2.2.161 Problems 16001 to 16100

Table 2.339: Main lookup table. Sorted sequentially by problem number.

#

ODE

CAS classification

Solved?

Maple

Mma

Sympy

time(sec)

16001

\begin{align*} x^{\prime }&=-4 x+y \\ y^{\prime }&=2 x-3 y \\ \end{align*}
With initial conditions
\begin{align*} x \left (0\right ) &= 1 \\ y \left (0\right ) &= 0 \\ \end{align*}

system_of_ODEs

1.885

16002

\begin{align*} x^{\prime }&=-4 x+y \\ y^{\prime }&=2 x-3 y \\ \end{align*}
With initial conditions
\begin{align*} x \left (0\right ) &= 2 \\ y \left (0\right ) &= 1 \\ \end{align*}

system_of_ODEs

0.350

16003

\begin{align*} x^{\prime }&=-4 x+y \\ y^{\prime }&=2 x-3 y \\ \end{align*}
With initial conditions
\begin{align*} x \left (0\right ) &= -1 \\ y \left (0\right ) &= -2 \\ \end{align*}

system_of_ODEs

0.362

16004

\begin{align*} x^{\prime }&=4 x-2 y \\ y^{\prime }&=x+y \\ \end{align*}
With initial conditions
\begin{align*} x \left (0\right ) &= 1 \\ y \left (0\right ) &= 0 \\ \end{align*}

system_of_ODEs

0.365

16005

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

0.338

16006

\begin{align*} x^{\prime }&=4 x-2 y \\ y^{\prime }&=x+y \\ \end{align*}
With initial conditions
\begin{align*} x \left (0\right ) &= -1 \\ y \left (0\right ) &= -2 \\ \end{align*}

system_of_ODEs

0.346

16007

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

system_of_ODEs

0.375

16008

\begin{align*} x^{\prime }&=2 x+2 y \\ y^{\prime }&=-4 x+6 y \\ \end{align*}
With initial conditions
\begin{align*} x \left (0\right ) &= 1 \\ y \left (0\right ) &= 1 \\ \end{align*}

system_of_ODEs

0.506

16009

\begin{align*} x^{\prime }&=-3 x-5 y \\ y^{\prime }&=3 x+y \\ \end{align*}
With initial conditions
\begin{align*} x \left (0\right ) &= 4 \\ y \left (0\right ) &= 0 \\ \end{align*}

system_of_ODEs

0.672

16010

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

system_of_ODEs

0.698

16011

\begin{align*} x^{\prime }&=2 x-6 y \\ y^{\prime }&=2 x+y \\ \end{align*}
With initial conditions
\begin{align*} x \left (0\right ) &= 2 \\ y \left (0\right ) &= 1 \\ \end{align*}

system_of_ODEs

0.761

16012

\begin{align*} x^{\prime }&=x+4 y \\ y^{\prime }&=-3 x+2 y \\ \end{align*}
With initial conditions
\begin{align*} x \left (0\right ) &= 1 \\ y \left (0\right ) &= -1 \\ \end{align*}

system_of_ODEs

0.554

16013

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

system_of_ODEs

0.339

16014

\begin{align*} x^{\prime }&=2 x+2 y \\ y^{\prime }&=-4 x+6 y \\ \end{align*}
With initial conditions
\begin{align*} x \left (0\right ) &= 1 \\ y \left (0\right ) &= 1 \\ \end{align*}

system_of_ODEs

0.410

16015

\begin{align*} x^{\prime }&=-3 x-5 y \\ y^{\prime }&=3 x+y \\ \end{align*}
With initial conditions
\begin{align*} x \left (0\right ) &= 4 \\ y \left (0\right ) &= 0 \\ \end{align*}

system_of_ODEs

0.441

16016

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

system_of_ODEs

0.545

16017

\begin{align*} x^{\prime }&=2 x-6 y \\ y^{\prime }&=2 x+y \\ \end{align*}
With initial conditions
\begin{align*} x \left (0\right ) &= 2 \\ y \left (0\right ) &= 1 \\ \end{align*}

system_of_ODEs

0.459

16018

\begin{align*} x^{\prime }&=x+4 y \\ y^{\prime }&=-3 x+2 y \\ \end{align*}
With initial conditions
\begin{align*} x \left (0\right ) &= 1 \\ y \left (0\right ) &= -1 \\ \end{align*}

system_of_ODEs

0.442

16019

\begin{align*} x^{\prime }&=-\frac {9 x}{10}-2 y \\ y^{\prime }&=x+\frac {11 y}{10} \\ \end{align*}
With initial conditions
\begin{align*} x \left (0\right ) &= 1 \\ y \left (0\right ) &= 1 \\ \end{align*}

