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]]

0.637

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]]

1.839

24903

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

[[_2nd_order, _missing_y]]

9.776

24904

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

[[_2nd_order, _missing_y]]

0.533

24905

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

[[_2nd_order, _missing_y]]

0.979

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]]

5.719

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]]

5.044

24908

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

[_quadrature]

1.875

24909

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

[_separable]

3.743

24910

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

[[_2nd_order, _missing_x]]

2.687

24911

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

[_quadrature]

2.717

24912

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

[_quadrature]

2.798

24913

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

[_rational, _Bernoulli]

3.770

24914

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

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

8.174

24915

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

[_quadrature]

1.072

24916

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

[[_linear, ‘class A‘]]

2.128

24917

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

[_quadrature]

2.016

24918

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

[_separable]

4.427

24919

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

[_quadrature]

3.108

24920

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

[_separable]

3.821

24921

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

[_quadrature]

3.332

24922

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

[_quadrature]

0.394

24923

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

[_quadrature]

0.401

24924

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

[_quadrature]

0.425

24925

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

[_quadrature]

0.480

24926

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

[[_2nd_order, _quadrature]]

1.075

24927

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

[[_2nd_order, _quadrature]]

1.091

24928

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

[_quadrature]

1.921

24929

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

[[_linear, ‘class A‘]]

2.204

24930

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

[_quadrature]

2.793

24931

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

[_separable]

4.217

24932

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

[_quadrature]

0.505

24933

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

[_quadrature]

0.518

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]]

1.434

24935

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

[_quadrature]

1.442

24936

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

[_quadrature]

2.243

24937

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

[_Bernoulli]

2.796

24938

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

[_quadrature]

3.411

24939

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

[[_linear, ‘class A‘]]

2.009

24940

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

[_separable]

4.408

24941

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

[[_linear, ‘class A‘]]

2.634

24942

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

[_separable]

10.025

24943

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

[_separable]

4.971

24944

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

[_quadrature]

2.691

24945

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

[_Bernoulli]

2.592

24946

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

[[_linear, ‘class A‘]]

1.978

24947

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

[_quadrature]

1.769

24948

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

[_quadrature]

2.859

24949

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

[_quadrature]

1.329

24950

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

[_linear]

2.717

24951

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

[_Bernoulli]

2.988

24952

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

[_separable]

3.249

24953

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

[_separable]

5.442

24954

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

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

13.181

24955

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

[[_Riccati, _special]]

9.967

24956

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

[_separable]

9.739

24957

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

[_separable]

17.621

24958

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

[_separable]

19.438

24959

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

[_separable]

6.586

24960

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

[_separable]

4.258

24961

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

[_separable]

7.888

24962

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

[_separable]

4.625

24963

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

[_separable]

45.994

24964

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

[_quadrature]

2.915

24965

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

[_quadrature]

2.656

24966

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

[_quadrature]

4.045

24967

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

[_separable]

4.097

24968

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

[_separable]

7.473

24969

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

[_separable]

4.184

24970

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

[_separable]

3.830

24971

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

[_quadrature]

7.153

24972

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

[_separable]

23.362

24973

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

[_separable]

4.879

24974

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

[_separable]

4.499

24975

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

[_separable]

9.899

24976

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

[_separable]

5.239

24977

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

[_separable]

5.262

24978

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

[_separable]

5.843

24979

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

[[_linear, ‘class A‘]]

2.694

24980

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

[_linear]

3.942

24981

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

[[_linear, ‘class A‘]]

2.323

24982

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

[_linear]

2.758

24983

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

[_linear]

4.923

24984

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

[_linear]

2.559

24985

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

[[_linear, ‘class A‘]]

2.608

24986

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

[[_linear, ‘class A‘]]

2.977

24987

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

[_separable]

3.998

24988

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

[_linear]

3.848

24989

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

[_quadrature]

1.513

24990

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

[_separable]

4.658

24991

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

[_linear]

4.565

24992

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

[_linear]

5.403

24993

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

[[_linear, ‘class A‘]]

1.741

24994

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

[[_linear, ‘class A‘]]

3.476

24995

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

[[_linear, ‘class A‘]]

5.520

24996

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

[_linear]

2.892

24997

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

[_separable]

6.638

24998

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

[_linear]

3.407

24999

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

[[_linear, ‘class A‘]]

2.464

25000

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

[_linear]

6.023