2.2.77 Problems 7601 to 7700

Table 2.171: Main lookup table. Sorted sequentially by problem number.

#

ODE

CAS classification

Solved?

Maple

Mma

Sympy

time(sec)

7601

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

[[_2nd_order, _missing_x]]

0.592

7602

\begin{align*} 3 y^{\prime }-7 y&=0 \\ \end{align*}

[_quadrature]

1.547

7603

\begin{align*} 5 y^{\prime }+4 y&=0 \\ \end{align*}

[_quadrature]

1.308

7604

\begin{align*} 3 z^{\prime }+11 z&=0 \\ \end{align*}

[_quadrature]

1.736

7605

\begin{align*} 6 w^{\prime }-13 w&=0 \\ \end{align*}

[_quadrature]

1.823

7606

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

[[_2nd_order, _missing_x]]

1.530

7607

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

[[_2nd_order, _missing_x]]

3.690

7608

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

[[_2nd_order, _missing_x]]

1.177

7609

\begin{align*} y^{\prime \prime \prime }+y^{\prime \prime }-6 y^{\prime }+4 y&=0 \\ \end{align*}

[[_3rd_order, _missing_x]]

0.064

7610

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

[[_3rd_order, _missing_x]]

0.065

7611

\begin{align*} z^{\prime \prime \prime }+2 z^{\prime \prime }-4 z^{\prime }-8 z&=0 \\ \end{align*}

[[_3rd_order, _missing_x]]

0.062

7612

\begin{align*} y^{\prime \prime \prime }-7 y^{\prime \prime }+7 y^{\prime }+15 y&=0 \\ \end{align*}

[[_3rd_order, _missing_x]]

0.060

7613

\begin{align*} y^{\prime \prime \prime }+3 y^{\prime \prime }-4 y^{\prime }-12 y&=0 \\ \end{align*}

[[_3rd_order, _missing_x]]

0.066

7614

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

[[_3rd_order, _missing_x]]

0.107

7615

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

[[_3rd_order, _missing_x]]

0.102

7616

\begin{align*} 3 y^{\prime \prime \prime }+18 y^{\prime \prime }+13 y^{\prime }-19 y&=0 \\ \end{align*}

[[_3rd_order, _missing_x]]

0.113

7617

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

[[_high_order, _missing_x]]

0.091

7618

\begin{align*} y^{\left (5\right )}-3 y^{\prime \prime \prime \prime }-5 y^{\prime \prime \prime }+15 y^{\prime \prime }+4 y^{\prime }-12 y&=0 \\ \end{align*}

[[_high_order, _missing_x]]

0.080

7619

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

[[_2nd_order, _missing_x]]

2.693

7620

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

[[_2nd_order, _missing_x]]

1.151

7621

\begin{align*} y^{\prime \prime }+y^{\prime }-6 y&=0 \\ y \left (0\right ) &= 2 \\ y^{\prime }\left (0\right ) &= -{\frac {17}{2}} \\ \end{align*}

[[_2nd_order, _missing_x]]

0.478

7622

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

Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

0.602

7623

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

Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

0.299

7624

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

Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

1.751

7625

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

Series expansion around \(x=0\).

[[_Emden, _Fowler]]

3.032

7626

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

Series expansion around \(t=0\).

[[_2nd_order, _with_linear_symmetries]]

0.678

7627

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

Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

0.609

7628

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

Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

3.690

7629

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

Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

1.115

7630

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

Series expansion around \(x=1\).

[[_2nd_order, _with_linear_symmetries]]

5.598

7631

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

Series expansion around \(x=0\).

[_separable]

0.468

7632

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

Series expansion around \(x=0\).

[_quadrature]

0.359

7633

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

Series expansion around \(x=0\).

[_separable]

0.474

7634

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

Series expansion around \(x=0\).

[[_Emden, _Fowler]]

0.450

7635

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

Series expansion around \(x=0\).

[[_2nd_order, _exact, _linear, _homogeneous]]

0.504

7636

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

Series expansion around \(x=0\).

[[_2nd_order, _missing_x]]

0.449

7637

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

Series expansion around \(x=0\).

[_Lienard]

0.532

7638

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

Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

0.505

7639

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

Series expansion around \(x=1\).

[[_2nd_order, _with_linear_symmetries]]

0.682

7640

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

Series expansion around \(x=2\).

[_Hermite]

0.599

7641

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

Series expansion around \(x=1\).

