2.2.229 Problems 22801 to 22900

Table 2.475: Main lookup table. Sorted sequentially by problem number.

#

ODE

CAS classification

Solved?

Maple

Mma

Sympy

time(sec)

22801

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

[[_2nd_order, _with_linear_symmetries]]

1.350

22802

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

[_Lienard]

1.612

22803

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

[[_2nd_order, _missing_x]]

6.897

22804

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

[_rational, _Riccati]

8.556

22805

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

[[_2nd_order, _with_exponential_symmetries], [_2nd_order, _with_linear_symmetries], [_2nd_order, _reducible, _mu_y_y1]]

2.747

22806

\begin{align*} Q^{\prime \prime }+k Q&=e \left (t \right ) \\ Q \left (0\right ) &= q_{0} \\ Q^{\prime }\left (0\right ) &= 0 \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

3.549

22807

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

[[_2nd_order, _quadrature]]

2.895

22808

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

[[_2nd_order, _linear, _nonhomogeneous]]

5.062

22809

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

Using Laplace transform method.

[[_2nd_order, _missing_x]]

0.913

22810

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

Using Laplace transform method.

[[_2nd_order, _missing_x]]

0.809

22811

\begin{align*} y^{\prime \prime }+9 y&=20 \,{\mathrm e}^{-t} \\ y \left (0\right ) &= 0 \\ y^{\prime }\left (0\right ) &= 1 \\ \end{align*}

Using Laplace transform method.

[[_2nd_order, _with_linear_symmetries]]

0.851

22812

\begin{align*} y^{\prime \prime }-2 y^{\prime }+y&=12 t \\ y \left (0\right ) &= 4 \\ y^{\prime }\left (0\right ) &= 1 \\ \end{align*}

Using Laplace transform method.

[[_2nd_order, _with_linear_symmetries]]

0.909

22813

\begin{align*} y^{\prime \prime }+8 y^{\prime }+25 y&=100 \\ y \left (0\right ) &= 2 \\ y^{\prime }\left (0\right ) &= 20 \\ \end{align*}

Using Laplace transform method.

[[_2nd_order, _missing_x]]

0.876

22814

\begin{align*} y^{\prime \prime \prime }+3 y^{\prime \prime }+3 y^{\prime }+y&=12 \,{\mathrm e}^{-t} \\ y \left (0\right ) &= 1 \\ y^{\prime }\left (0\right ) &= 0 \\ y^{\prime \prime }\left (0\right ) &= -3 \\ \end{align*}

Using Laplace transform method.

[[_3rd_order, _with_linear_symmetries]]

0.951

22815

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

Using Laplace transform method.

[[_high_order, _linear, _nonhomogeneous]]

1.227

22816

\begin{align*} y^{\prime \prime }+y&=0 \\ y \left (0\right ) &= 0 \\ y \left (\frac {\pi }{2}\right ) &= -4 \\ \end{align*}

Using Laplace transform method.

[[_2nd_order, _missing_x]]

0.613

22817

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

Using Laplace transform method.

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

0.713

22818

\begin{align*} y^{\prime }+2 y&=5 \delta \left (t -1\right ) \\ y \left (0\right ) &= 2 \\ \end{align*}

Using Laplace transform method.

[[_linear, ‘class A‘]]

3.463

22819

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

Using Laplace transform method.

[[_2nd_order, _linear, _nonhomogeneous]]

4.081

22820

\begin{align*} y^{\prime \prime }+4 y^{\prime }+4 y&=6 \delta \left (t -2\right ) \\ y \left (0\right ) &= 0 \\ y^{\prime }\left (0\right ) &= 0 \\ \end{align*}

Using Laplace transform method.

[[_2nd_order, _linear, _nonhomogeneous]]

3.041

22821

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

Series expansion around \(x=0\).

[_quadrature]

0.660

22822

\begin{align*} y^{\prime }&=y x \\ y \left (0\right ) &= 5 \\ \end{align*}

Series expansion around \(x=0\).