system_of_ODEs

0.470

16020

\begin{align*} x^{\prime }&=-3 x+10 y \\ y^{\prime }&=-x+3 y \\ \end{align*}

system_of_ODEs

0.378

16021

\begin{align*} x^{\prime }&=-3 x \\ y^{\prime }&=x-3 y \\ \end{align*}
With initial conditions
\begin{align*} x \left (0\right ) &= 1 \\ y \left (0\right ) &= 0 \\ \end{align*}

system_of_ODEs

0.332

16022

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

0.451

16023

\begin{align*} x^{\prime }&=-2 x-y \\ y^{\prime }&=x-4 y \\ \end{align*}
With initial conditions
\begin{align*} x \left (0\right ) &= 1 \\ y \left (0\right ) &= 0 \\ \end{align*}

system_of_ODEs

0.304

16024

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

0.310

16025

\begin{align*} x^{\prime }&=-3 x \\ y^{\prime }&=x-3 y \\ \end{align*}
With initial conditions
\begin{align*} x \left (0\right ) &= 1 \\ y \left (0\right ) &= 0 \\ \end{align*}

system_of_ODEs

0.336

16026

\begin{align*} x^{\prime }&=2 x+y \\ y^{\prime }&=-x+4 y \\ \end{align*}
With initial conditions
\begin{align*} x \left (0\right ) &= 1 \\ y \left (0\right ) &= 0 \\ \end{align*}

system_of_ODEs

0.310

16027

\begin{align*} x^{\prime }&=-2 x-y \\ y^{\prime }&=x-4 y \\ \end{align*}
With initial conditions
\begin{align*} x \left (0\right ) &= 1 \\ y \left (0\right ) &= 0 \\ \end{align*}

system_of_ODEs

0.305

16028

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

0.299

16029

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

system_of_ODEs

0.314

16030

\begin{align*} x^{\prime }&=2 x+4 y \\ y^{\prime }&=3 x+6 y \\ \end{align*}
With initial conditions
\begin{align*} x \left (0\right ) &= 1 \\ y \left (0\right ) &= 0 \\ \end{align*}

system_of_ODEs

0.370

16031

\begin{align*} x^{\prime }&=4 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

0.342

16032

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

system_of_ODEs

0.229

16033

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

system_of_ODEs

0.228

16034

\begin{align*} x^{\prime }&=-3 x-y \\ y^{\prime }&=4 x+y \\ \end{align*}
With initial conditions
\begin{align*} x \left (0\right ) &= -1 \\ y \left (0\right ) &= 2 \\ \end{align*}

system_of_ODEs

0.357

16035

\begin{align*} y^{\prime \prime }-6 y^{\prime }-7 y&=0 \\ \end{align*}

[[_2nd_order, _missing_x]]

0.259

16036

\begin{align*} y^{\prime \prime }-y^{\prime }-12 y&=0 \\ \end{align*}

[[_2nd_order, _missing_x]]

0.233

16037

\begin{align*} x^{\prime }&=\frac {y}{10} \\ y^{\prime }&=\frac {z}{5} \\ z^{\prime }&=\frac {2 x}{5} \\ \end{align*}

system_of_ODEs

1.400

16038

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

system_of_ODEs

0.593

16039

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

system_of_ODEs

0.527

16040

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

system_of_ODEs

0.600

16041

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

system_of_ODEs

0.442

16042

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

system_of_ODEs

0.421

16043

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

system_of_ODEs

0.387

16044

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

system_of_ODEs

0.513

16045

\begin{align*} x^{\prime }&=-x+2 y \\ y^{\prime }&=2 x-4 y \\ z^{\prime }&=0 \\ \end{align*}

system_of_ODEs

0.415

16046

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

system_of_ODEs

0.385

16047

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

system_of_ODEs

0.336

16048

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

system_of_ODEs

1.118

16049

\begin{align*} x^{\prime }&=-4 x+3 y \\ y^{\prime }&=z-y \\ z^{\prime }&=5 x-5 y \\ \end{align*}

system_of_ODEs

1.001

16050

\begin{align*} x^{\prime }&=-10 x+10 y \\ y^{\prime }&=28 x-y \\ z^{\prime }&=-\frac {8 z}{3} \\ \end{align*}

system_of_ODEs

0.835

16051

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

system_of_ODEs

0.423

16052

\(\left [\begin {array}{cc} 1 & 0 \\ 0 & 2 \end {array}\right ]\)

Eigenvectors

N/A

N/A

N/A

0.198

16053

\(\left [\begin {array}{cc} 0 & 1 \\ 2 & 0 \end {array}\right ]\)

Eigenvectors

N/A

N/A

N/A

0.230

16054

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

system_of_ODEs

0.252

16055

\(\left [\begin {array}{cc} 1 & 0 \\ 2 & 3 \end {array}\right ]\)

