2.2.77 Problems 7601 to 7700

Table 2.167: 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]]

7.046

7602

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

[_quadrature]

1.322

7603

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

[_quadrature]

0.995

7604

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

[_quadrature]

1.089

7605

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

[_quadrature]

1.090

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]]

1.821

7607

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

[[_2nd_order, _missing_x]]

4.248

7608

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

[[_2nd_order, _missing_x]]

1.591

7609

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

[[_3rd_order, _missing_x]]

0.069

7610

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

[[_3rd_order, _missing_x]]

0.066

7611

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

[[_3rd_order, _missing_x]]

0.065

7612

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

[[_3rd_order, _missing_x]]

0.064

7613

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

[[_3rd_order, _missing_x]]

0.067

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]]

0.093

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]]

0.096

7616

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

[[_3rd_order, _missing_x]]

0.118

7617

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

[[_high_order, _missing_x]]

0.096

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]]

0.082

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]]

4.773

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]]

1.420

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]]

0.776

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]]

0.608

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]]

0.317

7624

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

[[_2nd_order, _with_linear_symmetries]]

1.657

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]]

5.308

7626

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

[[_2nd_order, _with_linear_symmetries]]

0.698

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]]

0.628

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]]

5.742

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]]

1.020

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]]

5.045

7631

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

[_separable]

0.343

7632

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

[_quadrature]

0.251

7633

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

[_separable]

0.319

7634

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

[[_Emden, _Fowler]]

0.442

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]]

0.518

7636

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

[[_2nd_order, _missing_x]]

0.465

7637

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

[_Lienard]

0.567

7638

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

[[_2nd_order, _with_linear_symmetries]]

0.508

7639

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

[[_2nd_order, _with_linear_symmetries]]

0.696

7640

\begin{align*} y^{\prime \prime }-y^{\prime } x -3 y&=0 \\ \end{align*}
Series expansion around \(x=2\).

[_Hermite]

0.617

7641

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

[[_Emden, _Fowler]]

0.604

7642

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

[[_2nd_order, _with_linear_symmetries]]

0.627

7643

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

[_Lienard]

1.590

7644

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

[[_2nd_order, _with_linear_symmetries]]

0.804

7645

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

[_separable]

0.348

7646

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

[_separable]

0.412

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]]

0.536

7648

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

[[_Emden, _Fowler]]

0.659

7649

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

[[_2nd_order, _with_linear_symmetries]]

0.687

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]]

0.642

7651

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

[_separable]

0.428

7652

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

[_separable]

0.395

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]]

0.873

7654

\begin{align*} y^{\prime \prime }+y^{\prime } t +{\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]]

0.619

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]]

1.004

7656

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

[_linear]

0.386

7657

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

[_linear]

0.384

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]]

0.512

7659

\begin{align*} y^{\prime \prime }-2 y^{\prime } x +3 y&=x^{2} \\ \end{align*}
Series expansion around \(x=0\).

[[_2nd_order, _linear, _nonhomogeneous]]

0.479

7660

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

[[_2nd_order, _with_linear_symmetries]]

0.584

7661

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

[[_2nd_order, _linear, _nonhomogeneous]]

0.490

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]]

1.324

7663

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

[[_2nd_order, _linear, _nonhomogeneous]]

0.618

7664

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

[_Gegenbauer]

0.694

7665

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

[[_2nd_order, _missing_x]]

6.092

7666

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

[[_3rd_order, _missing_x]]

0.068

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]]

1.648

7668

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

[[_high_order, _missing_x]]

0.071

7669

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

[[_3rd_order, _missing_x]]

0.067

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]]

77.478

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]]

2.546

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]]

72.338

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]]

11.676

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]]

109.671

7675

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

[[_linear, ‘class A‘]]

2.215

7676

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

[_linear]

4.332

7677

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

[[_linear, ‘class A‘]]

2.118

7678

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

[_linear]

2.934

7679

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

[_linear]

2.638

7680

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

[_linear]

2.486

7681

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

[_linear]

7.209

7682

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

[_separable]

7.116

7683

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

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

4.381

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]]

218.716

7685

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

[[_2nd_order, _exact, _linear, _homogeneous]]

28.896

7686

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

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

3.200

7687

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

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

83.726

7688

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

[[_Emden, _Fowler]]

2.963

7689

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

[[_Emden, _Fowler]]

6.208

7690

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

[[_2nd_order, _with_linear_symmetries]]

63.101

7691

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

[[_2nd_order, _with_linear_symmetries]]

3.219

7692

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

[_linear]

2.175

7693

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

[_linear]

4.911

7694

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

[_Laguerre]

5.856

7695

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

[_quadrature]

0.453

7696

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

[_separable]

4.635

7697

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

[[_linear, ‘class A‘]]

2.116

7698

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

[_linear]

2.219

7699

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

[_quadrature]

0.466

7700

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

[_separable]

14.050