+e \left (1-n \right ) x -F n \right ) y \\ \end{align*}

[_rational, [_Abel, ‘2nd type‘, ‘class B‘]]

968.244

\(816\)

13634

\begin{align*} \left (x y+a \,x^{n}+b \,x^{2}\right ) y^{\prime }&=y^{2}+c \,x^{n}+b x y \\ \end{align*}

[_rational, [_Abel, ‘2nd type‘, ‘class B‘]]

498.445

\(817\)

13638

\begin{align*} y^{\prime }&=-y^{3}+3 a^{2} x^{2} y-2 a^{3} x^{3}+a \\ \end{align*}

[_Abel]

47.571

\(818\)

13639

\begin{align*} y^{\prime }&=-y^{3}+\left (a x +b \right ) y^{2} \\ \end{align*}

[_Abel]

100.781

\(819\)

13640

\begin{align*} y^{\prime }&=-y^{3}+\frac {y^{2}}{\left (a x +b \right )^{2}} \\ \end{align*}

[_rational, _Abel]

64.329

\(820\)

13653

\begin{align*} x^{2} y^{\prime }&=y^{3}-3 y a^{2} x^{4}+2 a^{3} x^{6}+2 a \,x^{3} \\ \end{align*}

[_rational, _Abel]

21.972

\(821\)

13656

\begin{align*} y^{\prime }&=-y^{3}+a \,{\mathrm e}^{\lambda x} y^{2} \\ \end{align*}

[_Abel]

54.804

\(822\)

13657

\begin{align*} y^{\prime }&=-y^{3}+3 a^{2} {\mathrm e}^{2 \lambda x} y-2 a^{3} {\mathrm e}^{3 \lambda x}+a \lambda \,{\mathrm e}^{\lambda x} \\ \end{align*}

[_Abel]

26.172

\(823\)

13665

\begin{align*} y^{\prime \prime }-\left (a \,x^{2}+b \right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

12.537

\(824\)

13667

\begin{align*} y^{\prime \prime }-\left (a \,x^{2}+b c x \right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

9.876

\(825\)

13669

\begin{align*} y^{\prime \prime }-a \left (a \,x^{2 n}+n \,x^{n -1}\right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

10.545

\(826\)

13671

\begin{align*} y^{\prime \prime }+\left (a \,x^{2 n}+b \,x^{n -1}\right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

9.343

\(827\)

13674

\begin{align*} y^{\prime \prime }+a y^{\prime }-\left (b \,x^{2}+c \right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

21.259

\(828\)

13679

\begin{align*} y^{\prime \prime }+x y^{\prime }+\left (n -1\right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

20.625

\(829\)

13680

\begin{align*} 2 n y-2 x y^{\prime }+y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

17.754

\(830\)

13681

\begin{align*} b y+a x y^{\prime }+y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

18.812

\(831\)

13682

\begin{align*} y^{\prime \prime }+a x y^{\prime }+b x y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

15.999

\(832\)

13683

\begin{align*} y^{\prime \prime }+a x y^{\prime }+\left (b x +c \right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

16.698

\(833\)

13684

\begin{align*} y^{\prime \prime }+2 a x y^{\prime }+\left (b \,x^{4}+a^{2} x^{2}+c x +a \right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

32.225

\(834\)

13689

\begin{align*} y^{\prime \prime }+\left (a x +b \right ) y^{\prime }+\left (c x +d \right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

19.086

\(835\)

13690

\begin{align*} y^{\prime \prime }+\left (a x +b \right ) y^{\prime }+c \left (\left (a -c \right ) x^{2}+b x +1\right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

24.356

\(836\)

13692

\begin{align*} y^{\prime \prime }+\left (a x +b \right ) y^{\prime }+\left (\alpha \,x^{2}+\beta x +\gamma \right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

23.429

\(837\)

13706

\begin{align*} y^{\prime \prime }+a \,x^{n} y^{\prime }+b \,x^{n -1} y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

25.756

\(838\)

13708

\begin{align*} y^{\prime \prime }+a \,x^{n} y^{\prime }+\left (b \,x^{2 n}+c \,x^{n -1}\right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

20.087

\(839\)

13710

\begin{align*} y^{\prime \prime }+2 a \,x^{n} y^{\prime }+\left (a^{2} x^{2 n}+b \,x^{2 m}+a n \,x^{n -1}+c \,x^{m -1}\right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

28.461

\(840\)

13725

\begin{align*} x y^{\prime \prime }+a y^{\prime }+\left (b x +c \right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

25.345

\(841\)

13727

\begin{align*} x y^{\prime \prime }+\left (1-3 n \right ) y^{\prime }-a^{2} n^{2} x^{2 n -1} y&=0 \\ \end{align*}

[[_Emden, _Fowler]]

48.763

\(842\)

13731

\begin{align*} x y^{\prime \prime }+\left (-x +b \right ) y^{\prime }-a y&=0 \\ \end{align*}

[_Laguerre]

21.290

\(843\)

13732

\begin{align*} x y^{\prime \prime }+\left (a x +b \right ) y^{\prime }+c \left (\left (a -c \right ) x +b \right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

40.333

\(844\)

13734

\begin{align*} \left (a b x +a n +b m \right ) y+\left (m +n +x \left (a +b \right )\right ) y^{\prime }+x y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

27.638

\(845\)

13735

\begin{align*} x y^{\prime \prime }+\left (a x +b \right ) y^{\prime }+\left (c x +d \right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

36.851

\(846\)

13740

\begin{align*} x y^{\prime \prime }+\left (a b \,x^{2}+b -5\right ) y^{\prime }+2 a^{2} \left (b -2\right ) x^{3} y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

99.802

\(847\)

13746

\begin{align*} x y^{\prime \prime }+\left (a \,x^{2}+b x +2\right ) y^{\prime }+\left (c \,x^{2}+d x +b \right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

99.035

\(848\)

13754

\begin{align*} x y^{\prime \prime }+\left (x^{n}+1-n \right ) y^{\prime }+b \,x^{2 n -1} y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

55.185

\(849\)

13760

\begin{align*} x y^{\prime \prime }+\left (a \,x^{n}+b \right ) y^{\prime }+\left (c \,x^{2 n -1}+d \,x^{n -1}\right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

27.630

\(850\)

13767

\begin{align*} \left (a_{1} x +a_{0} \right ) y^{\prime \prime }+\left (b_{1} x +b_{0} \right ) y^{\prime }-m b_{1} y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

75.557

\(851\)

13768

\begin{align*} \left (a x +b \right ) y^{\prime \prime }+s \left (c x +d \right ) y^{\prime }-s^{2} \left (\left (a +c \right ) x +b +d \right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

79.864

\(852\)

13769

\begin{align*} \left (a_{2} x +b_{2} \right ) y^{\prime \prime }+\left (a_{1} x +b_{1} \right ) y^{\prime }+\left (a_{0} x +b_{0} \right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

94.395

\(853\)

13776

\begin{align*} x^{2} y^{\prime \prime }+\left (a \,x^{2}+b x +c \right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

14.129

\(854\)

13781

\begin{align*} x^{2} y^{\prime \prime }+\left (a \,x^{2 n}+b \,x^{n}+c \right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

13.954

\(855\)

13792

\begin{align*} x^{2} y^{\prime \prime }+\lambda x y^{\prime }+\left (a \,x^{2}+b x +c \right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

84.519

\(856\)

13794

\begin{align*} x^{2} y^{\prime \prime }+a x y^{\prime }+x^{n} \left (b \,x^{n}+c \right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

22.911

\(857\)

13795

\begin{align*} x^{2} y^{\prime \prime }+\left (a x +b \right ) y^{\prime }+c y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

28.383

\(858\)

13796

\begin{align*} x^{2} y^{\prime \prime }+a \,x^{2} y^{\prime }+\left (b \,x^{2}+c x +d \right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

22.009

\(859\)

13797

\begin{align*} x^{2} y^{\prime \prime }+\left (a \,x^{2}+b \right ) y^{\prime }+c \left (\left (a -c \right ) x^{2}+b \right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

98.886

\(860\)

13799

\begin{align*} x^{2} y^{\prime \prime }+\left (a \,x^{2}+b x \right ) y^{\prime }+\left (k \left (a -k \right ) x^{2}+\left (a n +b k -2 k n \right ) x +n \left (b -n -1\right )\right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

36.588

\(861\)

13800

\begin{align*} a_{2} x^{2} y^{\prime \prime }+\left (a_{1} x^{2}+b_{1} x \right ) y^{\prime }+\left (a_{0} x^{2}+b_{0} x +c_{0} \right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

102.091

\(862\)

13802

\begin{align*} x^{2} y^{\prime \prime }-2 x \left (x^{2}-a \right ) y^{\prime }+\left (2 n \,x^{2}+\left (\left (-1\right )^{n}-1\right ) a \right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

47.090

\(863\)

13807

\begin{align*} x^{2} y^{\prime \prime }+\left (a \,x^{n}+b \right ) y^{\prime } x +\left (\alpha \,x^{2 n}+\beta \,x^{n}+\gamma \right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

24.048

\(864\)

13808

\begin{align*} x^{2} y^{\prime \prime }+x \left (2 a \,x^{n}+b \right ) y^{\prime }+\left (a^{2} x^{2 n}+a \left (b +n -1\right ) x^{n}+\alpha \,x^{2 m}+\beta \,x^{m}+\gamma \right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

92.239

\(865\)

13810

\begin{align*} \left (-x^{2}+1\right ) y^{\prime \prime }+n \left (n -1\right ) y&=0 \\ \end{align*}

[_Gegenbauer]

20.255

\(866\)

13811

\begin{align*} \left (-a^{2}+x^{2}\right ) y^{\prime \prime }+b y^{\prime }-6 y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

67.998

\(867\)

13814

\begin{align*} n \left (n +1\right ) y-2 x y^{\prime }+\left (-x^{2}+1\right ) y^{\prime \prime }&=0 \\ \end{align*}

[_Gegenbauer]

109.110

\(868\)

13815

\begin{align*} \left (-x^{2}+1\right ) y^{\prime \prime }-2 x y^{\prime }+\nu \left (\nu +1\right ) y&=0 \\ \end{align*}

[_Gegenbauer]

103.031

\(869\)

13817

\begin{align*} \left (x^{2}-1\right ) y^{\prime \prime }+2 \left (n +1\right ) x y^{\prime }-\left (\nu +n +1\right ) \left (\nu -n \right ) y&=0 \\ \end{align*}

[_Gegenbauer]

68.237

\(870\)

13818

\begin{align*} \left (x^{2}-1\right ) y^{\prime \prime }-2 \left (n -1\right ) x y^{\prime }-\left (\nu -n +1\right ) \left (\nu +n \right ) y&=0 \\ \end{align*}

[_Gegenbauer]

67.632

\(871\)

13819

\begin{align*} \left (x^{2}-1\right ) y^{\prime \prime }+\left (2 a +1\right ) y^{\prime }-b \left (2 a +b \right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

161.178

\(872\)

13820

\begin{align*} \left (-x^{2}+1\right ) y^{\prime \prime }+\left (2 a -3\right ) x y^{\prime }+\left (n +1\right ) \left (n +2 a -1\right ) y&=0 \\ \end{align*}

[_Gegenbauer]

142.534

\(873\)

13821

\begin{align*} \left (-x^{2}+1\right ) y^{\prime \prime }+\left (\beta -\alpha -\left (\alpha +\beta +2\right ) x \right ) y^{\prime }+n \left (n +\alpha +\beta +1\right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

199.740

\(874\)

13822

\begin{align*} \left (-x^{2}+1\right ) y^{\prime \prime }+\left (\alpha -\beta +\left (\alpha +\beta -2\right ) x \right ) y^{\prime }+\left (n +1\right ) \left (n +\alpha +\beta \right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

211.809

\(875\)

13827

\begin{align*} \left (a \,x^{2}+b \right ) y^{\prime \prime }+\left (1+2 n \right ) a x y^{\prime }+c y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

586.213

\(876\)

13828

\begin{align*} \left (-x^{2}+1\right ) y^{\prime \prime }-x y^{\prime }+\left (2 a \,x^{2}+b \right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

35.435

\(877\)

13829

\begin{align*} \left (-x^{2}+1\right ) y^{\prime \prime }+\left (a x +b \right ) y^{\prime }+c y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

180.990

\(878\)

13830

\begin{align*} \left (a \,x^{2}+b \right ) y^{\prime \prime }+\left (c \,x^{2}+d \right ) y^{\prime }+\lambda \left (\left (-a \lambda +c \right ) x^{2}+d -\lambda b \right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

65.554

\(879\)

13831

\begin{align*} \left (a \,x^{2}+b \right ) y^{\prime \prime }+\left (\lambda \left (a +c \right ) x^{2}+\left (c -a \right ) x +2 \lambda b \right ) y^{\prime }+\lambda ^{2} \left (c \,x^{2}+b \right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

