2.2.90 Problems 8901 to 9000

Table 2.197: Main lookup table. Sorted sequentially by problem number.

#

ODE

CAS classification

Solved?

Maple

Mma

Sympy

time(sec)

8901

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

[[_2nd_order, _missing_x]]

0.563

8902

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

[[_2nd_order, _missing_x]]

0.409

8903

\begin{align*} y^{\prime \prime }+10 y&=0 \\ y \left (0\right ) &= \pi \\ y^{\prime }\left (0\right ) &= \pi ^{2} \\ \end{align*}

[[_2nd_order, _missing_x]]

3.685

8904

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

[[_2nd_order, _linear, _nonhomogeneous]]

0.647

8905

\begin{align*} y^{\prime \prime }+9 y&=\sin \left (3 x \right ) \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

0.693

8906

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

[[_2nd_order, _linear, _nonhomogeneous]]

0.592

8907

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

[[_2nd_order, _with_linear_symmetries]]

0.520

8908

\begin{align*} y^{\prime \prime }-4 y^{\prime }+5 y&=3 \,{\mathrm e}^{-x}+2 x^{2} \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

0.628

8909

\begin{align*} y^{\prime \prime }-7 y^{\prime }+6 y&=\sin \left (x \right ) \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

0.566

8910

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

[[_2nd_order, _linear, _nonhomogeneous]]

1.261

8911

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

[[_2nd_order, _linear, _nonhomogeneous]]

0.605

8912

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

[[_2nd_order, _with_linear_symmetries]]

0.513

8913

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

[[_2nd_order, _with_linear_symmetries]]

0.545

8914

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

[[_2nd_order, _linear, _nonhomogeneous]]

2.494

8915

\begin{align*} y^{\prime \prime \prime }-8 y&=0 \\ \end{align*}

[[_3rd_order, _missing_x]]

0.061

8916

\begin{align*} y^{\prime \prime \prime \prime }+16 y&=0 \\ \end{align*}

[[_high_order, _missing_x]]

0.072

8917

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

[[_3rd_order, _missing_x]]

0.084

8918

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

[[_3rd_order, _missing_x]]

0.101

8919

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

[[_high_order, _missing_x]]

0.090

8920

\begin{align*} y^{\prime \prime \prime \prime }-16 y&=0 \\ \end{align*}

[[_high_order, _missing_x]]

0.066

8921

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

[[_3rd_order, _missing_x]]

0.079

8922

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

[[_3rd_order, _missing_x]]

0.099

8923

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

[[_3rd_order, _missing_x]]

0.121

8924

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

[[_high_order, _missing_x]]

0.216

8925

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

[[_2nd_order, _missing_x]]

1.586

8926

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

[[_2nd_order, _missing_x]]

1.437

8927

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

[[_high_order, _missing_x]]

0.065

8928

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

[[_high_order, _missing_x]]

0.146

8929

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

[[_high_order, _missing_x]]

0.091

8930

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

[[_3rd_order, _missing_x]]

0.440

8931

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

[[_3rd_order, _missing_x]]

0.106

8932

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

[[_2nd_order, _missing_x]]

0.397

8933

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

[[_high_order, _missing_x]]

0.179

8934

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

[[_3rd_order, _with_linear_symmetries]]

0.154

8935

\begin{align*} y^{\prime \prime \prime }-8 y&={\mathrm e}^{i x} \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

1.088

8936

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

[[_high_order, _linear, _nonhomogeneous]]

0.175

8937

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

[[_high_order, _with_linear_symmetries]]

0.220

8938

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

[[_high_order, _linear, _nonhomogeneous]]

0.564

8939

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

[[_2nd_order, _linear, _nonhomogeneous]]

0.763

8940

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

[[_2nd_order, _linear, _nonhomogeneous]]

0.533

8941

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

[[_2nd_order, _linear, _nonhomogeneous]]

0.553

8942

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

[[_2nd_order, _linear, _nonhomogeneous]]

0.858

8943

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

[[_2nd_order, _linear, _nonhomogeneous]]

0.937

8944

\begin{align*} y^{\prime \prime }+9 y&=x^{2} {\mathrm e}^{3 x} \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

