2.2.197 Problems 19601 to 19700

Table 2.411: Main lookup table. Sorted sequentially by problem number.

#

ODE

CAS classification

Solved?

Maple

Mma

Sympy

time(sec)

19601

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

[[_2nd_order, _with_linear_symmetries]]

0.849

19602

\begin{align*} 4 y^{\prime \prime } x +2 y^{\prime }+y&=0 \\ \end{align*}
Series expansion around \(x=0\).

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

0.892

19603

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

[[_2nd_order, _exact, _linear, _homogeneous]]

0.882

19604

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

[[_2nd_order, _with_linear_symmetries]]

0.919

19605

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

[[_2nd_order, _with_linear_symmetries]]

0.793

19606

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

[_Lienard]

0.591

19607

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

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

0.218

19608

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

[[_2nd_order, _with_linear_symmetries]]

0.275

19609

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

[[_2nd_order, _with_linear_symmetries]]

0.696

19610

\begin{align*} 4 x^{2} y^{\prime \prime }-8 x^{2} y^{\prime }+\left (4 x^{2}+1\right ) y&=0 \\ \end{align*}
Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

0.773

19611

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

[_Lienard]

0.757

19612

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

[[_2nd_order, _with_linear_symmetries]]

0.825

19613

\begin{align*} y^{\prime \prime } x -y^{\prime }+4 x^{3} y&=0 \\ \end{align*}
Series expansion around \(x=0\).

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

0.763

19614

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

[_Bessel]

3.480

19615

\begin{align*} x^{2} y^{\prime \prime }+y^{\prime } x +\left (x^{2}-\frac {1}{4}\right ) y&=0 \\ \end{align*}
Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

0.733

19616

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

[_Jacobi]

0.949

19617

\begin{align*} \left (2 x^{2}+2 x \right ) y^{\prime \prime }+\left (5 x +1\right ) y^{\prime }+y&=0 \\ \end{align*}
Series expansion around \(x=0\).

[[_2nd_order, _exact, _linear, _homogeneous]]

0.794

19618

\begin{align*} \left (x^{2}-1\right ) y^{\prime \prime }+\left (5 x +4\right ) y^{\prime }+4 y&=0 \\ \end{align*}
Series expansion around \(x=-1\).

[[_2nd_order, _with_linear_symmetries]]

1.032

19619

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

[[_2nd_order, _exact, _linear, _homogeneous]]

0.988

19620

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

[[_2nd_order, _exact, _linear, _homogeneous]]

0.686

19621

\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 \(x=\infty \).

[_Gegenbauer]

1.456

19622

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

[_Bessel]

0.437

19623

\begin{align*} y^{\prime }+y&=3 \,{\mathrm e}^{2 x} \\ y \left (0\right ) &= 0 \\ \end{align*}
Using Laplace transform method.

[[_linear, ‘class A‘]]

0.445

19624

\begin{align*} y^{\prime \prime }-4 y^{\prime }+4 y&=0 \\ y \left (0\right ) &= 0 \\ y^{\prime }\left (0\right ) &= 3 \\ \end{align*}
Using Laplace transform method.

[[_2nd_order, _missing_x]]

0.186

19625

\begin{align*} y^{\prime \prime }+2 y^{\prime }+2 y&=2 \\ y \left (0\right ) &= 0 \\ y^{\prime }\left (0\right ) &= 1 \\ \end{align*}
Using Laplace transform method.

[[_2nd_order, _missing_x]]

0.336

19626

\begin{align*} y^{\prime \prime }+y^{\prime }&=3 x^{2} \\ y \left (0\right ) &= 0 \\ y^{\prime }\left (0\right ) &= 1 \\ \end{align*}
Using Laplace transform method.

[[_2nd_order, _missing_y]]

0.369

19627

\begin{align*} 5 y+2 y^{\prime }+y^{\prime \prime }&=3 \,{\mathrm e}^{-x} \sin \left (x \right ) \\ y \left (0\right ) &= 0 \\ y^{\prime }\left (0\right ) &= 3 \\ \end{align*}
Using Laplace transform method.

[[_2nd_order, _linear, _nonhomogeneous]]

0.383

19628

\begin{align*} y^{\prime \prime }-2 a y^{\prime }+a^{2} y&=0 \\ y \left (0\right ) &= y_{0} \\ y^{\prime }\left (0\right ) &= \operatorname {yd}_{0} \\ \end{align*}
Using Laplace transform method.

