2.2.47 Problems 4601 to 4700

Table 2.107: Main lookup table. Sorted sequentially by problem number.

#

ODE

CAS classification

Solved?

Maple

Mma

Sympy

time(sec)

4601

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

[[_2nd_order, _with_linear_symmetries]]

0.934

4602

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

[[_2nd_order, _with_linear_symmetries]]

0.823

4603

\begin{align*} y^{\prime \prime } x -2 y^{\prime } x -y&=0 \\ \end{align*}
Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

1.306

4604

\begin{align*} y^{\prime \prime } x +2 y^{\prime }-y x&=0 \\ \end{align*}
Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

0.821

4605

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

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

1.477

4606

\begin{align*} y^{\prime \prime } x +y^{\prime }-y x&=0 \\ \end{align*}
Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

0.371

4607

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

[_quadrature]

0.193

4608

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

[[_linear, ‘class A‘]]

1.971

4609

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

[[_linear, ‘class A‘]]

2.570

4610

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

[[_linear, ‘class A‘]]

2.563

4611

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

[[_linear, ‘class A‘]]

1.033

4612

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

[[_linear, ‘class A‘]]

2.122

4613

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

[[_linear, ‘class A‘]]

2.452

4614

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

[[_linear, ‘class A‘]]

2.588

4615

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

[_linear]

2.247

4616

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

[_linear]

2.265

4617

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

[_linear]

3.649

4618

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

[_separable]

2.378

4619

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

[_linear]

2.629

4620

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

[_linear]

2.607

4621

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

[_linear]

2.431

4622

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

[_linear]

2.504

4623

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

[_linear]

2.082

4624

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

[_linear]

2.448

4625

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

[_separable]

2.112

4626

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

[_linear]

1.589

4627

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

[_linear]

1.876

4628

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

[_separable]

3.914

4629

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

[_linear]

1.953

4630

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

[_linear]

2.823

4631

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

[_linear]

2.252

4632

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

[_linear]

3.909

4633

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

[_linear]

3.382

4634

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

[_linear]

3.623

4635

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

[_linear]

3.249

4636

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

[_separable]

2.474

4637

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

[_linear]

2.666

4638

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

[_separable]

2.255

4639

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

[_linear]

2.490

4640

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

[_linear]

2.004

4641

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

[_linear]

1.846

4642

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

[_linear]

2.601

4643

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

[_linear]

2.550

4644

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

[_linear]

2.569

4645

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

[_linear]

3.273

4646

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

[_linear]

2.549

4647

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

[_separable]

3.257

4648

\begin{align*} y^{\prime }&=6 \,{\mathrm e}^{2 x}-y \tanh \left (x \right ) \\ \end{align*}

[_linear]

2.690

4649

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

[_linear]

0.332

4650

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

[_linear]

0.306

4651

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

[_linear]

1.720

4652

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

[_Riccati]

5.334

4653

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

[_Riccati]

1.316

4654

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

[_Riccati]

2.599

4655

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

[[_homogeneous, ‘class C‘], _Riccati]

1.481

4656

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

[[_homogeneous, ‘class C‘], _Riccati]

1.286

4657

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

[[_homogeneous, ‘class C‘], _Riccati]

2.539

4658

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

[_Riccati]

2.256

4659

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

[[_1st_order, _with_linear_symmetries], _Riccati]

1.447

4660

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

[[_1st_order, _with_linear_symmetries], _Riccati]

1.720

4661

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

[_Riccati]

0.325

4662

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

[_Riccati]

1.245

4663

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

[_Riccati]

3.003

4664

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

[[_homogeneous, ‘class C‘], _Riccati]

6.497

4665

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

[[_homogeneous, ‘class C‘], _Riccati]

15.109

4666

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

[_Riccati]

0.205

4667

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

[_quadrature]

2.490

4668

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

[[_Riccati, _special]]

35.309

4669

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

[_Riccati]

0.175

4670

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

[_Riccati]

1.514

4671

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

[[_Riccati, _special]]

33.747

4672

\begin{align*} y^{\prime }&=a_{0} +a_{1} y+a_{2} y^{2} \\ \end{align*}

[_quadrature]

3.138

4673

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

[_Riccati]

1.969

4674

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

[_Riccati]

2.743

4675

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

[_Riccati]

3.822

4676

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

[_separable]

4.095

4677

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

[_Riccati]

4.540

4678

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

[_Riccati]

3.150

4679

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

[_Riccati]

4.359

4680

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

[_separable]

3.980

4681

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

[_separable]

5.339

4682

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

[_Riccati]

44.997

4683

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

[_Bernoulli]

3.106

4684

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

[_Riccati]

0.703

4685

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

[_Riccati]

0.648

4686

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

[_linear]

3.672

4687

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

[_separable]

3.808

4688

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

[_Riccati]

9.201

4689

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

[_separable]

6.622

4690

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

[_Abel]

4.003

4691

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

[_Abel]

4.217

4692

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

[_Abel]

4.151

4693

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

[_quadrature]

6.595

4694

\begin{align*} y^{\prime }&=a_{0} +a_{1} y+a_{2} y^{2}+a_{3} y^{3} \\ \end{align*}

[_quadrature]

8.028

4695

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

[_separable]

3.518

4696

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

[_Bernoulli]

2.473

4697

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

[[_homogeneous, ‘class G‘], _Abel]

4.759

4698

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

[_Bernoulli]

1.465

4699

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

[_Bernoulli]

1.455

4700

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

[_Bernoulli]

2.329