233.707

\(880\)

13832

\begin{align*} x \left (-1+x \right ) y^{\prime \prime }+\left (\left (\alpha +\beta +1\right ) x -\gamma \right ) y^{\prime }+\alpha \beta y&=0 \\ \end{align*}

[_Jacobi]

236.538

\(881\)

13833

\begin{align*} x \left (x +a \right ) y^{\prime \prime }+\left (b x +c \right ) y^{\prime }+d y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

182.941

\(882\)

13834

\begin{align*} 2 x \left (-1+x \right ) y^{\prime \prime }+\left (2 x -1\right ) y^{\prime }+\left (a x +b \right ) y&=0 \\ \end{align*}

[_Jacobi]

53.193

\(883\)

13840

\begin{align*} \left (a_{2} x^{2}+b_{2} x +c_{2} \right ) y^{\prime \prime }+\left (b_{1} x +c_{1} \right ) y^{\prime }+c_{0} y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

227.713

\(884\)

13841

\begin{align*} \left (a \,x^{2}+b x +c \right ) y^{\prime \prime }-\left (-k^{2}+x^{2}\right ) y^{\prime }+\left (k +x \right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

253.360

\(885\)

13842

\begin{align*} \left (a \,x^{2}+b x +c \right ) y^{\prime \prime }+\left (k^{3}+x^{3}\right ) y^{\prime }-\left (k^{2}-k x +x^{2}\right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

226.983

\(886\)

13844

\begin{align*} x^{3} y^{\prime \prime }+\left (a \,x^{2}+b \right ) y^{\prime }+c x y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

148.695

\(887\)

13845

\begin{align*} x^{3} y^{\prime \prime }+\left (a \,x^{2}+b x \right ) y^{\prime }+b y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

127.147

\(888\)

13846

\begin{align*} x^{3} y^{\prime \prime }+\left (a \,x^{2}+b x \right ) y^{\prime }+c y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

74.742

\(889\)

13847

\begin{align*} x^{3} y^{\prime \prime }+\left (a \,x^{2}+b x \right ) y^{\prime }+\left (c x +d \right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

85.230

\(890\)

13848

\begin{align*} x^{3} y^{\prime \prime }+\left (a \,x^{3}+a b x -x^{2}+b \right ) y^{\prime }+y a^{2} b x&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

164.501

\(891\)

13851

\begin{align*} x \left (x^{2}+a \right ) y^{\prime \prime }+\left (b \,x^{2}+c \right ) y^{\prime }+s x y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

227.711

\(892\)

13852

\begin{align*} x^{2} \left (a x +b \right ) y^{\prime \prime }+\left (c \,x^{2}+\left (a \lambda +2 b \right ) x +\lambda b \right ) y^{\prime }+\lambda \left (c -2 a \right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

251.337

\(893\)

13855

\begin{align*} x^{2} \left (x +a_{2} \right ) y^{\prime \prime }+x \left (b_{1} x +a_{1} \right ) y^{\prime }+\left (b_{0} x +a_{0} \right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

211.621

\(894\)

13856

\begin{align*} \left (a \,x^{3}+b \,x^{2}+c x \right ) y^{\prime \prime }+\left (\alpha \,x^{2}+\beta x +2 c \right ) y^{\prime }+\left (\beta -2 b \right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

322.503

\(895\)

13857

\begin{align*} \left (a \,x^{3}+b \,x^{2}+c x \right ) y^{\prime \prime }+\left (\alpha \,x^{2}+\beta x +2 c \right ) y^{\prime }-\left (\alpha x +2 b -\beta \right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

261.685

\(896\)

13858

\begin{align*} \left (a \,x^{3}+b \,x^{2}+c x \right ) y^{\prime \prime }+\left (-2 a \,x^{2}-\left (b +1\right ) x +k \right ) y^{\prime }+2 \left (a x +1\right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

306.194

\(897\)

13864

\begin{align*} x \left (-1+x \right ) \left (x -a \right ) y^{\prime \prime }+\left (\left (\alpha +\beta +1\right ) x^{2}-\left (\alpha +\beta +1+a \left (\gamma +d \right )-a \right ) x +a \gamma \right ) y^{\prime }+\left (\alpha \beta x -q \right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

430.402

\(898\)

13869

\begin{align*} \left (a \,x^{3}+b \,x^{2}+c x +d \right ) y^{\prime \prime }+\left (\lambda ^{3}+x^{3}\right ) y^{\prime }-\left (\lambda ^{2}-\lambda x +x^{2}\right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

1014.590

\(899\)

13878

\begin{align*} a \,x^{2} \left (-1+x \right )^{2} y^{\prime \prime }+\left (b \,x^{2}+c x +d \right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

22.196

\(900\)

13879

\begin{align*} x^{2} \left (x^{2}+a \right ) y^{\prime \prime }+\left (b \,x^{2}+c \right ) x y^{\prime }+d y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

202.945

\(901\)

13886

\begin{align*} \left (x^{2}-1\right )^{2} y^{\prime \prime }+2 x \left (x^{2}-1\right ) y^{\prime }-\left (\nu \left (\nu +1\right ) \left (x^{2}-1\right )+n^{2}\right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

111.180

\(902\)

13887

\begin{align*} \left (-x^{2}+1\right )^{2} y^{\prime \prime }-2 x \left (-x^{2}+1\right ) y^{\prime }+\left (\nu \left (\nu +1\right ) \left (-x^{2}+1\right )-\mu ^{2}\right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

107.061

\(903\)

13888

\begin{align*} a \left (x^{2}-1\right )^{2} y^{\prime \prime }+b x \left (x^{2}-1\right ) y^{\prime }+\left (c \,x^{2}+d x +e \right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

123.331

\(904\)

13896

\begin{align*} \left (x^{2}-1\right )^{2} y^{\prime \prime }+2 x \left (x^{2}-1\right ) y^{\prime }+\left (\left (x^{2}-1\right ) \left (a^{2} x^{2}-\lambda \right )-m^{2}\right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

111.373

\(905\)

13897

\begin{align*} \left (x^{2}+1\right )^{2} y^{\prime \prime }+2 x \left (x^{2}+1\right ) y^{\prime }+\left (\left (x^{2}+1\right ) \left (a^{2} x^{2}-\lambda \right )+m^{2}\right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

97.426

\(906\)

13911

\begin{align*} x \left (x^{n}+1\right ) y^{\prime \prime }+\left (\left (a -b \right ) x^{n}+a -n \right ) y^{\prime }+b \left (1-a \right ) x^{n -1} y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

102.291

\(907\)

13912

\begin{align*} x \left (x^{2 n}+a \right ) y^{\prime \prime }+\left (x^{2 n}+a -a n \right ) y^{\prime }-b^{2} x^{2 n -1} y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries], [_2nd_order, _linear, ‘_with_symmetry_[0,F(x)]‘]]

233.941

\(908\)

13913

\begin{align*} x^{2} \left (a^{2} x^{2 n}-1\right ) y^{\prime \prime }+x \left (a^{2} \left (n +1\right ) x^{2 n}+n -1\right ) y^{\prime }-\nu \left (\nu +1\right ) a^{2} n^{2} x^{2 n} y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

152.894

\(909\)

13916

\begin{align*} \left (a \,x^{n}+b \right )^{2} y^{\prime \prime }+\left (a \,x^{n}+b \right ) \left (c \,x^{n}+d \right ) y^{\prime }+n \left (-a d +b c \right ) x^{n -1} y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

56.779

\(910\)

13919

\begin{align*} x^{2} \left (a \,x^{n}+b \right )^{2} y^{\prime \prime }+\left (n +1\right ) x \left (a^{2} x^{2 n}-b^{2}\right ) y^{\prime }+c y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

239.073

\(911\)

13927

\begin{align*} y^{\prime \prime }+a \left (\lambda \,{\mathrm e}^{\lambda x}-a \,{\mathrm e}^{2 \lambda x}\right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

18.507

\(912\)

13928

\begin{align*} y^{\prime \prime }-\left (a^{2} {\mathrm e}^{2 x}+a \left (2 b +1\right ) {\mathrm e}^{x}+b^{2}\right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

8.837

\(913\)

13929

\begin{align*} y^{\prime \prime }-\left (a \,{\mathrm e}^{2 \lambda x}+b \,{\mathrm e}^{\lambda x}+c \right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

8.374

\(914\)

13930

\begin{align*} y^{\prime \prime }+\left (a \,{\mathrm e}^{4 \lambda x}+b \,{\mathrm e}^{3 \lambda x}+c \,{\mathrm e}^{2 \lambda x}-\frac {\lambda ^{2}}{4}\right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

8.634

\(915\)

13935

\begin{align*} y^{\prime \prime }-y^{\prime }+\left (a \,{\mathrm e}^{3 \lambda x}+b \,{\mathrm e}^{2 \lambda x}+\frac {1}{4}-\frac {\lambda ^{2}}{4}\right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

18.850

\(916\)

13938

\begin{align*} y^{\prime \prime }+\left (a +b \right ) {\mathrm e}^{\lambda x} y^{\prime }+a \,{\mathrm e}^{\lambda x} \left (b \,{\mathrm e}^{\lambda x}+\lambda \right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

28.249

\(917\)

13942

\begin{align*} y^{\prime \prime }+\left (a \,{\mathrm e}^{2 \lambda x}+\lambda \right ) y^{\prime }-a \lambda \,{\mathrm e}^{2 \lambda x} y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

28.733

\(918\)

13944

\begin{align*} y^{\prime \prime }+\left (a \,{\mathrm e}^{\lambda x}+b \right ) y^{\prime }+c \left (a \,{\mathrm e}^{\lambda x}+b -c \right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

30.552

\(919\)

13946

\begin{align*} y^{\prime \prime }+\left (a +b \,{\mathrm e}^{\lambda x}+b -3 \lambda \right ) y^{\prime }+a^{2} \lambda \left (b -\lambda \right ) {\mathrm e}^{2 \lambda x} y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

32.253

\(920\)

13949

\begin{align*} y^{\prime \prime }+\left (a \,{\mathrm e}^{\lambda x}+2 b -\lambda \right ) y^{\prime }+\left (c \,{\mathrm e}^{2 \lambda x}+a \,{\mathrm e}^{\lambda x} b +b^{2}-\lambda b \right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

45.439

\(921\)

13950

\begin{align*} y^{\prime \prime }+\left (a \,{\mathrm e}^{x}+b \right ) y^{\prime }+\left (c \left (a -c \right ) {\mathrm e}^{2 x}+\left (a k +b c -2 c k +c \right ) {\mathrm e}^{x}+k \left (b -k \right )\right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

48.794

\(922\)

13951

\begin{align*} y^{\prime \prime }+\left (a \,{\mathrm e}^{\lambda x}+b \right ) y^{\prime }+\left (\alpha \,{\mathrm e}^{2 \lambda x}+\beta \,{\mathrm e}^{\lambda x}+\gamma \right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

19.632

\(923\)

13964

\begin{align*} \left (a \,{\mathrm e}^{\lambda x}+b \right ) y^{\prime \prime }+\left (c \,{\mathrm e}^{\lambda x}+d \right ) y^{\prime }+k \left (\left (-a k +c \right ) {\mathrm e}^{\lambda x}+d -b k \right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

49.046

\(924\)

13965

\begin{align*} \left (a \,{\mathrm e}^{\lambda x}+b \right ) y^{\prime \prime }+\left (c \,{\mathrm e}^{\lambda x}+d \right ) y^{\prime }+\left (n \,{\mathrm e}^{\lambda x}+m \right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

19.210

\(925\)

14035

\begin{align*} \left (y^{2}+x^{2}\right ) \left (y^{\prime } y+x \right )&=\left (x^{2}+y^{2}+x \right ) \left (-y+x y^{\prime }\right ) \\ \end{align*}

[_rational]

34.281

\(926\)

14139

\begin{align*} 4 x^{2} y^{\prime \prime }+4 x^{3} y^{\prime }+\left (x^{2}+1\right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

89.591

\(927\)

14165

\begin{align*} -2 y+2 x y^{\prime }-x^{2} y^{\prime \prime }+\left (x^{2}-2 x +2\right ) y^{\prime \prime \prime }&=0 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.136

\(928\)

14166

\begin{align*} y-x y^{\prime }-y^{\prime \prime }+x y^{\prime \prime \prime }&=-x^{2}+1 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.135

\(929\)

14171

\begin{align*} 2 x^{3} y y^{\prime \prime \prime }+6 x^{3} y^{\prime } y^{\prime \prime }+18 x^{2} y y^{\prime \prime }+18 {y^{\prime }}^{2} x^{2}+36 x y y^{\prime }+6 y^{2}&=0 \\ \end{align*}