[_separable]

0.793

22823

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

Series expansion around \(x=0\).

[[_linear, ‘class A‘]]

0.822

22824

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

Series expansion around \(x=0\).

[[_2nd_order, _missing_x]]

0.761

22825

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

Series expansion around \(x=1\).

[[_2nd_order, _missing_y]]

0.998

22826

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

Series expansion around \(x=1\).

[[_Emden, _Fowler]]

1.185

22827

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

Series expansion around \(x=0\).

[[_2nd_order, _exact, _linear, _homogeneous]]

0.980

22828

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

Series expansion around \(x=2\).

[[_2nd_order, _exact, _linear, _homogeneous]]

1.545

22829

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

Series expansion around \(x=0\).

[_Gegenbauer]

0.936

22830

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

Series expansion around \(x=1\).

[[_2nd_order, _missing_y]]

1.060

22831

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

Series expansion around \(x=1\).

[[_2nd_order, _missing_x]]

1.303

22832

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

Series expansion around \(x=2\).

[[_Emden, _Fowler]]

1.258

22833

\begin{align*} \left (-x^{2}+1\right ) y^{\prime \prime }-2 x y^{\prime }+6 y&=0 \\ \end{align*}

Series expansion around \(x=0\).

[_Gegenbauer]

1.113

22834

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

Series expansion around \(x={\frac {1}{2}}\).

[[_2nd_order, _with_linear_symmetries]]

1.184

22835

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

Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

1.028

22836

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

Series expansion around \(x=1\).

[[_2nd_order, _with_linear_symmetries]]

1.411

22837

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

Series expansion around \(x=0\).

[[_Emden, _Fowler]]

0.763

22838

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

Series expansion around \(x=0\).

[_quadrature]

0.655

22839

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

Series expansion around \(x=0\).

[[_linear, ‘class A‘]]

0.846

22840

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

Series expansion around \(x=0\).

[[_linear, ‘class A‘]]

0.742

22841

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

Series expansion around \(x=0\).

[_separable]

0.817

22842

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

Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

0.910

22843

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

Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

0.922

22844

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

Series expansion around \(x=0\).

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

1.502

22845

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

Series expansion around \(x=0\).

[[_2nd_order, _linear, _nonhomogeneous]]

0.987

22846

\begin{align*} \left (-x^{2}+1\right ) y^{\prime \prime }-2 x y^{\prime }+6 y&=0 \\ \end{align*}

Series expansion around \(x=1\).

[_Gegenbauer]

2.076

22847

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

Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

1.011

22848

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

Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

1.492

22849

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

Series expansion around \(x=0\).

[[_2nd_order, _missing_x]]

0.728

22850

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

Series expansion around \(x=0\).

[_Lienard]

1.645

22851

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

Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

1.612

22852

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

Series expansion around \(x=0\).

[[_2nd_order, _exact, _linear, _homogeneous]]

2.120

22853

\begin{align*} \left (-x^{2}+1\right ) y^{\prime \prime }-2 x y^{\prime }+12 y&=0 \\ \end{align*}

Series expansion around \(x=0\).

[_Gegenbauer]

1.093

22854

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

Series expansion around \(x=0\).

[[_Emden, _Fowler]]

8.762

22855

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

Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

1.648

22856

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

Series expansion around \(x=0\).

[_Laguerre]

1.822

22857

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

Series expansion around \(x=0\).

[[_Emden, _Fowler]]

2.013

22858

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

Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

1.638

22859

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

Series expansion around \(x=0\).

[[_Emden, _Fowler]]

1.749

22860

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

Series expansion around \(x=0\).

[[_2nd_order, _exact, _linear, _homogeneous]]

1.759

22861

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

Series expansion around \(x=0\).

[_Bessel]

11.793

22862

\begin{align*} U^{\prime \prime }+\frac {2 U^{\prime }}{r}+a U&=0 \\ \end{align*}

Series expansion around \(r=0\).

