2.2.117 Problems 11601 to 11700

Table 2.251: Main lookup table. Sorted sequentially by problem number.

#

ODE

CAS classification

Solved?

Maple

Mma

Sympy

time(sec)

11601

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

[_exact, _rational]

2.921

11602

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

[_separable]

0.818

11603

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

[_separable]

3.169

11604

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

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

1.695

11605

\begin{align*} \left (3 x^{3}+6 x^{2} y-3 x y^{2}+20 y^{3}\right ) y^{\prime }+4 x^{3}+9 x^{2} y+6 x y^{2}-y^{3}&=0 \\ \end{align*}

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

28.096

11606

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

[_rational]

206.154

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]

7.639

11608

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

[_Bernoulli]

26.181

11609

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

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

103.984

11610

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

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

0.729

11611

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

[_rational]

3.560

11612

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

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

1.101

11613

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

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

3.486

11614

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

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

3.156

11615

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

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

4.797

11616

\begin{align*} \left (10 x^{2} y^{3}-3 y^{2}-2\right ) y^{\prime }+5 x y^{4}+x&=0 \\ \end{align*}

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

3.187

11617

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

[_rational]

3.383

11618

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

[_rational]

2.956

11619

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

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

139.227

11620

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

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

44.650

11621

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

[_rational]

4.829

11622

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

[[_homogeneous, ‘class G‘], _rational]

15.194

11623

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

[[_homogeneous, ‘class G‘], _rational]

15.475

11624

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

[[_homogeneous, ‘class C‘], _exact, _dAlembert]

2.509

11625

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

[[_homogeneous, ‘class G‘]]

17.472

11626

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

[[_homogeneous, ‘class G‘], _rational]

59.385

11627

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

[[_homogeneous, ‘class C‘], _dAlembert]

2.988

11628

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

[_separable]

5.924

11629

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

[_exact]

27.958

11630

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

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

19.564

11631

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

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

89.131

11632

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

[[_1st_order, _with_linear_symmetries]]

7.416

11633

\begin{align*} \left (\frac {\operatorname {e1} \left (x +a \right )}{\left (\left (x +a \right )^{2}+y^{2}\right )^{{3}/{2}}}+\frac {\operatorname {e2} \left (x -a \right )}{\left (\left (x -a \right )^{2}+y^{2}\right )^{{3}/{2}}}\right ) y^{\prime }-y \left (\frac {\operatorname {e1}}{\left (\left (x +a \right )^{2}+y^{2}\right )^{{3}/{2}}}+\frac {\operatorname {e2}}{\left (\left (x -a \right )^{2}+y^{2}\right )^{{3}/{2}}}\right )&=0 \\ \end{align*}

unknown

24.221

11634

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

[_exact]

3.139

11635

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

[[_homogeneous, ‘class G‘]]

15.047

11636

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

[[_1st_order, _with_exponential_symmetries]]

3.115

11637

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

[[_1st_order, _with_linear_symmetries]]

4.456

11638

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

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

3.789

11639

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

[‘y=_G(x,y’)‘]

3.964

11640

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

[_separable]

6.976

11641

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

[_exact]

13.288

11642

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

[[_homogeneous, ‘class A‘]]

27.825

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’)‘]

37.694

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’)‘]

61.663

11645

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

unknown

35.649

11646

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

[_separable]

12.260

11647

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

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

9.466

11648

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

[_exact]

29.329

11649

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

[_exact]

29.421

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’)‘]

43.100

11651

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

[_separable]

4.083

11652

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

[_separable]

7.821

11653

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

[_quadrature]

31.483

11654

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

[_exact]

10.215

11655

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

[[_homogeneous, ‘class G‘]]

8.800

11656

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

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

20.518

11657

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

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

24.756

11658

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

[[_1st_order, _with_linear_symmetries]]

26.139

11659

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

[_exact]

3.437

11660

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

[[_homogeneous, ‘class G‘]]

66.390

11661

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

[_quadrature]

1.749

11662

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

[_quadrature]

8.111

11663

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

[_quadrature]

7.531

11664

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

[_quadrature]

3.456

11665

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

[_quadrature]

30.715

11666

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

[_quadrature]

0.445

11667

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

[_quadrature]

2.258

11668

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

[[_1st_order, _with_linear_symmetries], _Clairaut]

0.549

11669

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

[[_1st_order, _with_linear_symmetries], _Clairaut]

0.534

11670

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

[[_1st_order, _with_linear_symmetries], _Clairaut]

0.484

11671

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

[[_1st_order, _with_linear_symmetries], _dAlembert]

2.720

11672

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

[[_1st_order, _with_linear_symmetries], _dAlembert]

2.504

11673

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

[_quadrature]

32.555

11674

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

[[_homogeneous, ‘class G‘]]

81.808

11675

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

[[_1st_order, _with_linear_symmetries], _Clairaut]

0.581

11676

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

[[_homogeneous, ‘class G‘]]

14.286

11677

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

[[_1st_order, _with_linear_symmetries]]

0.586

11678

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

[[_1st_order, _with_linear_symmetries]]

2.190

11679

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

[_dAlembert]

23.918

11680

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

[_quadrature]

12.357

11681

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

[_dAlembert]

62.069

11682

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

[_quadrature]

0.793

11683

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

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

1.793

11684

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

[_separable]

2.283

11685

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

[_separable]

0.530

11686

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

[[_1st_order, _with_linear_symmetries]]

43.134

11687

\begin{align*} {y^{\prime }}^{2}-3 x y^{{2}/{3}} y^{\prime }+9 y^{{5}/{3}}&=0 \\ \end{align*}

[[_1st_order, _with_linear_symmetries]]

1.440

11688

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

[[_1st_order, _with_linear_symmetries], _Clairaut]

0.527

11689

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

[[_homogeneous, ‘class G‘]]

2.733

11690

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

[[_1st_order, _with_linear_symmetries], _dAlembert]

2.788

11691

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

[[_homogeneous, ‘class G‘]]

6.720

11692

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

[_quadrature]

2.231

11693

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

[[_homogeneous, ‘class G‘]]

19.558

11694

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

[_dAlembert]

51.444

11695

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

[_dAlembert]

24.312

11696

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

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

4.269

11697

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

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

7.416

11698

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

[_rational, _dAlembert]

2.654

11699

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

[_rational, _dAlembert]

2.868

11700

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

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

8.137