[[_3rd_order, _exact, _nonlinear], [_3rd_order, _with_linear_symmetries]]

0.154

\(930\)

14173

\begin{align*} x^{2} y^{\prime \prime \prime }-5 x y^{\prime \prime }+\left (4 x^{4}+5\right ) y^{\prime }-8 x^{3} y&=0 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.151

\(931\)

14175

\begin{align*} \left (-y+x y^{\prime }\right )^{2}+x^{2} y y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries], [_2nd_order, _reducible, _mu_y_y1], [_2nd_order, _reducible, _mu_xy]]

0.835

\(932\)

14176

\begin{align*} x^{3} y^{\prime \prime }-\left (-y+x y^{\prime }\right )^{2}&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries], [_2nd_order, _reducible, _mu_xy]]

2.904

\(933\)

14177

\begin{align*} y y^{\prime \prime }-{y^{\prime }}^{2}&=\ln \left (y\right ) y^{2}-x^{2} y^{2} \\ \end{align*}

[[_2nd_order, _reducible, _mu_xy]]

0.722

\(934\)

14246

\begin{align*} x x^{\prime }&=1-t x \\ \end{align*}

[_rational, [_Abel, ‘2nd type‘, ‘class A‘]]

215.102

\(935\)

14558

\begin{align*} y^{\prime \prime }+x y^{\prime }+x^{2} y&=0 \\ y \left (1\right ) &= 0 \\ y^{\prime }\left (1\right ) &= 0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

22.126

\(936\)

14832

\begin{align*} t^{3} x^{\prime \prime \prime }-\left (t +3\right ) t^{2} x^{\prime \prime }+2 t \left (t +3\right ) x^{\prime }-2 \left (t +3\right ) x&=0 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.144

\(937\)

14841

\begin{align*} \left (t^{4}+t^{2}\right ) x^{\prime \prime }+2 t^{3} x^{\prime }+3 x&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

134.351

\(938\)

14842

\begin{align*} x^{\prime \prime }-\tan \left (t \right ) x^{\prime }+x&=0 \\ \end{align*}

[_Lienard]

21.165

\(939\)

14870

\begin{align*} x^{\prime }&=x-x^{2} \\ y^{\prime }&=2 y-y^{2} \\ \end{align*}

system_of_ODEs

0.077

\(940\)

15114

\begin{align*} x^{\prime }&=y \\ y^{\prime }&=\frac {y^{2}}{x} \\ \end{align*}

system_of_ODEs

0.077

\(941\)

15126

\begin{align*} y^{\prime \prime \prime }+x y&=\sin \left (x \right ) \\ \end{align*}

[[_3rd_order, _linear, _nonhomogeneous]]

0.127

\(942\)

15127

\begin{align*} y^{\prime \prime }+y^{\prime } y&=1 \\ \end{align*}

[[_2nd_order, _missing_x], [_2nd_order, _exact, _nonlinear], [_2nd_order, _reducible, _mu_x_y1], [_2nd_order, _reducible, _mu_xy]]

519.237

\(943\)

15130

\begin{align*} y^{\prime \prime \prime }+x y&=\cosh \left (x \right ) \\ \end{align*}

[[_3rd_order, _linear, _nonhomogeneous]]

0.141

\(944\)

15132

\begin{align*} y^{\prime \prime \prime }+x y&=\cosh \left (x \right ) \\ \end{align*}

[[_3rd_order, _linear, _nonhomogeneous]]

0.137

\(945\)

15137

\begin{align*} 2 y^{\prime \prime }+3 y^{\prime }+4 x^{2} y&=1 \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

26.210

\(946\)

15156

\begin{align*} y^{\prime \prime }-\left (-1+x \right ) y^{\prime }+x^{2} y&=\tan \left (x \right ) \\ y \left (0\right ) &= 0 \\ y^{\prime }\left (0\right ) &= 0 \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

44.778

\(947\)

15158

\begin{align*} x^{2} y^{\prime \prime }-4 x^{2} y^{\prime }+\left (x^{2}+1\right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

28.412

\(948\)

15165

\begin{align*} x^{2} y^{\prime \prime }+x^{2} y^{\prime }+2 \left (1-x \right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

21.147

\(949\)

15256

\begin{align*} y^{\prime \prime }+3 y^{\prime }+\frac {y}{t}&=t \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

37.461

\(950\)

15258

\begin{align*} t^{3} y^{\prime \prime }-2 t y^{\prime }+y&=t^{4} \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

74.017

\(951\)

15319

\begin{align*} n \left (n +1\right ) y-2 x y^{\prime }+\left (-x^{2}+1\right ) y^{\prime \prime }&=0 \\ \end{align*}

[_Gegenbauer]

103.379

\(952\)

15733

\begin{align*} y_{1}^{\prime }&=\frac {2 y_{1}}{x}-\frac {y_{2}}{x^{2}}-3+\frac {1}{x}-\frac {1}{x^{2}} \\ y_{2}^{\prime }&=2 y_{1}+1-6 x \\ \end{align*}

With initial conditions

\begin{align*} y_{1} \left (1\right ) &= -2 \\ y_{2} \left (1\right ) &= -5 \\ \end{align*}

system_of_ODEs

0.123

\(953\)

15734

\begin{align*} y_{1}^{\prime }&=\frac {5 y_{1}}{x}+\frac {4 y_{2}}{x}-2 x \\ y_{2}^{\prime }&=-\frac {6 y_{1}}{x}-\frac {5 y_{2}}{x}+5 x \\ \end{align*}

With initial conditions

\begin{align*} y_{1} \left (-1\right ) &= 3 \\ y_{2} \left (-1\right ) &= -3 \\ \end{align*}

system_of_ODEs

0.123

\(954\)

15754

\begin{align*} y_{1}^{\prime }&=\frac {5 y_{1}}{x}+\frac {4 y_{2}}{x} \\ y_{2}^{\prime }&=-\frac {6 y_{1}}{x}-\frac {5 y_{2}}{x} \\ \end{align*}

system_of_ODEs

0.112

\(955\)

15755

\begin{align*} y_{1}^{\prime }&=\frac {5 y_{1}}{x}+\frac {4 y_{2}}{x}-2 x \\ y_{2}^{\prime }&=-\frac {6 y_{1}}{x}-\frac {5 y_{2}}{x}+5 x \\ \end{align*}

system_of_ODEs

0.120

\(956\)

16435

\begin{align*} y^{\prime \prime }+x^{2} y^{\prime }-4 y&=x^{3} \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

47.990

\(957\)

16436

\begin{align*} y^{\prime \prime }+x^{2} y^{\prime }-4 y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

19.656

\(958\)

16437

\begin{align*} y^{\prime \prime }+x^{2} y^{\prime }&=4 y \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

19.470

\(959\)

16932

\begin{align*} x^{\prime } t +2 x&=15 y \\ t y^{\prime }&=x \\ \end{align*}

system_of_ODEs

0.111

\(960\)

17824

\begin{align*} x^{\prime }&=x^{2} \\ y^{\prime }&={\mathrm e}^{t} \\ \end{align*}

system_of_ODEs

0.106

\(961\)

17847

\begin{align*} y^{\prime }&=\sin \left (x y\right ) \\ y \left (0\right ) &= 0 \\ \end{align*}

[‘y=_G(x,y’)‘]

5.167

\(962\)

17957

\begin{align*} y^{\prime }-2 y \,{\mathrm e}^{x}&=2 \sqrt {y \,{\mathrm e}^{x}} \\ \end{align*}

[[_1st_order, ‘_with_symmetry_[F(x),G(x)*y+H(x)]‘]]

92.092

\(963\)

17963

\begin{align*} y^{\prime }&=y \left ({\mathrm e}^{x}+\ln \left (y\right )\right ) \\ \end{align*}

[[_1st_order, ‘_with_symmetry_[F(x),G(x)*y+H(x)]‘]]

47.537

\(964\)

17966

\begin{align*} y^{\prime }+x \sin \left (2 y\right )&=2 x \,{\mathrm e}^{-x^{2}} \cos \left (y\right )^{2} \\ \end{align*}

[‘y=_G(x,y’)‘]

77.393

\(965\)

18284

\begin{align*} y-2 y^{\prime }+y^{\prime \prime }&=4 \,{\mathrm e}^{-x} \\ y \left (\infty \right ) &= 0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

104.067

\(966\)

18402

\begin{align*} x_{1}^{\prime }&=-2 t x_{1}^{2} \\ x_{2}^{\prime }&=\frac {x_{2}+t}{t} \\ \end{align*}

system_of_ODEs

0.099

\(967\)

18403

\begin{align*} x_{1}^{\prime }&={\mathrm e}^{t -x_{1}} \\ x_{2}^{\prime }&=2 \,{\mathrm e}^{x_{1}} \\ \end{align*}

system_of_ODEs

0.098

\(968\)

18404

\begin{align*} x^{\prime }&=y \\ y^{\prime }&=\frac {y^{2}}{x} \\ \end{align*}

system_of_ODEs

0.102

\(969\)

18405

\begin{align*} x_{1}^{\prime }&=\frac {x_{1}^{2}}{x_{2}} \\ x_{2}^{\prime }&=-x_{1}+x_{2} \\ \end{align*}

system_of_ODEs

0.109

\(970\)

18406

\begin{align*} x^{\prime }&=\frac {{\mathrm e}^{-x}}{t} \\ y^{\prime }&=\frac {x \,{\mathrm e}^{-y}}{t} \\ \end{align*}

system_of_ODEs

0.090

\(971\)

18408

\begin{align*} x^{\prime }&=\frac {t -y}{-x+y} \\ y^{\prime }&=\frac {x-t}{-x+y} \\ \end{align*}

system_of_ODEs

0.112

\(972\)

18417

\begin{align*} x^{\prime \prime }&=y \\ y^{\prime \prime }&=x \\ \end{align*}

system_of_ODEs

0.127

\(973\)

18418

\begin{align*} x^{\prime \prime }+y^{\prime }+x&=0 \\ x^{\prime }+y^{\prime \prime }&=0 \\ \end{align*}

system_of_ODEs

0.188

\(974\)

18419

\begin{align*} x^{\prime \prime }&=3 x+y \\ y^{\prime }&=-2 x \\ \end{align*}

system_of_ODEs

0.116

\(975\)

18421

\begin{align*} x^{\prime }&=x^{2}+y^{2} \\ y^{\prime }&=2 x y \\ \end{align*}

system_of_ODEs

0.112

\(976\)

18422

\begin{align*} x^{\prime }&=-\frac {1}{y} \\ y^{\prime }&=\frac {1}{x} \\ \end{align*}

system_of_ODEs

0.088

\(977\)

18423

\begin{align*} x^{\prime }&=\frac {x}{y} \\ y^{\prime }&=\frac {y}{x} \\ \end{align*}

system_of_ODEs

0.096

\(978\)

18424

\begin{align*} x^{\prime }&=\frac {y}{x-y} \\ y^{\prime }&=\frac {x}{x-y} \\ \end{align*}

system_of_ODEs

0.102

\(979\)

18425

\begin{align*} x^{\prime }&=\sin \left (x\right ) \cos \left (y\right ) \\ y^{\prime }&=\cos \left (x\right ) \sin \left (y\right ) \\ \end{align*}

system_of_ODEs

0.105

\(980\)

18426

\begin{align*} {\mathrm e}^{t} x^{\prime }&=\frac {1}{y} \\ {\mathrm e}^{t} y^{\prime }&=\frac {1}{x} \\ \end{align*}

system_of_ODEs

0.106

\(981\)

18439

\begin{align*} x^{\prime }&=-4 x-2 y+\frac {2}{{\mathrm e}^{t}-1} \\ y^{\prime }&=6 x+3 y-\frac {3}{{\mathrm e}^{t}-1} \\ \end{align*}

system_of_ODEs

0.111

\(982\)

18631

\begin{align*} x^{\prime }&=-2 t x+y \\ y^{\prime }&=3 x-y \\ \end{align*}

system_of_ODEs

0.095

\(983\)

18634

\begin{align*} x^{\prime }&=-x+t y \\ y^{\prime }&=t x-y \\ \end{align*}

system_of_ODEs

0.090

\(984\)

18705

\begin{align*} x^{\prime }&=-x+y+x^{2} \\ y^{\prime }&=y-2 x y \\ \end{align*}

system_of_ODEs

0.109

\(985\)

18706

\begin{align*} x^{\prime }&=2 y \,x^{2}-3 x^{2}-4 y \\ y^{\prime }&=-2 x \,y^{2}+6 x y \\ \end{align*}

system_of_ODEs

0.092

\(986\)

18707

\begin{align*} x^{\prime }&=3 x-x^{2} \\ y^{\prime }&=2 x y-3 y+2 \\ \end{align*}

system_of_ODEs

0.112

\(987\)