0.595

8945

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

[[_2nd_order, _linear, _nonhomogeneous]]

0.955

8946

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

[[_2nd_order, _linear, _nonhomogeneous]]

0.885

8947

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

[[_3rd_order, _quadrature]]

0.896

8948

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

[[_3rd_order, _linear, _nonhomogeneous]]

0.220

8949

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

[[_2nd_order, _exact, _linear, _homogeneous]]

22.941

8950

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

[[_2nd_order, _exact, _linear, _homogeneous]]

22.786

8951

\begin{align*} \left (3 x -1\right )^{2} y^{\prime \prime }+\left (9 x -3\right ) y^{\prime }-9 y&=0 \\ \end{align*}

[[_2nd_order, _exact, _linear, _homogeneous]]

3.011

8952

\begin{align*} x^{2} y^{\prime \prime }-7 x y^{\prime }+15 y&=0 \\ \end{align*}

[[_Emden, _Fowler]]

0.164

8953

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

[[_Emden, _Fowler]]

0.159

8954

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

[[_2nd_order, _with_linear_symmetries]]

0.158

8955

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

[_Laguerre]

0.162

8956

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

[_Gegenbauer]

0.176

8957

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

[[_2nd_order, _with_linear_symmetries]]

0.213

8958

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

[[_3rd_order, _with_linear_symmetries]]

0.219

8959

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

[[_2nd_order, _exact, _linear, _homogeneous]]

0.155

8960

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

[[_Emden, _Fowler]]

0.158

8961

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

[[_2nd_order, _with_linear_symmetries]]

0.901

8962

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

Series expansion around \(x=0\).

[_Hermite]

0.477

8963

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

Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

0.559

8964

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

Series expansion around \(x=0\).

[[_Emden, _Fowler]]

0.425

8965

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

Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

0.547

8966

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

Series expansion around \(x=0\).

[[_2nd_order, _missing_x]]

0.425

8967

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

Series expansion around \(x=1\).

[[_2nd_order, _with_linear_symmetries]]

0.619

8968

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

Series expansion around \(x=0\).

[[_Emden, _Fowler]]

0.532

8969

\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]]

0.637

8970

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

[[_3rd_order, _with_linear_symmetries]]

0.058

8971

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

Series expansion around \(x=0\).

[_Gegenbauer]

0.861

8972

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

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

2.537

8973

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

[[_2nd_order, _with_linear_symmetries]]

6.641

8974

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

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

1.216

8975

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

[[_Emden, _Fowler]]

1.428

8976

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

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

2.053

8977

\begin{align*} x^{2} y^{\prime \prime }-5 x y^{\prime }+9 y&=x^{2} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

2.513

8978

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

[[_3rd_order, _exact, _linear, _homogeneous]]

0.210

8979

\begin{align*} x^{2} y^{\prime \prime }+x y^{\prime }+4 y&=1 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

2.855

8980

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

[[_Emden, _Fowler]]

2.849

8981

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

[[_Emden, _Fowler]]

1.836

8982

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

[[_2nd_order, _with_linear_symmetries]]

3.355

8983

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

Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

1.342

8984

\begin{align*} 3 x^{2} y^{\prime \prime }+x^{6} y^{\prime }+2 y x&=0 \\ \end{align*}

Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

4.543

8985

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

Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

0.356

8986

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

Series expansion around \(x=0\).

[[_Emden, _Fowler]]

4.041

8987

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

Series expansion around \(x=1\).

[_Gegenbauer]

1.370

8988

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

Series expansion around \(x=-2\).

[[_2nd_order, _with_linear_symmetries]]

1.674

8989

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

Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

1.079

8990

\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]]

1.177

8991

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

Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

1.450

8992

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

Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

1.387

8993

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

Series expansion around \(x=0\).

[[_Emden, _Fowler]]

1.494

8994

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

Series expansion around \(x=0\).

[_Lienard]

0.967

8995

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

Series expansion around \(x=0\).

[[_Emden, _Fowler]]

1.183

8996

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

Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

1.444

8997

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

Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

7.072

8998

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

Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

1.260

8999

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

Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

1.118

9000

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

Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

1.339