2.2.47 Problems 4601 to 4700

Table 2.111: 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]]

1.146

4602

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

Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

1.000

4603

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

Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

3.598

4604

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

Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

0.985

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)]‘]]

4.460

4606

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

Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

0.792

4607

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

[_quadrature]

0.329

4608

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

[[_linear, ‘class A‘]]

2.839

4609

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

[[_linear, ‘class A‘]]

2.969

4610

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

[[_linear, ‘class A‘]]

2.929

4611

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

[[_linear, ‘class A‘]]

2.773

4612

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

[[_linear, ‘class A‘]]

2.861

4613

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

[[_linear, ‘class A‘]]

2.697

4614

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

[[_linear, ‘class A‘]]

4.481

4615

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

[_linear]

3.723

4616

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

[_linear]

2.580

4617

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

[_linear]

5.345

4618

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

[_separable]

5.161

4619

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

[_linear]

3.112

4620

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

[_linear]

3.085

4621

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

[_linear]

3.009

4622

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

[_linear]

3.265

4623

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

[_linear]

3.016

4624

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

[_linear]

2.966

4625

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

[_separable]

4.397

4626

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

[_linear]

2.569

4627

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

[_linear]

2.970

4628

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

[_separable]

9.616

4629

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

[_linear]

3.108

4630

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

[_linear]

3.599

4631

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

[_linear]

2.885

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]

5.042

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]

3.948

4634

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

[_linear]

4.335

4635

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

[_linear]

3.905

4636

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

[_separable]

4.879

4637

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

[_linear]

3.184

4638

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

[_separable]

4.408

4639

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

[_linear]

2.993

4640

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

[_linear]

2.928

4641

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

[_linear]

2.667

4642

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

[_linear]

3.200

4643

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

[_linear]

3.278

4644

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

[_linear]

3.211

4645

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

[_linear]

4.877

4646

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

[_linear]

3.303

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]

5.093

4648

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

[_linear]

3.004

4649

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

[_linear]

0.606

4650

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

[_linear]

0.581

4651

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

[_linear]

2.850

4652

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

[_Riccati]

8.440

4653

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

[_Riccati]

3.056

4654

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

[_Riccati]

4.121

4655

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

[[_homogeneous, ‘class C‘], _Riccati]

3.226

4656

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

[[_homogeneous, ‘class C‘], _Riccati]

2.558

4657

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

[[_homogeneous, ‘class C‘], _Riccati]

6.749

4658

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

[_Riccati]

3.599

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]

3.168

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]

3.560

4661

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

[_Riccati]

0.982

4662

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

[_Riccati]

3.320

4663

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

[_Riccati]

4.352

4664

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

[[_homogeneous, ‘class C‘], _Riccati]

14.872

4665

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

[[_homogeneous, ‘class C‘], _Riccati]

23.953

4666

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

[_Riccati]

0.448

4667

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

[_quadrature]

5.769

4668

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

[[_Riccati, _special]]

30.832

4669

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

[_Riccati]

0.378

4670

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

[_Riccati]

3.619

4671

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

[[_Riccati, _special]]

36.770

4672

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

[_quadrature]

7.692

4673

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

[_Riccati]

5.418

4674

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

[_Riccati]

3.340

4675

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

[_Riccati]

6.923

4676

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

[_separable]

6.349

4677

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

[_Riccati]

5.754

4678

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

[_Riccati]

4.739

4679

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

[_Riccati]

5.757

4680

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

[_separable]

9.109

4681

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

[_separable]

7.178

4682

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

[_Riccati]

21.935

4683

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

[_Bernoulli]

7.178

4684

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

[_Riccati]

1.096

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]

1.041

4686

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

[_linear]

4.457

4687

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

[_separable]

8.872

4688

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

[_Riccati]

12.605

4689

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

[_separable]

9.682

4690

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

[_Abel]

10.120

4691

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

[_Abel]

7.318

4692

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

[_Abel]

10.317

4693

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

[_quadrature]

17.643

4694

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

[_quadrature]

35.437

4695

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

[_separable]

14.282

4696

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

[_Bernoulli]

5.262

4697

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

[[_homogeneous, ‘class G‘], _Abel]

11.964

4698

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

[_Bernoulli]

3.201

4699

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

[_Bernoulli]

2.759

4700

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

[_Bernoulli]

5.144