18708

\begin{align*} x^{\prime }&=x-x y \\ y^{\prime }&=y+2 x y \\ \end{align*}

system_of_ODEs

0.087

\(988\)

18714

\begin{align*} x^{\prime }&=-x+2 x y \\ y^{\prime }&=y-x^{2}-y^{2} \\ \end{align*}

system_of_ODEs

0.108

\(989\)

18720

\begin{align*} \left (-x^{2}+1\right ) y^{\prime \prime }-2 x y^{\prime }+\alpha \left (\alpha +1\right ) y&=0 \\ \end{align*}

[_Gegenbauer]

114.069

\(990\)

18731

\begin{align*} \left (t -1\right ) y^{\prime \prime }-3 t y^{\prime }+4 y&=\sin \left (t \right ) \\ y \left (-2\right ) &= 2 \\ y^{\prime }\left (-2\right ) &= 1 \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

64.313

\(991\)

18732

\begin{align*} t \left (t -4\right ) y^{\prime \prime }+3 t y^{\prime }+4 y&=2 \\ y \left (3\right ) &= 0 \\ y^{\prime }\left (3\right ) &= -1 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

138.981

\(992\)

19061

\begin{align*} x^{\prime }&=-2 y+x y \\ y^{\prime }&=x+4 x y \\ \end{align*}

system_of_ODEs

0.127

\(993\)

19062

\begin{align*} x^{\prime }&=1+5 y \\ y^{\prime }&=1-6 x^{2} \\ \end{align*}

system_of_ODEs

0.090

\(994\)

19107

\begin{align*} \left (x^{2}-x^{3}+3 x y^{2}+2 y^{3}\right ) y^{\prime }+2 x^{3}+3 x^{2} y+y^{2}-y^{3}&=0 \\ \end{align*}

[_rational]

50.277

\(995\)

19151

\begin{align*} n \,x^{3} y^{\prime \prime }&=\left (y-x y^{\prime }\right )^{2} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries], [_2nd_order, _reducible, _mu_xy]]

4.960

\(996\)

19152

\begin{align*} y^{2} \left (x^{2} y^{\prime \prime }-x y^{\prime }+y\right )&=x^{3} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

2.562

\(997\)

19153

\begin{align*} x^{2} y^{2} y^{\prime \prime }-3 x y^{2} y^{\prime }+4 y^{3}+x^{6}&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

1.900

\(998\)

19158

\begin{align*} x^{2} y y^{\prime \prime }+{y^{\prime }}^{2} x^{2}-5 x y y^{\prime }&=4 y^{2} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries], [_2nd_order, _reducible, _mu_xy]]

1.856

\(999\)

19161

\begin{align*} 40 {y^{\prime \prime \prime }}^{3}-45 y^{\prime \prime } y^{\prime \prime \prime } y^{\prime \prime \prime \prime }+9 {y^{\prime \prime }}^{2} y^{\left (5\right )}&=0 \\ \end{align*}

[[_high_order, _missing_x], [_high_order, _missing_y], [_high_order, _with_linear_symmetries]]

0.794

\(1000\)

19166

\begin{align*} n \left (n +1\right ) y-2 x y^{\prime }+\left (-x^{2}+1\right ) y^{\prime \prime }&=0 \\ \end{align*}

[_Gegenbauer]

102.416

\(1001\)

19170

\begin{align*} -y+x y^{\prime }-y^{\prime \prime }+x y^{\prime \prime \prime }&=0 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.144

\(1002\)

19174

\begin{align*} -2 x y+y^{\prime } \left (x^{2}+2\right )-2 x y^{\prime \prime }+\left (x^{2}+2\right ) y^{\prime \prime \prime }&=x^{4}+12 \\ \end{align*}

[[_3rd_order, _linear, _nonhomogeneous]]

0.161

\(1003\)

19177

\begin{align*} y^{\prime \prime }+\frac {y}{x^{2} \ln \left (x \right )}&={\mathrm e}^{x} \left (\frac {2}{x}+\ln \left (x \right )\right ) \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

13.708

\(1004\)

19211

\begin{align*} y^{\prime }&=\frac {y^{2}}{z} \\ z^{\prime }&=\frac {y}{2} \\ \end{align*}

system_of_ODEs

0.081

\(1005\)

19212

\begin{align*} y^{\prime }&=1-\frac {1}{z} \\ z^{\prime }&=\frac {1}{-x +y} \\ \end{align*}

system_of_ODEs

0.092

\(1006\)

19216

\begin{align*} y^{\prime }&=\frac {z^{2}}{y} \\ z^{\prime }&=\frac {y^{2}}{z} \\ \end{align*}

system_of_ODEs

0.078

\(1007\)

19217

\begin{align*} y^{\prime }&=\frac {y^{2}}{z} \\ z^{\prime }&=\frac {z^{2}}{y} \\ \end{align*}

system_of_ODEs

0.078

\(1008\)

19221

\begin{align*} y^{\prime \prime }+z^{\prime }-2 z&={\mathrm e}^{2 x} \\ z^{\prime }+2 y^{\prime }-3 y&=0 \\ \end{align*}

system_of_ODEs

0.161

\(1009\)

19223

\begin{align*} y^{\prime }+\frac {2 z}{x^{2}}&=1 \\ z^{\prime }+y&=x \\ \end{align*}

system_of_ODEs

0.076

\(1010\)

19224

\begin{align*} x^{\prime } t -x-3 y&=t \\ t y^{\prime }-x+y&=0 \\ \end{align*}

system_of_ODEs

0.081

\(1011\)

19225

\begin{align*} x^{\prime } t +6 x-y-3 z&=0 \\ t y^{\prime }+23 x-6 y-9 z&=0 \\ z^{\prime } t +x+y-2 z&=0 \\ \end{align*}

system_of_ODEs

0.117

\(1012\)

19493

\begin{align*} y^{\prime \prime }+3 x y^{\prime }+x^{2} y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

47.856

\(1013\)

19702

\begin{align*} x^{2} y^{\prime \prime }-\frac {x^{2} {y^{\prime }}^{2}}{2 y}+4 x y^{\prime }+4 y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries], [_2nd_order, _reducible, _mu_xy]]

3.383

\(1014\)

19705

\begin{align*} \cos \left (x \right ) y^{\prime }+\sin \left (x \right ) y^{\prime \prime }+n y \sin \left (x \right )&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

30.323

\(1015\)

19998

\begin{align*} \left (-y+x y^{\prime }\right )^{2}&=a \left (1+{y^{\prime }}^{2}\right ) \left (y^{2}+x^{2}\right )^{{3}/{2}} \\ \end{align*}

[[_1st_order, _with_linear_symmetries]]

684.507

\(1016\)

19999

\begin{align*} \left (-y+x y^{\prime }\right )^{2}&={y^{\prime }}^{2}-\frac {2 y y^{\prime }}{x}+1 \\ \end{align*}

[_rational, [_1st_order, ‘_with_symmetry_[F(x),G(x)*y+H(x)]‘]]

509.422

\(1017\)

20100

\begin{align*} \left (5+2 x \right )^{2} y^{\prime \prime }-6 \left (5-2 x \right ) y^{\prime }+8 y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

115.020

\(1018\)

20108

\begin{align*} 16 \left (1+x \right )^{4} y^{\prime \prime \prime \prime }+96 \left (1+x \right )^{3} y^{\prime \prime \prime }+104 \left (1+x \right )^{2} y^{\prime \prime }+8 \left (1+x \right ) y^{\prime }+y&=x^{2}+4 x +3 \\ \end{align*}

[[_high_order, _with_linear_symmetries]]

0.240

\(1019\)

20120

\begin{align*} \sqrt {x}\, y^{\prime \prime }+2 x y^{\prime }+3 y&=x \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

58.093

\(1020\)

20191

\begin{align*} y^{\prime \prime }-2 b y^{\prime }+b^{2} x^{2} y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

45.703

\(1021\)

20196

\begin{align*} x^{2} y^{\prime \prime \prime }+x^{2} y^{\prime \prime }-2 x y^{\prime }+2 y&=0 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.185

\(1022\)

20202

\begin{align*} \left (-y+x y^{\prime }\right )^{2}+x^{2} y y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries], [_2nd_order, _reducible, _mu_y_y1], [_2nd_order, _reducible, _mu_xy]]

0.687

\(1023\)

20209

\begin{align*} x^{\prime \prime }-3 x-4 y&=0 \\ x+y^{\prime \prime }+y&=0 \\ \end{align*}

system_of_ODEs

0.147

\(1024\)

20274

\begin{align*} y^{\prime }-\frac {\tan \left (y\right )}{1+x}&=\left (1+x \right ) {\mathrm e}^{x} \sec \left (y\right ) \\ \end{align*}

[‘y=_G(x,y’)‘]

71.453

\(1025\)

20318

\begin{align*} y^{\prime }&={\mathrm e}^{x -y} \left ({\mathrm e}^{x}-{\mathrm e}^{y}\right ) \\ \end{align*}

[[_1st_order, ‘_with_symmetry_[F(x),G(x)]‘]]

31.893

\(1026\)

20430

\begin{align*} \left (-y+x y^{\prime }\right )^{2}&=a \left (1+{y^{\prime }}^{2}\right ) \left (y^{2}+x^{2}\right )^{{3}/{2}} \\ \end{align*}

[[_1st_order, _with_linear_symmetries]]

682.009

\(1027\)

20433

\begin{align*} \left (-y+x y^{\prime }\right )^{2}&={y^{\prime }}^{2}-\frac {2 y y^{\prime }}{x}+1 \\ \end{align*}

[_rational, [_1st_order, ‘_with_symmetry_[F(x),G(x)*y+H(x)]‘]]

521.882

\(1028\)

20529

\begin{align*} 3 x y+y^{\prime } \left (x^{2}+2\right )+4 x y^{\prime \prime }+x^{2} y^{\prime \prime \prime }&=2 \\ \end{align*}

[[_3rd_order, _linear, _nonhomogeneous]]

0.158

\(1029\)

20584

\begin{align*} 2 x^{2} y y^{\prime \prime }+y^{2}&={y^{\prime }}^{2} x^{2} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries], [_2nd_order, _reducible, _mu_xy]]

1.342

\(1030\)

20586

\begin{align*} x^{4} y^{\prime \prime }&=\left (x^{3}+2 x y\right ) y^{\prime }-4 y^{2} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries], [_2nd_order, _reducible, _mu_x_y1], [_2nd_order, _reducible, _mu_xy]]

0.954

\(1031\)

20587

\begin{align*} x^{4} y^{\prime \prime }-x^{3} y^{\prime }&={y^{\prime }}^{2} x^{2}-4 y^{2} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries], [_2nd_order, _reducible, _mu_xy]]

0.990

\(1032\)

20609

\begin{align*} y^{\prime \prime \prime }-x y^{\prime \prime }-y^{\prime }+x y&=0 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.148

\(1033\)

20649

\begin{align*} \left (-y+x y^{\prime }\right )^{2}+x^{2} y y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries], [_2nd_order, _reducible, _mu_y_y1], [_2nd_order, _reducible, _mu_xy]]

0.657

\(1034\)

20676

\begin{align*} x^{\prime } t +y&=0 \\ t y^{\prime }+x&=0 \\ \end{align*}

system_of_ODEs

0.084

\(1035\)

20754

\begin{align*} \left (2 x -1\right )^{3} y^{\prime \prime \prime }+\left (2 x -1\right ) y^{\prime }-2 y&=0 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.183

\(1036\)

20756

\begin{align*} 16 \left (1+x \right )^{4} y^{\prime \prime \prime \prime }+96 \left (1+x \right )^{3} y^{\prime \prime \prime }+104 \left (1+x \right )^{2} y^{\prime \prime }+8 \left (1+x \right ) y^{\prime }+y&=x^{2}+4 x +3 \\ \end{align*}

[[_high_order, _with_linear_symmetries]]

0.243

\(1037\)

20758

\begin{align*} 2 x^{2} y y^{\prime \prime }+4 y^{2}&={y^{\prime }}^{2} x^{2}+2 x y y^{\prime } \\ \end{align*}

[[_2nd_order, _with_linear_symmetries], [_2nd_order, _reducible, _mu_y_y1], [_2nd_order, _reducible, _mu_xy]]

1.584

\(1038\)

20764

\begin{align*} \sqrt {x}\, y^{\prime \prime }+2 x y^{\prime }+3 y&=x \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

26.205

\(1039\)

20766

\begin{align*} 2 x^{2} \cos \left (y\right ) y^{\prime \prime }-2 x^{2} \sin \left (y\right ) {y^{\prime }}^{2}+x \cos \left (y\right ) y^{\prime }-\sin \left (y\right )&=\ln \left (x \right ) \\ \end{align*}

[[_2nd_order, _reducible, _mu_y_y1], [_2nd_order, _reducible, _mu_xy]]

20.146

\(1040\)