[[_2nd_order, _missing_x]]

0.279

19629

\begin{align*} y^{\prime \prime } x +\left (3 x -1\right ) y^{\prime }-\left (9+4 x \right ) y&=0 \\ y \left (0\right ) &= 0 \\ y^{\prime }\left (0\right ) &= 0 \\ \end{align*}
Using Laplace transform method.

[[_2nd_order, _with_linear_symmetries]]

0.331

19630

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

[[_2nd_order, _linear, _nonhomogeneous]]

0.385

19631

\begin{align*} y^{\prime \prime }+x^{2} y&=0 \\ y \left (0\right ) &= y_{0} \\ y^{\prime }\left (0\right ) &= \operatorname {yd}_{0} \\ \end{align*}
Using Laplace transform method.

[[_Emden, _Fowler]]

2.932

19632

\begin{align*} y^{\prime \prime }+a^{2} y&=f \left (x \right ) \\ y \left (0\right ) &= 0 \\ y^{\prime }\left (0\right ) &= 0 \\ \end{align*}
Using Laplace transform method.

[[_2nd_order, _linear, _nonhomogeneous]]

1.528

19633

\begin{align*} y^{\prime \prime }+5 y^{\prime }+6 y&=4 \,{\mathrm e}^{3 t} \\ y \left (0\right ) &= 0 \\ y^{\prime }\left (0\right ) &= 0 \\ \end{align*}
Using Laplace transform method.

[[_2nd_order, _with_linear_symmetries]]

0.341

19634

\begin{align*} y^{\prime \prime }+y^{\prime }-6 y&=t \\ y \left (0\right ) &= 0 \\ y^{\prime }\left (0\right ) &= 0 \\ \end{align*}
Using Laplace transform method.

[[_2nd_order, _with_linear_symmetries]]

0.339

19635

\begin{align*} y^{\prime \prime }-y^{\prime }&=t^{2} \\ y \left (0\right ) &= 0 \\ y^{\prime }\left (0\right ) &= 0 \\ \end{align*}
Using Laplace transform method.

[[_2nd_order, _missing_y]]

0.375

19636

\begin{align*} y^{\prime \prime }+3 y^{\prime }+2 y&=f \left (t \right ) \\ y \left (0\right ) &= 0 \\ y^{\prime }\left (0\right ) &= 0 \\ \end{align*}
Using Laplace transform method.

[[_2nd_order, _linear, _nonhomogeneous]]

1.536

19637

\begin{align*} x^{\prime }&=x+3 y \\ y^{\prime }&=3 x+y \\ \end{align*}
With initial conditions
\begin{align*} x \left (0\right ) &= 5 \\ y \left (0\right ) &= 1 \\ \end{align*}

system_of_ODEs

0.402

19638

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

system_of_ODEs

0.439

19639

\begin{align*} x^{\prime }&=x+2 y+t -1 \\ y^{\prime }&=3 x+2 y-5 t -2 \\ \end{align*}

system_of_ODEs

0.691

19640

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

system_of_ODEs

0.281

19641

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

system_of_ODEs

0.245

19642

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

system_of_ODEs

0.415

19643

\begin{align*} x^{\prime }&=4 x-2 y \\ y^{\prime }&=5 x+2 y \\ \end{align*}

system_of_ODEs

0.622

19644

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

system_of_ODEs

0.378

19645

\begin{align*} x^{\prime }&=4 x-3 y \\ y^{\prime }&=8 x-6 y \\ \end{align*}

system_of_ODEs

0.430

19646

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

system_of_ODEs

0.297

19647

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

system_of_ODEs

0.338

19648

\begin{align*} x^{\prime }&=7 x+6 y \\ y^{\prime }&=2 x+6 y \\ \end{align*}

system_of_ODEs

0.471

19649

\begin{align*} x^{\prime }&=x-2 y \\ y^{\prime }&=4 x+5 y \\ \end{align*}

system_of_ODEs

0.601

19650

\begin{align*} x^{\prime }&=x+y-5 t +2 \\ y^{\prime }&=4 x-2 y-8 t -8 \\ \end{align*}

