2.2.160 Problems 15901 to 16000

Table 2.337: Main lookup table. Sorted sequentially by problem number.

#

ODE

CAS classification

Solved?

Maple

Mma

Sympy

time(sec)

15901

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

[[_linear, ‘class A‘]]

2.112

15902

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

[[_linear, ‘class A‘]]

2.198

15903

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

[[_linear, ‘class A‘]]

1.547

15904

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

[[_linear, ‘class A‘]]

1.600

15905

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

[[_linear, ‘class A‘]]

2.049

15906

\begin{align*} -2 y+y^{\prime }&=3 \,{\mathrm e}^{-2 t} \\ y \left (0\right ) &= 10 \\ \end{align*}

[[_linear, ‘class A‘]]

1.913

15907

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

[[_linear, ‘class A‘]]

2.286

15908

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

[[_linear, ‘class A‘]]

2.473

15909

\begin{align*} -2 y+y^{\prime }&=7 \,{\mathrm e}^{2 t} \\ y \left (0\right ) &= 3 \\ \end{align*}

[[_linear, ‘class A‘]]

1.775

15910

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

[[_linear, ‘class A‘]]

2.441

15911

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

[[_linear, ‘class A‘]]

3.580

15912

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

[[_linear, ‘class A‘]]

2.400

15913

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

[[_linear, ‘class A‘]]

2.740

15914

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

[[_linear, ‘class A‘]]

2.729

15915

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

[_linear]

4.832

15916

\begin{align*} y^{\prime }&=\frac {3 y}{t}+t^{5} \\ \end{align*}

[_linear]

3.599

15917

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

[_linear]

2.984

15918

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

[_linear]

2.707

15919

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

[_linear]

2.649

15920

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

[_linear]

2.891

15921

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

[_linear]

3.615

15922

\begin{align*} y^{\prime }&=\frac {y}{t +1}+4 t^{2}+4 t \\ y \left (1\right ) &= 10 \\ \end{align*}

[_linear]

2.615

15923

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

[_linear]

6.272

15924

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

[_linear]

2.934

15925

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

[_linear]

3.424

15926

\begin{align*} y^{\prime }-\frac {3 y}{t}&=2 t^{3} {\mathrm e}^{2 t} \\ y \left (1\right ) &= 0 \\ \end{align*}

[_linear]

3.873

15927

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

[_linear]

2.128

15928

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

[_linear]

1.854

15929

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

[_linear]

2.336

15930

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

[[_linear, ‘class A‘]]

2.585

15931

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

[_linear]

2.928

15932

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

[_linear]

74.306

15933

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

[_linear]

1.970

15934

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

[_linear]

2.183

15935

\begin{align*} v^{\prime }+\frac {2 v}{5}&=3 \cos \left (2 t \right ) \\ \end{align*}

[[_linear, ‘class A‘]]

2.282

15936

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

[_linear]

2.681

15937

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

[[_linear, ‘class A‘]]

1.542

15938

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

[_quadrature]

1.289

15939

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

[_quadrature]

0.431

15940

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

[_quadrature]

16.146

15941

\begin{align*} y^{\prime }&=\frac {\left (t^{2}-4\right ) \left (1+y\right ) {\mathrm e}^{y}}{\left (t -1\right ) \left (3-y\right )} \\ \end{align*}

[_separable]

4.094

15942

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

[_quadrature]

2.457

15943

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

[‘x=_G(y,y’)‘]

16.783

15944

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

[[_linear, ‘class A‘]]

1.737

15945

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

[_quadrature]

0.881

15946

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

[_separable]

2.923

15947

\begin{align*} y^{\prime }&=3 y+{\mathrm e}^{7 t} \\ \end{align*}

[[_linear, ‘class A‘]]

1.791

15948

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

[_separable]

2.677

15949

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

[[_linear, ‘class A‘]]

2.171

15950

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

[_linear]

2.210

15951

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

[_quadrature]

3.806

15952

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

[_quadrature]

1.576

15953

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

[[_linear, ‘class A‘]]

3.186

15954

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

[_separable]

2.967

15955

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

[[_linear, ‘class A‘]]

2.622

15956

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

[[_linear, ‘class A‘]]

1.775

15957

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

[_separable]

3.494

15958

\begin{align*} y^{\prime }+5 y&=3 \,{\mathrm e}^{-5 t} \\ y \left (0\right ) &= -2 \\ \end{align*}

[[_linear, ‘class A‘]]

1.793

15959

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

[_linear]

4.101

15960

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

[_separable]

9.852

15961

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

[_separable]

3.355

15962

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

[_quadrature]

4.732

15963

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

[_separable]

2.862

15964

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

[_quadrature]

0.614

15965

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

[_Riccati]

6.006

15966

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

[_Abel]

12.544

15967

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

[_separable]

3.158

15968

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

[_separable]

4.130

15969

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

[_quadrature]

3.143

15970

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

system_of_ODEs

0.292

15971

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

system_of_ODEs

0.345

15972

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

system_of_ODEs

0.281

15973

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

system_of_ODEs

0.372

15974

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

system_of_ODEs

0.584

15975

\begin{align*} x^{\prime }&=3 y \\ y^{\prime }&=3 \pi y-\frac {x}{3} \\ \end{align*}

system_of_ODEs

0.770

15976

\begin{align*} p^{\prime }&=3 p-2 q-7 r \\ q^{\prime }&=-2 p+6 r \\ r^{\prime }&=\frac {73 q}{100}+2 r \\ \end{align*}

system_of_ODEs

49.921

15977

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

system_of_ODEs

0.727

15978

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

system_of_ODEs

0.727

15979

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

With initial conditions

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

system_of_ODEs

0.444

15980

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

With initial conditions

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

system_of_ODEs

0.375

15981

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

With initial conditions

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

system_of_ODEs

0.456

15982

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

With initial conditions

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

system_of_ODEs

0.477

15983

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

With initial conditions

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

system_of_ODEs

0.448

15984

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

system_of_ODEs

0.435

15985

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

system_of_ODEs

0.311

15986

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

system_of_ODEs

0.433

15987

\begin{align*} x^{\prime }&=-5 x-2 y \\ y^{\prime }&=-x-4 y \\ \end{align*}

system_of_ODEs

0.444

15988

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

system_of_ODEs

0.335

15989

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

system_of_ODEs

0.303

15990

\begin{align*} x^{\prime }&=5 x+4 y \\ y^{\prime }&=9 x \\ \end{align*}

system_of_ODEs

0.431

15991

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

system_of_ODEs

0.404

15992

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

system_of_ODEs

0.558

15993

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

system_of_ODEs

0.527

15994

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

system_of_ODEs

0.425

15995

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

With initial conditions

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

system_of_ODEs

0.484

15996

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

With initial conditions

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

system_of_ODEs

0.450

15997

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

With initial conditions

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

system_of_ODEs

0.424

15998

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

With initial conditions

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

system_of_ODEs

0.412

15999

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

With initial conditions

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

system_of_ODEs

0.382

16000

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

With initial conditions

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

system_of_ODEs

0.405