20780

\begin{align*} x^{4} y^{\prime \prime }&=\left (y-x y^{\prime }\right )^{3} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

1.880

\(1041\)

20786

\begin{align*} y^{\prime \prime }-\cot \left (x \right ) y^{\prime }-\left (1-\cot \left (x \right )\right ) y&={\mathrm e}^{x} \sin \left (x \right ) \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

23.698

\(1042\)

20805

\begin{align*} y^{\prime \prime }+\left (1-\cot \left (x \right )\right ) y^{\prime }-y \cot \left (x \right )&=\sin \left (x \right )^{2} \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

26.684

\(1043\)

20810

\begin{align*} x^{\prime } t&=t -2 x \\ t y^{\prime }&=t x+t y+2 x-t \\ \end{align*}

system_of_ODEs

0.089

\(1044\)

20891

\begin{align*} x y^{\prime \prime }-x y^{\prime }+y&={\mathrm e}^{x} \\ y \left (0\right ) &= 1 \\ y^{\prime }\left (0\right ) &= 2 \\ \end{align*}

Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

34.425

\(1045\)

20991

\begin{align*} x^{\prime }&=x \cos \left (t \right )-\sin \left (t \right ) y \\ y^{\prime }&=\sin \left (t \right ) x+\cos \left (t \right ) y \\ \end{align*}

system_of_ODEs

0.085

\(1046\)

20992

\begin{align*} x^{\prime }&=\left (3 t -1\right ) x-\left (-t +1\right ) y+t \,{\mathrm e}^{t^{2}} \\ y^{\prime }&=-\left (t +2\right ) x+\left (t -2\right ) y-{\mathrm e}^{t^{2}} \\ \end{align*}

system_of_ODEs

0.092

\(1047\)

21001

\begin{align*} w_{1}^{\prime }&=w_{2} \\ w_{2}^{\prime }&=\frac {a w_{1}}{z^{2}} \\ \end{align*}

system_of_ODEs

0.085

\(1048\)

21167

\begin{align*} x x^{\prime \prime }-{x^{\prime }}^{2}+{\mathrm e}^{t} x^{2}&=0 \\ x \left (0\right ) &= 1 \\ x^{\prime }\left (0\right ) &= -1 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries], [_2nd_order, _reducible, _mu_y_y1], [_2nd_order, _reducible, _mu_xy]]

1.607

\(1049\)

21168

\begin{align*} x x^{\prime \prime }-{x^{\prime }}^{2}+{\mathrm e}^{t} x^{2}&=0 \\ x \left (0\right ) &= -1 \\ x^{\prime }\left (0\right ) &= -1 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries], [_2nd_order, _reducible, _mu_y_y1], [_2nd_order, _reducible, _mu_xy]]

0.551

\(1050\)

21235

\begin{align*} x^{\prime }+t y&=-1 \\ x^{\prime }+y^{\prime }&=2 \\ \end{align*}

system_of_ODEs

0.108

\(1051\)

21236

\begin{align*} x^{\prime }+y&=3 t \\ y^{\prime }-x^{\prime } t&=0 \\ \end{align*}

system_of_ODEs

0.121

\(1052\)

21237

\begin{align*} x^{\prime }-t y&=1 \\ y^{\prime }-x^{\prime } t&=3 \\ \end{align*}

system_of_ODEs

0.115

\(1053\)

21238

\begin{align*} t^{2} x^{\prime }-y&=1 \\ y^{\prime }-2 x&=0 \\ \end{align*}

system_of_ODEs

0.085

\(1054\)

21240

\begin{align*} x^{\prime } t +y^{\prime }&=1 \\ y^{\prime }+x+{\mathrm e}^{x^{\prime }}&=1 \\ \end{align*}

system_of_ODEs

0.456

\(1055\)

21241

\begin{align*} x x^{\prime }+y&=2 t \\ y^{\prime }+2 x^{2}&=1 \\ \end{align*}

system_of_ODEs

0.089

\(1056\)

21249

\begin{align*} x^{\prime }&=x-x y \\ y^{\prime }&=-y+x y \\ \end{align*}

system_of_ODEs

0.097

\(1057\)

21251

\begin{align*} x^{\prime }&=2 x-2 x y \\ y^{\prime }&=-y+x y \\ \end{align*}

system_of_ODEs

0.099

\(1058\)

21252

\begin{align*} x^{\prime }&=x-4 x y \\ y^{\prime }&=-2 y+x y \\ \end{align*}

system_of_ODEs

0.086

\(1059\)

21253

\begin{align*} x^{\prime }&=x \left (3-y\right ) \\ y^{\prime }&=y \left (x-5\right ) \\ \end{align*}

system_of_ODEs

0.095

\(1060\)

21276

\begin{align*} t^{2} x^{\prime \prime }+x^{\prime } t +\left (t^{2}-1\right ) x&=0 \\ x^{\prime }\left (0\right ) &= a \\ \end{align*}

[_Bessel]

46.872

\(1061\)

21317

\begin{align*} x^{\prime }&=-x^{3} \\ y^{\prime }&=-y^{3} \\ \end{align*}

system_of_ODEs

0.076

\(1062\)

21616

\begin{align*} n \left (n +1\right ) y-2 x y^{\prime }+\left (-x^{2}+1\right ) y^{\prime \prime }&=0 \\ \end{align*}

[_Gegenbauer]

121.962

\(1063\)

21733

\begin{align*} y^{\prime }&=-\sqrt {1-y^{2}} \\ x^{\prime }&=x+2 y \\ \end{align*}

system_of_ODEs

0.083

\(1064\)

21782

\begin{align*} x^{\prime }&=-x^{2}-y \\ y^{\prime }&=x \\ \end{align*}

system_of_ODEs

0.081

\(1065\)

21784

\begin{align*} x^{\prime }&=2 x y \\ y^{\prime }&=3 y^{2}-x^{2} \\ \end{align*}

system_of_ODEs

0.084

\(1066\)

21785

\begin{align*} x^{\prime }&=x^{2} \\ y^{\prime }&=2 y^{2}-x y \\ \end{align*}

system_of_ODEs

0.082

\(1067\)

21895

\begin{align*} x^{\prime \prime }-x+y&={\mathrm e}^{t} \\ x^{\prime }+x-y^{\prime }-y&=3 \,{\mathrm e}^{t} \\ \end{align*}

system_of_ODEs

0.144

\(1068\)

21899

\begin{align*} y^{\prime }+y-x^{\prime \prime }+x&={\mathrm e}^{t} \\ y^{\prime }-x^{\prime }+x&={\mathrm e}^{-t} \\ \end{align*}

system_of_ODEs

0.165

\(1069\)

21900

\begin{align*} 2 y^{\prime \prime \prime }+x y^{\prime \prime }+2 y^{\prime }+x y&=0 \\ y \left (0\right ) &= 1 \\ y^{\prime }\left (0\right ) &= 0 \\ y^{\prime \prime }\left (0\right ) &= -1 \\ \end{align*}

Series expansion around \(x=0\).

[[_3rd_order, _with_linear_symmetries]]

0.252

\(1070\)

21925

\begin{align*} x^{\prime \prime }&=1 \\ x^{\prime }+x+y^{\prime \prime }-9 y+z^{\prime }+z&=0 \\ 5 x+z^{\prime \prime }-4 z&=2 \\ \end{align*}

With initial conditions

\begin{align*} x \left (0\right ) &= 0 \\ y \left (0\right ) &= 0 \\ z \left (0\right ) &= 0 \\ x^{\prime }\left (0\right ) &= 0 \\ y^{\prime }\left (0\right ) &= 0 \\ z^{\prime }\left (0\right ) &= 0 \\ \end{align*}

system_of_ODEs

0.136

\(1071\)

21951

\begin{align*} s^{2} t^{\prime \prime }+s t t^{\prime }&=s \\ \end{align*}

[[_2nd_order, _reducible, _mu_x_y1], [_2nd_order, _reducible, _mu_xy]]

4.012

\(1072\)

21959

\begin{align*} {y^{\prime \prime }}^{{3}/{2}}+y&=x \\ \end{align*}

[[_2nd_order, _with_linear_symmetries], [_2nd_order, _reducible, _mu_x_y1], [_2nd_order, _reducible, _mu_y_y1]]

0.732

\(1073\)

21982

\begin{align*} 1+x y+y^{\prime } y&=0 \\ \end{align*}

[_rational, [_Abel, ‘2nd type‘, ‘class A‘]]

297.357

\(1074\)

22257

\begin{align*} y^{\prime \prime }+z+y&=0 \\ y^{\prime }+z^{\prime }&=0 \\ \end{align*}

With initial conditions

\begin{align*} y \left (0\right ) &= 1 \\ y^{\prime }\left (0\right ) &= 0 \\ z \left (0\right ) &= 1 \\ \end{align*}

system_of_ODEs

0.071

\(1075\)

22258

\begin{align*} z^{\prime \prime }+y^{\prime }&=\cos \left (t \right ) \\ y^{\prime \prime }-z&=\sin \left (t \right ) \\ \end{align*}

With initial conditions

\begin{align*} y \left (0\right ) &= 1 \\ y^{\prime }\left (0\right ) &= 0 \\ z \left (0\right ) &= -1 \\ z^{\prime }\left (0\right ) &= -1 \\ \end{align*}

system_of_ODEs

0.086

\(1076\)

22259

\begin{align*} w^{\prime \prime }-y+2 z&=3 \,{\mathrm e}^{-t} \\ -2 w^{\prime }+2 y^{\prime }+z&=0 \\ 2 w^{\prime }-2 y+z^{\prime }+2 z^{\prime \prime }&=0 \\ \end{align*}

With initial conditions

\begin{align*} y \left (0\right ) &= 2 \\ z \left (0\right ) &= 2 \\ z^{\prime }\left (0\right ) &= -2 \\ w \left (0\right ) &= 1 \\ w^{\prime }\left (0\right ) &= 1 \\ \end{align*}

system_of_ODEs

0.125

\(1077\)

22264

\begin{align*} u^{\prime \prime }-2 v&=2 \\ u+v^{\prime }&=5 \,{\mathrm e}^{2 t}+1 \\ \end{align*}

With initial conditions

\begin{align*} u \left (0\right ) &= 2 \\ u^{\prime }\left (0\right ) &= 2 \\ v \left (0\right ) &= 1 \\ \end{align*}

system_of_ODEs

0.061

\(1078\)

22265

\begin{align*} w^{\prime \prime }-2 z&=0 \\ w^{\prime }+y^{\prime }-z&=2 t \\ w^{\prime }-2 y+z^{\prime \prime }&=0 \\ \end{align*}

With initial conditions

\begin{align*} w \left (0\right ) &= 0 \\ w^{\prime }\left (0\right ) &= 0 \\ z \left (0\right ) &= 1 \\ z^{\prime }\left (0\right ) &= 0 \\ y \left (0\right ) &= 0 \\ \end{align*}

system_of_ODEs

0.119

\(1079\)

22345

\begin{align*} y^{\prime }&=y^{2}+x^{2} \\ y \left (0\right ) &= 2 \\ \end{align*}

[[_Riccati, _special]]

172.194

\(1080\)

22376

\begin{align*} U^{\prime }&=\frac {U+1}{\sqrt {s}+\sqrt {s U}} \\ \end{align*}

[_rational, [_1st_order, ‘_with_symmetry_[F(x),G(x)*y+H(x)]‘]]

122.749

\(1081\)

22476

\begin{align*} x^{2}+y \left (x -y\right )^{2} \tan \left (\frac {y}{x}\right )-\left (x^{2}+x \left (x -y\right )^{2} \tan \left (\frac {y}{x}\right )\right ) y^{\prime }&=0 \\ \end{align*}

[‘y=_G(x,y’)‘]

183.758

\(1082\)

22597

\begin{align*} y^{\prime }&=\sqrt {\sin \left (x \right )+y}-\cos \left (x \right ) \\ \end{align*}

[[_1st_order, ‘_with_symmetry_[F(x),G(y)]‘]]

165.441

\(1083\)

22770

\begin{align*} \left (r^{2}+r \right ) R^{\prime \prime }+r R^{\prime }-n \left (n +1\right ) R&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

139.569

\(1084\)

22799

\begin{align*} y^{\prime \prime \prime }&=\frac {24 x +24 y}{x^{3}} \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.173

\(1085\)

22800

\begin{align*} x y^{\prime \prime \prime }+2 x y^{\prime \prime }-x y^{\prime }-2 x y&=1 \\ \end{align*}

[[_3rd_order, _linear, _nonhomogeneous]]

0.153

\(1086\)

22885

\begin{align*} y^{\prime \prime }&=x \\ y^{\prime \prime }&=y \\ \end{align*}

system_of_ODEs

0.129

\(1087\)

