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]]

0.479

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]]

1.258

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]]

6.476

24904

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

[[_2nd_order, _missing_y]]

0.332

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]]

0.660

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]]

3.882

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]]

3.211

24908

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

[_quadrature]

1.169

24909

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

[_separable]

2.689

24910

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

[[_2nd_order, _missing_x]]

2.016

24911

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

[_quadrature]

2.022

24912

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

[_quadrature]

1.787

24913

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

[_rational, _Bernoulli]

2.650

24914

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

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

5.446

24915

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

[_quadrature]

0.697

24916

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

[[_linear, ‘class A‘]]

1.460

24917

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

[_quadrature]

1.497

24918

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

[_separable]

2.936

24919

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

[_quadrature]

2.378

24920

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

[_separable]

2.767

24921

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

[_quadrature]

2.226

24922

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

[_quadrature]

0.265

24923

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

[_quadrature]

0.278

24924

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

[_quadrature]

0.337

24925

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

[_quadrature]

0.377

24926

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

[[_2nd_order, _quadrature]]

0.702

24927

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

[[_2nd_order, _quadrature]]

0.739

24928

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

[_quadrature]

1.313

24929

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

[[_linear, ‘class A‘]]

1.695

24930

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

[_quadrature]

2.066

24931

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

[_separable]

3.352

24932

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

[_quadrature]

0.435

24933

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

[_quadrature]

0.401

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]]

0.998

24935

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

[_quadrature]

1.093

24936

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

[_quadrature]

1.478

24937

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

[_Bernoulli]

2.007

24938

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

[_quadrature]

2.232

24939

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

[[_linear, ‘class A‘]]

1.411

24940

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

[_separable]

2.938

24941

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

[[_linear, ‘class A‘]]

1.911

24942

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

[_separable]

11.815

24943

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

[_separable]

3.700

24944

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

[_quadrature]

1.686

24945

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

[_Bernoulli]

1.864

24946

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

[[_linear, ‘class A‘]]

1.351

24947

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

[_quadrature]

1.040

24948

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

[_quadrature]

2.244

24949

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

[_quadrature]

0.905

24950

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

[_linear]

2.122

24951

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

[_Bernoulli]

2.211

24952

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

[_separable]

2.350

24953

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

[_separable]

4.083

24954

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

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

14.139

24955

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

[[_Riccati, _special]]

8.934

24956

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

[_separable]

7.406

24957

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

[_separable]

15.133

24958

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

[_separable]

11.175

24959

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

[_separable]

4.822

24960

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

[_separable]

3.503

24961

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

[_separable]

7.425

24962

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

[_separable]

4.167

24963

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

[_separable]

40.952

24964

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

[_quadrature]

2.322

24965

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

[_quadrature]

1.851

24966

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

[_quadrature]

2.904

24967

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

[_separable]

2.982

24968

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

[_separable]

5.504

24969

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

[_separable]

3.108

24970

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

[_separable]

2.890

24971

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

[_quadrature]

5.055

24972

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

[_separable]

19.088

24973

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

[_separable]

3.690

24974

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

[_separable]

3.337

24975

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

[_separable]

7.640

24976

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

[_separable]

3.841

24977

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

[_separable]

3.791

24978

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

[_separable]

4.581

24979

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

[[_linear, ‘class A‘]]

2.103

24980

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

[_linear]

3.239

24981

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

[[_linear, ‘class A‘]]

1.876

24982

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

[_linear]

2.316

24983

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

[_linear]

4.243

24984

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

[_linear]

2.231

24985

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

[[_linear, ‘class A‘]]

2.176

24986

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

[[_linear, ‘class A‘]]

2.571

24987

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

[_separable]

3.041

24988

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

[_linear]

2.947

24989

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

[_quadrature]

1.016

24990

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

[_separable]

3.860

24991

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

[_linear]

3.768

24992

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

[_linear]

4.259

24993

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

[[_linear, ‘class A‘]]

1.448

24994

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

[[_linear, ‘class A‘]]

2.456

24995

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

[[_linear, ‘class A‘]]

4.439

24996

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

[_linear]

2.259

24997

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

[_separable]

4.823

24998

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

[_linear]

2.761

24999

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

[[_linear, ‘class A‘]]

2.095

25000

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

[_linear]

4.858