[[_Emden, _Fowler]]

0.607

7642

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

Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

0.609

7643

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

Series expansion around \(x=1\).

[_Lienard]

1.674

7644

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

Series expansion around \(x=1\).

[[_2nd_order, _with_linear_symmetries]]

0.810

7645

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

Series expansion around \(x=1\).

[_separable]

0.472

7646

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

Series expansion around \(x=1\).

[_separable]

0.533

7647

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

Series expansion around \(x=1\).

[[_2nd_order, _with_linear_symmetries]]

0.534

7648

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

Series expansion around \(x=2\).

[[_Emden, _Fowler]]

0.653

7649

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

Series expansion around \(x=2\).

[[_2nd_order, _with_linear_symmetries]]

0.678

7650

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

Series expansion around \(x=-1\).

[[_2nd_order, _with_linear_symmetries]]

0.624

7651

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

Series expansion around \(t=0\).

[_separable]

0.540

7652

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

Series expansion around \(x=0\).

[_separable]

0.502

7653

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

Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

0.953

7654

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

Series expansion around \(t=0\).

[[_2nd_order, _with_linear_symmetries]]

0.681

7655

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

Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

1.135

7656

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

Series expansion around \(x=0\).

[_linear]

0.523

7657

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

Series expansion around \(x=0\).

[_linear]

0.563

7658

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

Series expansion around \(x=0\).

[[_2nd_order, _exact, _linear, _nonhomogeneous]]

0.513

7659

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

Series expansion around \(x=0\).

[[_2nd_order, _linear, _nonhomogeneous]]

0.471

7660

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

Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

0.605

7661

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

Series expansion around \(x=0\).

[[_2nd_order, _linear, _nonhomogeneous]]

0.493

7662

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

Series expansion around \(x=0\).

[[_2nd_order, _linear, _nonhomogeneous]]

1.414

7663

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

Series expansion around \(x=0\).

[[_2nd_order, _linear, _nonhomogeneous]]

0.625

7664

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

Series expansion around \(x=0\).

[_Gegenbauer]

0.697

7665

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

[[_2nd_order, _missing_x]]

3.060

7666

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

[[_3rd_order, _missing_x]]

0.065

7667

\begin{align*} x^{\prime \prime }+42 x^{\prime }+x&=0 \\ x \left (0\right ) &= 1 \\ x^{\prime }\left (0\right ) &= 0 \\ \end{align*}

[[_2nd_order, _missing_x]]

0.559

7668

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

[[_high_order, _missing_x]]

0.066

7669

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

[[_3rd_order, _missing_x]]

0.062

7670

\begin{align*} x^{\prime \prime }+2 \gamma x^{\prime }+\omega _{0} x&=F \cos \left (\omega t \right ) \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

1.077

7671

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

[[_2nd_order, _with_linear_symmetries]]

0.767

7672

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

[[_2nd_order, _linear, _nonhomogeneous]]

0.820

7673

\begin{align*} y^{\prime \prime }+16 y&=16 \cos \left (4 x \right ) \\ y \left (0\right ) &= 1 \\ y^{\prime }\left (0\right ) &= 0 \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

0.755

7674

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

[[_2nd_order, _linear, _nonhomogeneous]]

0.819

7675

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

[[_linear, ‘class A‘]]

2.013

7676

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

[_linear]

3.196

7677

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

[[_linear, ‘class A‘]]

2.227

7678

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

[_linear]

2.780

7679

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

[_linear]

2.735

7680

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

[_linear]

2.606

7681

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

[_linear]

5.473

7682

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

[_separable]

4.714

7683

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

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

3.567

7684

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

[[_2nd_order, _with_linear_symmetries]]

0.413

7685

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

[[_2nd_order, _exact, _linear, _homogeneous]]

1.058

7686

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

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

1.293

7687

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

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

1.136

7688

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

[[_Emden, _Fowler]]

1.383

7689

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

[[_Emden, _Fowler]]

0.624

7690

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

[[_2nd_order, _with_linear_symmetries]]

0.493

7691

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

[[_2nd_order, _with_linear_symmetries]]

0.341

7692

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

[_linear]

1.768

7693

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

[_linear]

3.594

7694

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

[_Laguerre]

4.770

7695

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

[_quadrature]

0.528

7696

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

[_separable]

3.731

7697

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

[[_linear, ‘class A‘]]

1.820

7698

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

[_linear]

1.904

7699

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

[_quadrature]

0.672

7700

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

[_separable]

8.744