22886

\begin{align*} y^{\prime \prime }&=x-2 \\ y^{\prime \prime }&=2+y \\ \end{align*}

system_of_ODEs

0.132

\(1088\)

22890

\begin{align*} x^{\prime \prime }+2 y^{\prime }+8 x&=32 t \\ y^{\prime \prime }+3 x^{\prime }-2 y&=60 \,{\mathrm e}^{-t} \\ \end{align*}

With initial conditions

\begin{align*} x \left (0\right ) &= 6 \\ x^{\prime }\left (0\right ) &= 0 \\ y \left (0\right ) &= -24 \\ y^{\prime }\left (0\right ) &= 0 \\ \end{align*}

system_of_ODEs

0.109

\(1089\)

22895

\begin{align*} x^{\prime \prime }+y^{\prime }+x&=y+\sin \left (t \right ) \\ y^{\prime \prime }+x^{\prime }-y&=2 t^{2}-x \\ \end{align*}

With initial conditions

\begin{align*} x \left (0\right ) &= 2 \\ x^{\prime }\left (0\right ) &= -1 \\ y \left (0\right ) &= -{\frac {9}{2}} \\ y^{\prime }\left (0\right ) &= -{\frac {7}{2}} \\ \end{align*}

system_of_ODEs

0.106

\(1090\)

22897

\begin{align*} x^{\prime }&=y z \\ y^{\prime }&=x z \\ z^{\prime }&=x y \\ \end{align*}

system_of_ODEs

0.118

\(1091\)

22898

\begin{align*} x^{\prime }&=x y \\ y^{\prime }&=1+y^{2} \\ z^{\prime }&=z \\ \end{align*}

system_of_ODEs

0.114

\(1092\)

22906

\begin{align*} x^{\prime \prime }&=-2 y \\ y^{\prime }&=y-x^{\prime } \\ \end{align*}

With initial conditions

\begin{align*} x \left (0\right ) &= 0 \\ x^{\prime }\left (0\right ) &= 10 \\ y \left (0\right ) &= 5 \\ \end{align*}

system_of_ODEs

0.073

\(1093\)

22907

\begin{align*} y^{\prime \prime }&=x-2 \\ x^{\prime \prime }&=2+y \\ \end{align*}

With initial conditions

\begin{align*} x \left (0\right ) &= 0 \\ x^{\prime }\left (0\right ) &= 1 \\ y \left (0\right ) &= 2 \\ y^{\prime }\left (0\right ) &= -3 \\ \end{align*}

system_of_ODEs

0.072

\(1094\)

22908

\begin{align*} x^{\prime }+y^{\prime }&=\cos \left (t \right ) \\ x+y^{\prime \prime }&=2 \\ \end{align*}

With initial conditions

\begin{align*} x \left (\pi \right ) &= 2 \\ y \left (0\right ) &= 0 \\ y^{\prime }\left (0\right ) &= {\frac {1}{2}} \\ \end{align*}

system_of_ODEs

0.072

\(1095\)

22911

\begin{align*} x^{\prime \prime }&=y+4 \,{\mathrm e}^{-2 t} \\ y^{\prime \prime }&=x-{\mathrm e}^{-2 t} \\ \end{align*}

With initial conditions

\begin{align*} x \left (0\right ) &= 0 \\ x^{\prime }\left (0\right ) &= 0 \\ y \left (0\right ) &= 0 \\ y^{\prime }\left (0\right ) &= 0 \\ \end{align*}

system_of_ODEs

0.077

\(1096\)

22929

\begin{align*} x^{\prime \prime }&=y+4 \,{\mathrm e}^{-2 t} \\ y^{\prime \prime }&=x-{\mathrm e}^{-2 t} \\ \end{align*}

system_of_ODEs

0.137

\(1097\)

23093

\begin{align*} x^{\prime \prime }+y^{\prime \prime }&=t \\ x^{\prime \prime }-y^{\prime \prime }&=3 t \\ \end{align*}

With initial conditions

\begin{align*} x \left (0\right ) &= 0 \\ x^{\prime }\left (0\right ) &= 0 \\ y \left (0\right ) &= 0 \\ y^{\prime }\left (0\right ) &= 0 \\ \end{align*}

system_of_ODEs

0.130

\(1098\)

23133

\begin{align*} y^{\prime }&=y^{2}+x^{2} \\ y \left (0\right ) &= 1 \\ \end{align*}

[[_Riccati, _special]]

175.376

\(1099\)

23240

\begin{align*} y^{\prime \prime \prime }+x^{2} y&={\mathrm e}^{x} \\ \end{align*}

[[_3rd_order, _linear, _nonhomogeneous]]

0.145

\(1100\)

23255

\begin{align*} x y^{\prime \prime \prime }+4 x y^{\prime \prime }-x y&=1 \\ \end{align*}

[[_3rd_order, _linear, _nonhomogeneous]]

0.142

\(1101\)

23365

\begin{align*} x^{\prime \prime }+y^{\prime }+6 x&=0 \\ y^{\prime \prime }-x^{\prime }+6 y&=0 \\ \end{align*}

With initial conditions

\begin{align*} x^{\prime }\left (0\right ) &= 0 \\ y^{\prime }\left (0\right ) &= 0 \\ \end{align*}

system_of_ODEs

0.200

\(1102\)

23434

\begin{align*} y^{\prime \prime \prime }-y \sin \left (x \right )&=0 \\ y \left (0\right ) &= 0 \\ y^{\prime }\left (0\right ) &= 1 \\ y^{\prime \prime }\left (0\right ) &= 0 \\ \end{align*}

Series expansion around \(x=0\).

[[_3rd_order, _with_linear_symmetries]]

0.110

\(1103\)

23436

\begin{align*} y^{\prime \prime \prime \prime }-\ln \left (1+x \right ) y&=0 \\ y \left (0\right ) &= 1 \\ y^{\prime }\left (0\right ) &= 1 \\ y^{\prime \prime }\left (0\right ) &= 0 \\ y^{\prime \prime \prime }\left (0\right ) &= 0 \\ \end{align*}

Series expansion around \(x=0\).

[[_high_order, _with_linear_symmetries]]

0.436

\(1104\)

23440

\begin{align*} y^{\prime \prime \prime }-3 x^{2} y^{\prime }+2 x y&=0 \\ y \left (0\right ) &= 1 \\ y^{\prime }\left (0\right ) &= 1 \\ y^{\prime \prime }\left (0\right ) &= 0 \\ \end{align*}

Series expansion around \(x=0\).

[[_3rd_order, _with_linear_symmetries]]

0.113

\(1105\)

23441

\begin{align*} y^{\prime \prime \prime }+4 y^{\prime \prime }+2 y^{\prime }-x^{3} y&=0 \\ y \left (0\right ) &= 1 \\ y^{\prime }\left (0\right ) &= 1 \\ y^{\prime \prime }\left (0\right ) &= 0 \\ \end{align*}

Series expansion around \(x=0\).

[[_3rd_order, _with_linear_symmetries]]

0.114

\(1106\)

23446

\begin{align*} y^{\prime \prime \prime }+y&=0 \\ \end{align*}

Series expansion around \(x=0\).

[[_3rd_order, _missing_x]]

0.094

\(1107\)

23451

\begin{align*} y^{\prime \prime \prime }-2 x y&=0 \\ \end{align*}

Series expansion around \(x=0\).

[[_3rd_order, _with_linear_symmetries]]

0.097

\(1108\)

23566

\begin{align*} x_{1}^{\prime }&=x_{1}+\left (-t +1\right ) x_{2} \\ x_{2}^{\prime }&=\frac {x_{1}}{t}-x_{2} \\ \end{align*}

system_of_ODEs

0.088

\(1109\)

23575

\begin{align*} x^{\prime } t&=3 x-2 y \\ t y^{\prime }&=x+y-t^{2} \\ \end{align*}

system_of_ODEs

0.086

\(1110\)

23584

\begin{align*} x^{\prime } t&=3 x-2 y \\ t y^{\prime }&=x+y-t^{2} \\ \end{align*}

With initial conditions

\begin{align*} x \left (1\right ) &= 1 \\ y \left (1\right ) &= {\frac {1}{2}} \\ \end{align*}

system_of_ODEs

0.100

\(1111\)

23775

\begin{align*} x^{\prime }&=y^{2}-x^{2} \\ y^{\prime }&=2 x y \\ \end{align*}

system_of_ODEs

0.094

\(1112\)

23776

\begin{align*} x^{\prime }&=y \\ y^{\prime }&=-\sin \left (x\right ) \\ \end{align*}

system_of_ODEs

0.078

\(1113\)

23777

\begin{align*} x^{\prime }&=y \\ y^{\prime }&=-4 \sin \left (x\right ) \\ \end{align*}

system_of_ODEs

0.091

\(1114\)

23778

\begin{align*} x^{\prime }&=x-x y \\ y^{\prime }&=-y+x y \\ \end{align*}

system_of_ODEs

0.084

\(1115\)

23780

\begin{align*} x_{1}^{\prime }&=x_{2} \\ x_{2}^{\prime }&=\sin \left (x_{1}\right ) \\ \end{align*}

system_of_ODEs

0.077

\(1116\)

23782

\begin{align*} x_{1}^{\prime }&=x_{2} \\ x_{2}^{\prime }&=x_{1}-x_{1}^{3} \\ \end{align*}

system_of_ODEs

0.080

\(1117\)

23799

\begin{align*} x^{\prime }&=x-x y \\ y^{\prime }&=-y+x y \\ \end{align*}

system_of_ODEs

0.079

\(1118\)

23816

\begin{align*} x^{\prime }&=x^{2}-x \\ y^{\prime }&=-3 y+x y \\ \end{align*}

system_of_ODEs

0.081

\(1119\)

23819

\begin{align*} x^{\prime }&=x-x y \\ y^{\prime }&=-y+x y \\ \end{align*}

system_of_ODEs

0.081

\(1120\)

23932

\begin{align*} y^{\prime }&=-2 \\ z^{\prime }&=x \,{\mathrm e}^{2 x +y} \\ \end{align*}

system_of_ODEs

0.159

\(1121\)

23935

\begin{align*} y^{\prime } y&=-x \\ y z^{\prime }&=2 \\ \end{align*}

system_of_ODEs

0.095

\(1122\)

23951

\begin{align*} x y^{\prime }&=y \\ z^{\prime }&=3 y-x \\ \end{align*}

system_of_ODEs

0.117

\(1123\)

24088

\begin{align*} y^{\prime \prime \prime }-x^{2} y^{\prime \prime }-2 y&=0 \\ \end{align*}

Series expansion around \(x=0\).

[[_3rd_order, _with_linear_symmetries]]

0.162

\(1124\)

24089

\begin{align*} \left (-x^{4}+1\right ) y^{\prime \prime \prime }-24 x y&=0 \\ \end{align*}

Series expansion around \(x=0\).

[[_3rd_order, _exact, _linear, _homogeneous]]

0.144

\(1125\)

24092

\begin{align*} x^{2} y^{\prime \prime \prime }-y^{\prime }+y&=0 \\ \end{align*}

Series expansion around \(x=0\).

