2.2.250 Problems 24901 to 25000

Table 2.517: Main lookup table. Sorted sequentially by problem number.

#

ODE

CAS classification

Solved?

Maple

Mma

Sympy

time(sec)

24901

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

[[_2nd_order, _missing_y]]

2.463

24902

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

[[_2nd_order, _missing_y], [_2nd_order, _reducible, _mu_xy]]

13.668

24903

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

[[_2nd_order, _missing_y]]

28.385

24904

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

[[_2nd_order, _missing_y]]

1.984

24905

\begin{align*} {y^{\prime \prime }}^{3}&=12 y^{\prime } \left (-2 y^{\prime }+y^{\prime \prime } x \right ) \\ \end{align*}

[[_2nd_order, _missing_y]]

4.507

24906

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

[[_2nd_order, _missing_x], [_2nd_order, _reducible, _mu_x_y1]]

78.421

24907

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

[[_2nd_order, _missing_x], [_2nd_order, _reducible, _mu_x_y1]]

83.454

24908

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

[_quadrature]

12.102

24909

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

[_separable]

21.464

24910

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

[[_2nd_order, _missing_x]]

11.773

24911

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

[_quadrature]

17.677

24912

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

[_quadrature]

17.211

24913

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

[_rational, _Bernoulli]

28.039

24914

\begin{align*} y^{\prime }&=\frac {y^{2}-4 t y+6 t^{2}}{t^{2}} \\ \end{align*}

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

62.419

24915

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

[_quadrature]

5.743

24916

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

[[_linear, ‘class A‘]]

11.887

24917

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

[_quadrature]

12.415

24918

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

[_separable]

28.921

24919

\begin{align*} y^{\prime }&=-{\mathrm e}^{y}-1 \\ \end{align*}

[_quadrature]

19.038

24920

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

[_separable]

22.516

24921

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

[_quadrature]

21.421

24922

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

[_quadrature]

0.935

24923

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

[_quadrature]

0.934

24924

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

[_quadrature]

0.967

24925

\begin{align*} y^{\prime }&=\frac {1+t}{t} \\ \end{align*}

[_quadrature]

0.973

24926

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

[[_2nd_order, _quadrature]]

3.579

24927

\begin{align*} y^{\prime \prime }&=6 \sin \left (3 t \right ) \\ \end{align*}

[[_2nd_order, _quadrature]]

3.314

24928

\begin{align*} y^{\prime }&=3 y+12 \\ y \left (0\right ) &= -2 \\ \end{align*}

[_quadrature]

6.408

24929

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

[[_linear, ‘class A‘]]

11.792

24930

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

[_quadrature]

21.819

24931

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

[_separable]

23.779

24932

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

[_quadrature]

1.491

24933

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

[_quadrature]

1.514

24934

\begin{align*} y^{\prime \prime }&=6 \sin \left (3 t \right ) \\ y \left (0\right ) &= 1 \\ y^{\prime }\left (0\right ) &= 2 \\ \end{align*}

[[_2nd_order, _quadrature]]

5.926

24935

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

[_quadrature]

8.027

24936

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

[_quadrature]

17.701

24937

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

[_Bernoulli]

17.737

24938

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

[_quadrature]

19.216

24939

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

[[_linear, ‘class A‘]]

12.345

24940

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

[_separable]

28.720

24941

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

[[_linear, ‘class A‘]]

12.836

24942

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

[_separable]

73.234

24943

\begin{align*} y^{\prime }&=\frac {t y}{1+y} \\ \end{align*}

[_separable]

31.753

24944

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

[_quadrature]

17.684

24945

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

[_Bernoulli]

17.380

24946

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

[[_linear, ‘class A‘]]

11.619

24947

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

[_quadrature]

9.828

24948

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

[_quadrature]

18.177

24949

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

[_quadrature]

8.842

24950

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

[_linear]

20.249

24951

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

[_Bernoulli]

19.874

24952

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

[_separable]

19.355

24953

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

[_separable]

29.368

24954

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

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

411.973

24955

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

[[_Riccati, _special]]

60.477

24956

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

[_separable]

67.714

24957

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

[_separable]

92.450

24958

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

[_separable]

121.653

24959

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

[_separable]

98.757

24960

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

[_separable]

27.928

24961

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

[_separable]

68.645

24962

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

[_separable]

22.825

24963

\begin{align*} y^{\prime }&=t^{m} y^{n} \\ \end{align*}

[_separable]

127.409

24964

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

[_quadrature]

18.772

24965

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

[_quadrature]

15.132

24966

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

[_quadrature]

23.385

24967

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

[_separable]

27.466

24968

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

[_separable]

57.000

24969

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

[_separable]

26.736

24970

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

[_separable]

21.738

24971

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

[_quadrature]

20.774

24972

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

[_separable]

86.935

24973

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

[_separable]

37.875

24974

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

[_separable]

27.626

24975

\begin{align*} y^{\prime }&=\frac {\cot \left (y\right )}{t} \\ y \left (1\right ) &= \frac {\pi }{4} \\ \end{align*}

[_separable]

62.665

24976

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

[_separable]

36.240

24977

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

[_separable]

35.533

24978

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

[_separable]

32.718

24979

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

[[_linear, ‘class A‘]]

14.740

24980

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

[_linear]

16.862

24981

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

[[_linear, ‘class A‘]]

11.763

24982

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

[_linear]

15.868

24983

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

[_linear]

33.367

24984

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

[_linear]

11.763

24985

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

[[_linear, ‘class A‘]]

11.352

24986

\begin{align*} y^{\prime }-3 y&=25 \cos \left (4 t \right ) \\ \end{align*}

[[_linear, ‘class A‘]]

11.732

24987

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

[_separable]

22.787

24988

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

[_linear]

22.813

24989

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

[_quadrature]

12.628

24990

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

[_separable]

26.057

24991

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

[_linear]

29.721

24992

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

[_linear]

34.780

24993

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

[[_linear, ‘class A‘]]

10.878

24994

\begin{align*} y^{\prime }+a y&={\mathrm e}^{b t} \\ \end{align*}

[[_linear, ‘class A‘]]

23.322

24995

\begin{align*} y^{\prime }+a y&=t^{n} {\mathrm e}^{-a t} \\ \end{align*}

[[_linear, ‘class A‘]]

33.956

24996

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

[_linear]

11.700

24997

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

[_separable]

49.056

24998

\begin{align*} y^{\prime }-\frac {n y}{t}&={\mathrm e}^{t} t^{n} \\ \end{align*}

[_linear]

21.736

24999

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

[[_linear, ‘class A‘]]

12.609

25000

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

[_linear]

38.670