system_of_ODEs

0.672

19651

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

system_of_ODEs

0.299

19652

\begin{align*} x^{\prime }&=-x-2 y \\ y^{\prime }&=4 x-5 y \\ \end{align*}

system_of_ODEs

0.581

19653

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

system_of_ODEs

0.402

19654

\begin{align*} x^{\prime }&=5 x+2 y \\ y^{\prime }&=-17 x-5 y \\ \end{align*}

system_of_ODEs

0.490

19655

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

system_of_ODEs

0.327

19656

\begin{align*} x^{\prime }&=4 x-3 y \\ y^{\prime }&=8 x-6 y \\ \end{align*}

system_of_ODEs

0.436

19657

\begin{align*} x^{\prime }&=4 x-2 y \\ y^{\prime }&=5 x+2 y \\ \end{align*}

system_of_ODEs

0.531

19658

\begin{align*} x^{\prime \prime }+\left (5 x^{4}-9 x^{2}\right ) x^{\prime }+x^{5}&=0 \\ \end{align*}

[[_2nd_order, _missing_x]]

198.194

19659

\begin{align*} x^{\prime }&=3 t^{2}+4 t \\ x \left (1\right ) &= 0 \\ \end{align*}

[_quadrature]

0.485

19660

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

[_quadrature]

0.370

19661

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

[_quadrature]

1.440

19662

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

[_quadrature]

0.483

19663

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

[_quadrature]

0.469

19664

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

[_quadrature]

1.117

19665

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

[_quadrature]

6.204

19666

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

[_quadrature]

1.150

19667

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

[_quadrature]

0.944

19668

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

[_quadrature]

6.209

19669

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

[_quadrature]

3.301

19670

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

[_quadrature]

12.561

19671

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

[_separable]

0.403

19672

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

[_separable]

9.841

19673

\begin{align*} x^{\prime }&=\cos \left (\frac {x}{t}\right ) \\ \end{align*}

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

4.681

19674

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

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

13.401

19675

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

[[_linear, ‘class A‘]]

3.945

19676

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

[_exact, _rational, [_1st_order, ‘_with_symmetry_[F(x),G(x)]‘], [_Abel, ‘2nd type‘, ‘class A‘]]

4.658

19677

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

[[_linear, ‘class A‘]]

2.088

19678

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

[_separable]

3.463

19679

\begin{align*} x^{\prime }-x \tan \left (t \right )&=4 \sin \left (t \right ) \\ \end{align*}

[_linear]

2.636

19680

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

[_linear]

3.974

19681

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

[_separable]

3.846

19682

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

[_linear]

3.520

19683

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

[_linear]

2.573

19684

\begin{align*} t^{2} x^{\prime \prime }-6 t x^{\prime }+12 x&=0 \\ \end{align*}

[[_Emden, _Fowler]]

2.369

19685

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

[_quadrature]

1.758

19686

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

system_of_ODEs

0.343

19687

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

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

2.740

19688

\begin{align*} x^{\prime \prime }-5 x^{\prime }+6 x&=0 \\ \end{align*}

[[_2nd_order, _missing_x]]

0.187

19689

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

[[_2nd_order, _missing_x]]

0.251

19690

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

[[_2nd_order, _missing_x]]

0.561

19691

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

[[_2nd_order, _missing_x]]

1.294

19692

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

[[_2nd_order, _missing_x]]

0.318

19693

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

[[_2nd_order, _missing_x]]

1.467

19694

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

[[_2nd_order, _missing_x]]

0.394

19695

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

[[_2nd_order, _missing_x]]

0.644

19696

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

[[_2nd_order, _with_linear_symmetries]]

0.460

19697

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

[[_2nd_order, _with_linear_symmetries]]

0.521

19698

\begin{align*} x^{\prime \prime }+2 x^{\prime }+4 x&={\mathrm e}^{t} \cos \left (2 t \right ) \\ x \left (0\right ) &= 0 \\ x^{\prime }\left (0\right ) &= 1 \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

0.719

19699

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

[[_2nd_order, _linear, _nonhomogeneous]]

0.610

19700

\begin{align*} x^{\prime \prime }+4 x^{\prime }+3 x&=t \sin \left (t \right ) \\ x \left (0\right ) &= 0 \\ x^{\prime }\left (0\right ) &= 1 \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

0.692