[[_3rd_order, _with_linear_symmetries]]

0.112

\(1126\)

24335

\begin{align*} y \left (x \tan \left (x \right )+\ln \left (y\right )\right )+\tan \left (x \right ) y^{\prime }&=0 \\ \end{align*}

[[_1st_order, ‘_with_symmetry_[F(x),G(x)*y+H(x)]‘]]

97.137

\(1127\)

24399

\begin{align*} y^{\prime }&=\tan \left (y\right ) \cot \left (x \right )-\cos \left (x \right ) \sec \left (y\right ) \\ \end{align*}

[‘y=_G(x,y’)‘]

68.766

\(1128\)

25086

\begin{align*} y^{\prime \prime }-y y^{\prime }&=6 \\ \end{align*}

[[_2nd_order, _missing_x], [_2nd_order, _exact, _nonlinear], [_2nd_order, _reducible, _mu_x_y1], [_2nd_order, _reducible, _mu_xy]]

790.796

\(1129\)

25169

\begin{align*} y_{1}^{\prime }-2 y_{1}&=2 y_{2} \\ y_{2}^{\prime \prime }+2 y_{2}^{\prime }+y_{2}&=-2 y_{1} \\ \end{align*}

With initial conditions

\begin{align*} y_{1} \left (0\right ) &= 3 \\ y_{2} \left (0\right ) &= 0 \\ y_{2}^{\prime }\left (0\right ) &= 3 \\ \end{align*}

system_of_ODEs

0.068

\(1130\)

25170

\begin{align*} y_{1}^{\prime }+4 y_{1}&=10 y_{2} \\ y_{2}^{\prime \prime }-6 y_{2}^{\prime }+23 y_{2}&=9 y_{1} \\ \end{align*}

With initial conditions

\begin{align*} y_{1} \left (0\right ) &= 0 \\ y_{2} \left (0\right ) &= 2 \\ y_{2}^{\prime }\left (0\right ) &= 2 \\ \end{align*}

system_of_ODEs

0.109

\(1131\)

25171

\begin{align*} y_{1}^{\prime }-2 y_{1}&=-2 y_{2} \\ y_{2}^{\prime \prime }+y_{2}^{\prime }+6 y_{2}&=4 y_{1} \\ \end{align*}

With initial conditions

\begin{align*} y_{1} \left (0\right ) &= 1 \\ y_{2} \left (0\right ) &= 5 \\ y_{2}^{\prime }\left (0\right ) &= 4 \\ \end{align*}

system_of_ODEs

0.111

\(1132\)

25172

\begin{align*} y_{1}^{\prime \prime }+2 y_{1}^{\prime }+6 y_{1}&=5 y_{2} \\ y_{2}^{\prime \prime }-2 y_{2}^{\prime }+6 y_{2}&=9 y_{1} \\ \end{align*}

With initial conditions

\begin{align*} y_{1} \left (0\right ) &= 0 \\ y_{1}^{\prime }\left (0\right ) &= 0 \\ y_{2} \left (0\right ) &= 6 \\ y_{2}^{\prime }\left (0\right ) &= 6 \\ \end{align*}

system_of_ODEs

0.084

\(1133\)

25173

\begin{align*} y_{1}^{\prime \prime }+2 y_{1}&=-3 y_{2} \\ y_{2}^{\prime \prime }+2 y_{2}^{\prime }-9 y_{2}&=6 y_{1} \\ \end{align*}

With initial conditions

\begin{align*} y_{1} \left (0\right ) &= -1 \\ y_{1}^{\prime }\left (0\right ) &= -4 \\ y_{2} \left (0\right ) &= 1 \\ y_{2}^{\prime }\left (0\right ) &= 2 \\ \end{align*}

system_of_ODEs

0.119

\(1134\)

25176

\begin{align*} y_{1}^{\prime }-2 y_{1}&=-y_{2} \\ y_{2}^{\prime \prime }-y_{2}^{\prime }+y_{2}&=y_{1} \\ \end{align*}

With initial conditions

\begin{align*} y_{1} \left (0\right ) &= 0 \\ y_{2} \left (0\right ) &= -1 \\ y_{2}^{\prime }\left (0\right ) &= 2 \\ \end{align*}

system_of_ODEs

0.109

\(1135\)

25177

\begin{align*} y_{1}^{\prime }+2 y_{1}&=5 y_{2} \\ y_{2}^{\prime \prime }-2 y_{2}^{\prime }+5 y_{2}&=2 y_{1} \\ \end{align*}

With initial conditions

\begin{align*} y_{1} \left (0\right ) &= 1 \\ y_{2} \left (0\right ) &= 0 \\ y_{2}^{\prime }\left (0\right ) &= 3 \\ \end{align*}

system_of_ODEs

0.109

\(1136\)

25178

\begin{align*} y_{1}^{\prime \prime }+2 y_{1}&=-3 y_{2} \\ y_{2}^{\prime \prime }+2 y_{2}^{\prime }-9 y_{2}&=6 y_{1} \\ \end{align*}

With initial conditions

\begin{align*} y_{1} \left (0\right ) &= 10 \\ y_{1}^{\prime }\left (0\right ) &= 0 \\ y_{2} \left (0\right ) &= 10 \\ y_{2}^{\prime }\left (0\right ) &= 0 \\ \end{align*}

system_of_ODEs

0.115

\(1137\)

25188

\begin{align*} y^{\prime \prime }+2 y^{\prime }+\sin \left (t \right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

27.648

\(1138\)

25247

\begin{align*} t y^{\prime \prime \prime }+3 y^{\prime \prime }+t y^{\prime }+y&=0 \\ \end{align*}

Using Laplace transform method.

[[_3rd_order, _exact, _linear, _homogeneous]]

0.154

\(1139\)

25261

\begin{align*} \left (\cos \left (2 t \right )+1\right ) y^{\prime \prime }-4 y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

12.453

\(1140\)

25358

\begin{align*} y_{1}^{\prime }&=y_{2} \\ y_{2}^{\prime }&=y_{1} y_{2} \\ \end{align*}

system_of_ODEs

0.144

\(1141\)

25360

\begin{align*} y_{1}^{\prime }&=\sin \left (t \right ) y_{1} \\ y_{2}^{\prime }&=y_{1}+\cos \left (t \right ) y_{2} \\ \end{align*}

system_of_ODEs

0.152

\(1142\)

25387

\begin{align*} y_{1}^{\prime }&=y_{2} t \\ y_{2}^{\prime }&=-y_{1} t \\ \end{align*}

With initial conditions

\begin{align*} y_{1} \left (0\right ) &= 1 \\ y_{2} \left (0\right ) &= 0 \\ \end{align*}

system_of_ODEs

0.112

\(1143\)

25388

\begin{align*} y_{1}^{\prime }&=y_{1} t +y_{2} t \\ y_{2}^{\prime }&=-y_{1} t -y_{2} t \\ \end{align*}

With initial conditions

\begin{align*} y_{1} \left (0\right ) &= 4 \\ y_{2} \left (0\right ) &= 0 \\ \end{align*}

system_of_ODEs

0.148

\(1144\)

25389

\begin{align*} y_{1}^{\prime }&=\frac {y_{1}}{t}+y_{2} \\ y_{2}^{\prime }&=-y_{1}+\frac {y_{2}}{t} \\ \end{align*}

With initial conditions

\begin{align*} y_{1} \left (\pi \right ) &= 1 \\ y_{2} \left (\pi \right ) &= -1 \\ \end{align*}

system_of_ODEs

0.153

\(1145\)

25390

\begin{align*} y_{1}^{\prime }&=\left (2 t +1\right ) y_{1}+2 y_{2} t \\ y_{2}^{\prime }&=-2 y_{1} t +\left (1-2 t \right ) y_{2} \\ \end{align*}

With initial conditions

\begin{align*} y_{1} \left (0\right ) &= 1 \\ y_{2} \left (0\right ) &= 0 \\ \end{align*}

system_of_ODEs

0.149

\(1146\)

25391

\begin{align*} y_{1}^{\prime }&=y_{1}+y_{2} \\ y_{2}^{\prime }&=\frac {y_{1}}{t}+\frac {y_{2}}{t} \\ \end{align*}

With initial conditions

\begin{align*} y_{1} \left (1\right ) &= -3 \\ y_{2} \left (1\right ) &= 4 \\ \end{align*}

system_of_ODEs

0.150

\(1147\)

25392

\begin{align*} y_{1}^{\prime }&=\frac {y_{1}}{t}+1 \\ y_{2}^{\prime }&=\frac {y_{2}}{t}+t \\ \end{align*}

With initial conditions

\begin{align*} y_{1} \left (1\right ) &= 1 \\ y_{2} \left (1\right ) &= 2 \\ \end{align*}

system_of_ODEs

0.147

\(1148\)

25393

\begin{align*} y_{1}^{\prime }&=-\frac {y_{2}}{t}+1 \\ y_{2}^{\prime }&=\frac {y_{1}}{t}+\frac {2 y_{2}}{t}-1 \\ \end{align*}

With initial conditions

\begin{align*} y_{1} \left (1\right ) &= 2 \\ y_{2} \left (1\right ) &= 0 \\ \end{align*}

system_of_ODEs

0.148

\(1149\)

25394

\begin{align*} y_{1}^{\prime }&=\frac {4 t y_{1}}{t^{2}+1}+\frac {6 y_{2} t}{t^{2}+1}-3 t \\ y_{2}^{\prime }&=-\frac {2 t y_{1}}{t^{2}+1}-\frac {4 y_{2} t}{t^{2}+1}+t \\ \end{align*}

With initial conditions

\begin{align*} y_{1} \left (1\right ) &= 1 \\ y_{2} \left (1\right ) &= -1 \\ \end{align*}

system_of_ODEs

0.164

\(1150\)

25396

\begin{align*} y_{1}^{\prime }&=y_{1} t +y_{2} t +4 t \\ y_{2}^{\prime }&=-y_{1} t -y_{2} t +4 t \\ \end{align*}

With initial conditions

\begin{align*} y_{1} \left (0\right ) &= 4 \\ y_{2} \left (0\right ) &= 0 \\ \end{align*}

system_of_ODEs

0.156

\(1151\)

25648

\begin{align*} \left (1-x \right ) y^{\prime \prime }-4 x y^{\prime }+5 y&=\cos \left (x \right ) \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

50.376

\(1152\)

25654

\begin{align*} \sin \left (t \right ) y^{\prime \prime \prime }-\cos \left (t \right ) y^{\prime }&=2 \\ \end{align*}

[[_3rd_order, _missing_y]]

5.043

\(1153\)

25688

\begin{align*} x^{\prime \prime }&=4 y+{\mathrm e}^{t} \\ y^{\prime \prime }&=4 x-{\mathrm e}^{t} \\ \end{align*}

system_of_ODEs

0.188

\(1154\)

25769

\begin{align*} y^{\prime }&=x^{2}-y^{2} \\ y \left (0\right ) &= 2 \\ \end{align*}

[_Riccati]

109.538

\(1155\)

25800

\begin{align*} y^{\prime }&=y^{2}+x^{2} \\ y \left (0\right ) &= 1 \\ \end{align*}

[[_Riccati, _special]]

186.438

\(1156\)

25993

\begin{align*} y^{\prime \prime }-y+5 y^{\prime }&=t \\ 2 y^{\prime }-x^{\prime \prime }+4 x&=2 \\ \end{align*}

system_of_ODEs

0.233

\(1157\)

26004

\begin{align*} x^{\prime \prime }+y^{\prime }&=2 \\ x^{\prime \prime }-y^{\prime \prime }&=0 \\ \end{align*}

With initial conditions

\begin{align*} x \left (0\right ) &= 0 \\ x^{\prime }\left (0\right ) &= 2 \\ y \left (0\right ) &= -2 \\ y^{\prime }\left (0\right ) &= 2 \\ \end{align*}

system_of_ODEs

0.164

\(1158\)

26125

\begin{align*} x^{\prime \prime }&=y \\ y^{\prime \prime }&=x \\ \end{align*}

system_of_ODEs

0.179

\(1159\)

26127

\begin{align*} x^{\prime }&=\frac {1}{y} \\ y^{\prime }&=\frac {1}{x} \\ \end{align*}

system_of_ODEs

0.162

\(1160\)

26307

\begin{align*} y^{\prime }+x \sin \left (2 y\right )&=x \,{\mathrm e}^{-x^{2}} \cos \left (y\right )^{2} \\ \end{align*}

[‘y=_G(x,y’)‘]

109.691

\(1161\)

26313

\begin{align*} \left (x^{2}+1\right ) \ln \left (x^{2}+1\right ) y^{\prime }-2 x y&=\ln \left (x^{2}+1\right )-2 x \arctan \left (x \right ) \\ y \left (-\infty \right ) &= -\frac {\pi }{2} \\ \end{align*}

[_linear]

265.334

\(1162\)

26439

\begin{align*} y \left (1+\ln \left (y\right )\right ) y^{\prime \prime }+{y^{\prime }}^{2}&=2 x y \,{\mathrm e}^{x^{2}} \\ \end{align*}

[[_2nd_order, _reducible, _mu_y_y1], [_2nd_order, _reducible, _mu_xy]]

4.158

\(1163\)

26454

\begin{align*} {y^{\prime \prime }}^{2}-y^{\prime } y^{\prime \prime \prime }&=\frac {{y^{\prime }}^{2}}{x^{2}} \\ \end{align*}

[[_3rd_order, _missing_y], [_3rd_order, _with_linear_symmetries]]

2.085

\(1164\)

26477

\begin{align*} x y^{\prime } \left (y y^{\prime \prime }-{y^{\prime }}^{2}\right )-y {y^{\prime }}^{2}&=x^{4} y^{3} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries], [_2nd_order, _reducible, _mu_poly_yn]]

9.991

\(1165\)

26478

\begin{align*} x^{4} y^{\prime \prime }&=\left (y-x y^{\prime }\right )^{3} \\ y \left (1\right ) &= 1 \\ y^{\prime }\left (1\right ) &= 1 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

1.460

\(1166\)

26609

\begin{align*} y-2 y^{\prime }+y^{\prime \prime }&=4 \,{\mathrm e}^{-x} \\ y \left (\infty \right ) &= 0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

54.073

\(1167\)

26663

\begin{align*} x \left (1-x \ln \left (x \right )\right ) y^{\prime \prime }+\left (1+x^{2} \ln \left (x \right )\right ) y^{\prime }-\left (1+x \right ) y&=\left (1-x \ln \left (x \right )\right )^{2} {\mathrm e}^{x} \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

256.622

\(1168\)