[[_2nd_order, _with_linear_symmetries]]

1.828

22863

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

Series expansion around \(x=0\).

[[_2nd_order, _exact, _linear, _nonhomogeneous]]

2.213

22864

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

Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

1.937

22865

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

Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

1.396

22866

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

Series expansion around \(x=0\).

[[_2nd_order, _linear, _nonhomogeneous]]

1.379

22867

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

Series expansion around \(x=0\).

[[_Emden, _Fowler]]

1.826

22868

\begin{align*} x^{2} y^{\prime \prime }+x y^{\prime }+\left (x^{2}-\frac {1}{9}\right ) y&=0 \\ \end{align*}

Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

1.563

22869

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

Series expansion around \(x=0\).

[_Bessel]

11.935

22870

\begin{align*} x^{2} y^{\prime \prime }+x y^{\prime }+\left (x^{2}-8\right ) y&=0 \\ \end{align*}

Series expansion around \(x=0\).

[_Bessel]

1.672

22871

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

Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

11.787

22872

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

Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

1.648

22873

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

Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

11.882

22874

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

Series expansion around \(x=0\).

[[_2nd_order, _missing_x]]

0.974

22875

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

Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

1.451

22876

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

Series expansion around \(x=0\).

[[_Emden, _Fowler]]

0.756

22877

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

Series expansion around \(x=0\).

[[_Emden, _Fowler]]

8.344

22878

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

Series expansion around \(x=0\).

[_Lienard]

1.381

22879

\begin{align*} \left (-x^{2}+1\right ) y^{\prime \prime }-2 x y^{\prime }+6 y&=0 \\ y \left (\frac {1}{2}\right ) &= 10 \\ \end{align*}

Series expansion around \(x={\frac {1}{2}}\).

[_Gegenbauer]

1.719

22880

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

Series expansion around \(x=0\).

[_Gegenbauer]

1.021

22881

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

Series expansion around \(x=0\).

[[_2nd_order, _exact, _linear, _homogeneous]]

1.650

22882

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

With initial conditions

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

system_of_ODEs

0.808

22883

\begin{align*} u^{\prime }&=2 v-1 \\ v^{\prime }&=1+2 u \\ \end{align*}

system_of_ODEs

0.993

22884

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

system_of_ODEs

0.928

22885

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

system_of_ODEs

0.098

22886

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

system_of_ODEs

0.078

22887

\begin{align*} y^{\prime }+6 y&=x^{\prime } \\ 3 x-x^{\prime }&=2 y^{\prime } \\ \end{align*}

With initial conditions

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

system_of_ODEs

0.858

22888

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

system_of_ODEs

1.268

22889

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

system_of_ODEs

0.471

22890

\begin{align*} x^{\prime \prime }+2 y^{\prime }+8 x&=32 t \\ y^{\prime \prime }+3 x^{\prime }-2 y&=60 \,{\mathrm e}^{-t} \\ \end{align*}

With initial conditions

\begin{align*} x \left (0\right ) &= 6 \\ x^{\prime }\left (0\right ) &= 0 \\ y \left (0\right ) &= -24 \\ y^{\prime }\left (0\right ) &= 0 \\ \end{align*}

system_of_ODEs

0.057

22891

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

system_of_ODEs

0.674

22892

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

system_of_ODEs

0.087

22893

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

system_of_ODEs

0.085

22894

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

system_of_ODEs

0.108

22895

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

With initial conditions

\begin{align*} x \left (0\right ) &= 2 \\ x^{\prime }\left (0\right ) &= -1 \\ y \left (0\right ) &= -{\frac {9}{2}} \\ y^{\prime }\left (0\right ) &= -{\frac {7}{2}} \\ \end{align*}

system_of_ODEs

0.056

22896

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

With initial conditions

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

system_of_ODEs

1.533

22897

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

system_of_ODEs

0.095

22898

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

system_of_ODEs

0.096

22899

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

system_of_ODEs

0.078

22900

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

system_of_ODEs

6.848