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‘]]

2.842

15902

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

[[_linear, ‘class A‘]]

2.766

15903

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

[[_linear, ‘class A‘]]

2.184

15904

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

[[_linear, ‘class A‘]]

2.315

15905

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

[[_linear, ‘class A‘]]

2.791

15906

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

[[_linear, ‘class A‘]]

2.671

15907

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

[[_linear, ‘class A‘]]

3.145

15908

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

[[_linear, ‘class A‘]]

3.355

15909

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

[[_linear, ‘class A‘]]

2.577

15910

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

[[_linear, ‘class A‘]]

3.683

15911

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

[[_linear, ‘class A‘]]

5.135

15912

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

[[_linear, ‘class A‘]]

3.685

15913

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

[[_linear, ‘class A‘]]

3.963

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‘]]

3.322

15915

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

[_linear]

7.843

15916

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

[_linear]

5.981

15917

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

[_linear]

4.498

15918

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

[_linear]

3.738

15919

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

[_linear]

3.472

15920

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

[_linear]

3.840

15921

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

[_linear]

5.511

15922

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

[_linear]

3.198

15923

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

[_linear]

8.437

15924

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

[_linear]

3.852

15925

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

[_linear]

3.513

15926

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

[_linear]

5.098

15927

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

[_linear]

2.417

15928

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

[_linear]

2.609

15929

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

[_linear]

3.259

15930

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

[[_linear, ‘class A‘]]

3.568

15931

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

[_linear]

3.844

15932

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

[_linear]

104.936

15933

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

[_linear]

2.803

15934

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

[_linear]

3.245

15935

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

[[_linear, ‘class A‘]]

2.859

15936

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

[_linear]

3.748

15937

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

[[_linear, ‘class A‘]]

2.028

15938

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

[_quadrature]

1.755

15939

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

[_quadrature]

0.496

15940

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

[_quadrature]

32.380

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]

5.795

15942

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

[_quadrature]

3.267

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‘]]

2.732

15945

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

[_quadrature]

1.081

15946

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

[_separable]

4.394

15947

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

[[_linear, ‘class A‘]]

2.780

15948

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

[_separable]

4.244

15949

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

[[_linear, ‘class A‘]]

2.890

15950

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

[_linear]

2.951

15951

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

[_quadrature]

5.920

15952

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

[_quadrature]

2.581

15953

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

[[_linear, ‘class A‘]]

4.139

15954

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

[_separable]

4.153

15955

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

[[_linear, ‘class A‘]]

3.246

15956

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

[[_linear, ‘class A‘]]

3.760

15957

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

[_separable]

5.184

15958

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

[[_linear, ‘class A‘]]

2.443

15959

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

[_linear]

5.319

15960

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

[_separable]

14.566

15961

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

[_separable]

5.444

15962

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

[_quadrature]

8.798

15963

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

[_separable]

4.456

15964

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

[_quadrature]

0.674

15965

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

[_Riccati]

6.654

15966

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

3.895

15968

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

[_separable]

5.625

15969

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

[_quadrature]

3.035

15970

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

system_of_ODEs

0.309

15971

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

system_of_ODEs

0.368

15972

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

system_of_ODEs

0.292

15973

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

system_of_ODEs

0.425

15974

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

system_of_ODEs

0.635

15975

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

system_of_ODEs

0.856

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

62.449

15977

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

system_of_ODEs

0.844

15978

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

system_of_ODEs

0.837

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

0.465

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

0.368

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

0.474

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

0.491

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

0.457

15984

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

system_of_ODEs

0.410

15985

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

system_of_ODEs

0.305

15986

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

system_of_ODEs

0.445

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

0.341

15989

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

system_of_ODEs

0.310

15990

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

system_of_ODEs

0.464

15991

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

system_of_ODEs

0.444

15992

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

system_of_ODEs

0.788

15993

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

system_of_ODEs

0.617

15994

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

system_of_ODEs

0.525

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

0.543

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

0.569

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

0.506

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

0.450

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

0.481

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

0.424