26668

\begin{align*} 4 x y^{\prime \prime }+2 y^{\prime }+y&=\frac {6+x}{x^{2}} \\ y \left (\infty \right ) &= 0 \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

222.705

\(1169\)

26673

\begin{align*} x^{3} \left (\ln \left (x \right )-1\right ) y^{\prime \prime }-x^{2} y^{\prime }+x y&=2 \ln \left (x \right ) \\ y \left (\infty \right ) &= 0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

154.792

\(1170\)

26703

\begin{align*} 2 y^{\prime \prime }+4 x y^{\prime \prime \prime }+x^{2} y^{\prime \prime \prime \prime }&=0 \\ y \left (1\right ) &= 0 \\ y^{\prime }\left (1\right ) &= 0 \\ y \left (0\right ) &= y_{0} \\ \end{align*}

[[_high_order, _missing_y]]

10.426

\(1171\)

26737

\begin{align*} x^{\prime }&=x \cos \left (t \right ) \\ 2 y^{\prime }&=\left ({\mathrm e}^{t}+{\mathrm e}^{-t}\right ) y \\ \end{align*}

system_of_ODEs

0.144

\(1172\)

26749

\begin{align*} x^{\prime }&=\frac {1}{y} \\ y^{\prime }&=\frac {1}{x} \\ \end{align*}

system_of_ODEs

0.162

\(1173\)

26750

\begin{align*} x^{\prime } t&=t -2 x \\ t y^{\prime }&=t x+t y+2 x-t \\ \end{align*}

system_of_ODEs

0.096

\(1174\)

26869

\begin{align*} \left (\cos \left (x +y\right )+\sin \left (x -y\right )\right ) y^{\prime }&=\cos \left (2 x \right ) \\ \end{align*}

[_separable]

159.933

\(1175\)

27198

\begin{align*} x^{\prime }&=x-\frac {x y}{2} \\ y^{\prime }&=2 x y-\frac {6 y}{5} \\ \end{align*}

system_of_ODEs

0.145

\(1176\)

27315

\begin{align*} \left (x^{3}+3 \ln \left (y\right )\right ) y&=x y^{\prime } \\ \end{align*}

[[_1st_order, ‘_with_symmetry_[F(x),G(x)*y+H(x)]‘]]

89.864

\(1177\)

27327

\begin{align*} y \left (x +y^{2}\right )+x^{2} \left (y-1\right ) y^{\prime }&=0 \\ \end{align*}

[_rational, [_Abel, ‘2nd type‘, ‘class C‘]]

280.107

\(1178\)

27500

\begin{align*} x^{3}-2 x y^{2}+3 x^{2} y y^{\prime }&=-y+x y^{\prime } \\ \end{align*}

[_rational, [_Abel, ‘2nd type‘, ‘class B‘]]

186.388

\(1179\)

27513

\begin{align*} y^{\prime }&=\frac {\left (3 x +y^{3}-1\right )^{2}}{y^{2}} \\ \end{align*}

[_rational]

244.022

\(1180\)

27518

\begin{align*} x y y^{\prime }-x^{2} \sqrt {1+y^{2}}&=\left (1+x \right ) \left (1+y^{2}\right ) \\ \end{align*}

[‘x=_G(y,y’)‘]

223.886

\(1181\)

27523

\begin{align*} \left (3 x y+x +y\right ) y+\left (4 x y+x +2 y\right ) x y^{\prime }&=0 \\ \end{align*}

[_rational, [_Abel, ‘2nd type‘, ‘class B‘]]

292.425

\(1182\)

27524

\begin{align*} x^{2}-1+\left (x^{2} y^{2}+x^{3}+x \right ) y^{\prime }&=0 \\ \end{align*}

[_rational, [_1st_order, ‘_with_symmetry_[F(x)*G(y),0]‘]]

66.754

\(1183\)

27560

\begin{align*} y y^{\prime \prime \prime }&=y^{\prime } y^{\prime \prime } \\ \end{align*}

[[_3rd_order, _missing_x], [_3rd_order, _exact, _nonlinear], [_3rd_order, _with_linear_symmetries], [_3rd_order, _reducible, _mu_y2], [_3rd_order, _reducible, _mu_poly_yn]]

0.242

\(1184\)

27567

\begin{align*} -y^{\prime }+x y^{\prime \prime }&=x^{2} y y^{\prime } \\ \end{align*}

[[_2nd_order, _with_linear_symmetries], [_2nd_order, _reducible, _mu_xy]]

4.638

\(1185\)

27569

\begin{align*} y y^{\prime \prime }&={y^{\prime }}^{2}+15 y^{2} \sqrt {x} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries], [_2nd_order, _reducible, _mu_y_y1], [_2nd_order, _reducible, _mu_xy]]

1.553

\(1186\)

27572

\begin{align*} x^{2} y y^{\prime \prime }&=\left (y-x y^{\prime }\right )^{2} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries], [_2nd_order, _reducible, _mu_xy]]

2.819

\(1187\)

27573

\begin{align*} y^{\prime \prime }+\frac {y^{\prime }}{x}+\frac {y}{x^{2}}&=\frac {{y^{\prime }}^{2}}{y} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries], [_2nd_order, _reducible, _mu_xy]]

3.048

\(1188\)

27574

\begin{align*} y \left (x y^{\prime \prime }+y^{\prime }\right )&=x {y^{\prime }}^{2} \left (1-x \right ) \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

2.734

\(1189\)

27575

\begin{align*} x^{2} y y^{\prime \prime }+{y^{\prime }}^{2}&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries], [_2nd_order, _reducible, _mu_y_y1]]

0.853

\(1190\)

27576

\begin{align*} x^{2} \left ({y^{\prime }}^{2}-2 y y^{\prime \prime }\right )&=y^{2} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries], [_2nd_order, _reducible, _mu_xy]]

1.192

\(1191\)

27577

\begin{align*} x y y^{\prime \prime }&=y^{\prime } \left (y+y^{\prime }\right ) \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

2.475

\(1192\)

27578

\begin{align*} 4 x^{2} y^{3} y^{\prime \prime }&=x^{2}-y^{4} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

3.540

\(1193\)

27579

\begin{align*} x^{3} y^{\prime \prime }&=\left (y-x y^{\prime }\right ) \left (y-x y^{\prime }-x \right ) \\ \end{align*}

[[_2nd_order, _with_linear_symmetries], [_2nd_order, _reducible, _mu_xy]]

10.482

\(1194\)

27580

\begin{align*} \frac {y^{2}}{x^{2}}+{y^{\prime }}^{2}&=3 x y^{\prime \prime }+\frac {2 y y^{\prime }}{x} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries], [_2nd_order, _reducible, _mu_xy]]

15.597

\(1195\)

27581

\begin{align*} y^{\prime \prime }&=\left (2 x y-\frac {5}{x}\right ) y^{\prime }+4 y^{2}-\frac {4 y}{x^{2}} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries], [_2nd_order, _reducible, _mu_x_y1], [_2nd_order, _reducible, _mu_xy]]

4.145

\(1196\)

27582

\begin{align*} x^{2} \left (2 y y^{\prime \prime }-{y^{\prime }}^{2}\right )&=1-2 x y y^{\prime } \\ \end{align*}

[[_2nd_order, _with_linear_symmetries], [_2nd_order, _reducible, _mu_x_y1]]

2.811

\(1197\)

27583

\begin{align*} x^{2} \left (y y^{\prime \prime }-{y^{\prime }}^{2}\right )+x y y^{\prime }&=\left (2 x y^{\prime }-3 y\right ) \sqrt {x^{3}} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries], [_2nd_order, _reducible, _mu_xy]]

5.502

\(1198\)

27584

\begin{align*} x^{4} \left ({y^{\prime }}^{2}-2 y y^{\prime \prime }\right )&=4 x^{3} y y^{\prime }+1 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries], [_2nd_order, _reducible, _mu_x_y1]]

6.179

\(1199\)

27585

\begin{align*} y^{\prime } y+x y y^{\prime \prime }-{y^{\prime }}^{2} x&=x^{3} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

2.478

\(1200\)

27587

\begin{align*} {y^{\prime \prime }}^{2}-y^{\prime } y^{\prime \prime \prime }&=\frac {{y^{\prime }}^{2}}{x^{2}} \\ \end{align*}

[[_3rd_order, _missing_y], [_3rd_order, _with_linear_symmetries]]

2.271

\(1201\)

27588

\begin{align*} y^{\prime } y+2 x^{2} y^{\prime \prime }&={y^{\prime }}^{2} x \\ \end{align*}

[[_2nd_order, _with_linear_symmetries], [_2nd_order, _reducible, _mu_x_y1], [_2nd_order, _reducible, _mu_y_y1], [_2nd_order, _reducible, _mu_poly_yn], [_2nd_order, _reducible, _mu_xy]]

5.564

\(1202\)

27589

\begin{align*} {y^{\prime }}^{2}+2 x y y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries], [_2nd_order, _reducible, _mu_y_y1]]

0.791

\(1203\)

27590

\begin{align*} 2 x y^{2} \left (x y^{\prime \prime }+y^{\prime }\right )+1&=0 \\ \end{align*}

[[_Emden, _Fowler], [_2nd_order, _with_linear_symmetries], [_2nd_order, _reducible, _mu_x_y1]]

2.500

\(1204\)

27593

\begin{align*} y \left (y^{\prime }+2 x y^{\prime \prime }\right )&={y^{\prime }}^{2} x +1 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries], [_2nd_order, _reducible, _mu_x_y1]]

2.663

\(1205\)

27594

\begin{align*} y^{\prime \prime }+2 y {y^{\prime }}^{2}&=\left (2 x +\frac {1}{x}\right ) y^{\prime } \\ \end{align*}

[_Liouville, [_2nd_order, _reducible, _mu_xy]]

4.077

\(1206\)

27596

\begin{align*} y y^{\prime \prime }&={y^{\prime }}^{2}+2 x y^{2} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries], [_2nd_order, _reducible, _mu_xy]]

0.849

\(1207\)

27598

\begin{align*} 2 y y^{\prime \prime \prime }&=y^{\prime } \\ \end{align*}

[[_3rd_order, _missing_x], [_3rd_order, _exact, _nonlinear], [_3rd_order, _with_linear_symmetries], [_3rd_order, _reducible, _mu_y2]]

0.216

\(1208\)

27600

\begin{align*} y^{2} y^{\prime \prime \prime }&={y^{\prime }}^{3} \\ \end{align*}

[[_3rd_order, _missing_x], [_3rd_order, _exact, _nonlinear], [_3rd_order, _with_linear_symmetries]]

0.229

\(1209\)

27601

\begin{align*} x^{2} y y^{\prime \prime }+1&=x \left (1-y\right ) y^{\prime } \\ \end{align*}

[[_2nd_order, _with_linear_symmetries], [_2nd_order, _reducible, _mu_x_y1]]

4.203

\(1210\)

27606

\begin{align*} y y^{\prime \prime }&=2 {y^{\prime }}^{2} x \\ y \left (2\right ) &= 2 \\ y^{\prime }\left (2\right ) &= {\frac {1}{2}} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

1.236

\(1211\)

27701

\begin{align*} \left (2 x +3\right )^{3} y^{\prime \prime \prime }+3 \left (2 x +3\right ) y^{\prime }-6 y&=0 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.165

\(1212\)

27720

\begin{align*} y-x y^{\prime }-y^{\prime \prime }+x y^{\prime \prime \prime }&=0 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.159

\(1213\)

27722

\begin{align*} \left (x^{2}-2 x +3\right ) y^{\prime \prime \prime }-\left (x^{2}+1\right ) y^{\prime \prime }+2 x y^{\prime }-2 y&=0 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.185

\(1214\)

27739

\begin{align*} y^{\prime \prime }-2 x y^{\prime }+\left (1+x \right )^{2} y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

39.368

\(1215\)

27740

\begin{align*} y^{\prime \prime }-2 \,{\mathrm e}^{x} y^{\prime }+y \,{\mathrm e}^{2 x}&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

54.872

\(1216\)

27747

\begin{align*} y^{\prime \prime }-2 \left (-1+x \right ) y^{\prime }+x^{2} y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

49.620

\(1217\)

27748

\begin{align*} y^{\prime \prime }+\left (x^{4}+1\right ) y&=0 \\ \end{align*}

[_Titchmarsh]

37.583

\(1218\)

27749

\begin{align*} \left (x^{2}+1\right ) y^{\prime \prime }-y&=0 \\ \end{align*}

[[_Emden, _Fowler]]

41.131

\(1219\)

27771

\begin{align*} y^{\prime \prime \prime }-x y^{\prime \prime }+\left (x -2\right ) y^{\prime }+y&=0 \\ \end{align*}

Series expansion around \(x=0\).

[[_3rd_order, _exact, _linear, _homogeneous]]

0.112