Eigenvectors

N/A

N/A

N/A

0.204

16056

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

system_of_ODEs

0.263

16057

\begin{align*} x^{\prime }&=\pi ^{2} x+\frac {187 y}{5} \\ y^{\prime }&=\sqrt {555}\, x+\frac {400617 y}{5000} \\ \end{align*}
With initial conditions
\begin{align*} x \left (0\right ) &= 0 \\ y \left (0\right ) &= 0 \\ \end{align*}

system_of_ODEs

0.711

16058

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

system_of_ODEs

0.343

16059

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

system_of_ODEs

0.450

16060

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

system_of_ODEs

0.472

16061

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

system_of_ODEs

0.337

16062

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

system_of_ODEs

0.289

16063

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

system_of_ODEs

0.440

16064

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

system_of_ODEs

0.287

16065

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

system_of_ODEs

0.623

16066

\begin{align*} y^{\prime \prime }+5 y^{\prime }+6 y&=0 \\ y \left (0\right ) &= 0 \\ y^{\prime }\left (0\right ) &= 2 \\ \end{align*}

[[_2nd_order, _missing_x]]

0.359

16067

\begin{align*} y^{\prime \prime }+2 y^{\prime }+5 y&=0 \\ y \left (0\right ) &= 3 \\ y^{\prime }\left (0\right ) &= -1 \\ \end{align*}

[[_2nd_order, _missing_x]]

0.450

16068

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

[[_2nd_order, _missing_x]]

0.415

16069

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

[[_2nd_order, _missing_x]]

1.774

16070

\begin{align*} y^{\prime \prime }-y^{\prime }-6 y&={\mathrm e}^{4 t} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

0.355

16071

\begin{align*} y^{\prime \prime }+6 y^{\prime }+8 y&=2 \,{\mathrm e}^{-3 t} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

0.389

16072

\begin{align*} y^{\prime \prime }-y^{\prime }-2 y&=5 \,{\mathrm e}^{3 t} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

0.375

16073

\begin{align*} y^{\prime \prime }+4 y^{\prime }+13 y&={\mathrm e}^{-t} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

0.418

16074

\begin{align*} y^{\prime \prime }+4 y^{\prime }+13 y&=-3 \,{\mathrm e}^{-2 t} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

0.385

16075

\begin{align*} y^{\prime \prime }+7 y^{\prime }+10 y&={\mathrm e}^{-2 t} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

0.483

16076

\begin{align*} y^{\prime \prime }-5 y^{\prime }+4 y&={\mathrm e}^{4 t} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

0.437

16077

\begin{align*} y^{\prime \prime }+y^{\prime }-6 y&=4 \,{\mathrm e}^{-3 t} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

0.395

16078

\begin{align*} y^{\prime \prime }+6 y^{\prime }+8 y&={\mathrm e}^{-t} \\ y \left (0\right ) &= 0 \\ y^{\prime }\left (0\right ) &= 0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

0.485

16079

\begin{align*} y^{\prime \prime }+7 y^{\prime }+12 y&=3 \,{\mathrm e}^{-t} \\ y \left (0\right ) &= 2 \\ y^{\prime }\left (0\right ) &= 1 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

0.503

16080

\begin{align*} y^{\prime \prime }+4 y^{\prime }+13 y&=-3 \,{\mathrm e}^{-2 t} \\ y \left (0\right ) &= 0 \\ y^{\prime }\left (0\right ) &= 0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

0.522

16081

\begin{align*} y^{\prime \prime }+7 y^{\prime }+10 y&={\mathrm e}^{-2 t} \\ y \left (0\right ) &= 0 \\ y^{\prime }\left (0\right ) &= 0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

0.590

16082

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

[[_2nd_order, _with_linear_symmetries]]

0.500

16083

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

[[_2nd_order, _with_linear_symmetries]]

0.480

16084

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

[[_2nd_order, _with_linear_symmetries]]

0.480

16085

\begin{align*} y^{\prime \prime }+4 y^{\prime }+20 y&={\mathrm e}^{-\frac {t}{2}} \\ y \left (0\right ) &= 0 \\ y^{\prime }\left (0\right ) &= 0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

0.587

16086

\begin{align*} y^{\prime \prime }+4 y^{\prime }+20 y&={\mathrm e}^{-2 t} \\ y \left (0\right ) &= 0 \\ y^{\prime }\left (0\right ) &= 0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

0.504

16087

\begin{align*} y^{\prime \prime }+4 y^{\prime }+20 y&={\mathrm e}^{-4 t} \\ y \left (0\right ) &= 0 \\ y^{\prime }\left (0\right ) &= 0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

0.519

16088

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

[[_2nd_order, _with_linear_symmetries]]

0.414

16089

\begin{align*} y^{\prime \prime }-5 y^{\prime }+4 y&=5 \\ y \left (0\right ) &= 0 \\ y^{\prime }\left (0\right ) &= 0 \\ \end{align*}

[[_2nd_order, _missing_x]]

0.460

16090

\begin{align*} y^{\prime \prime }+5 y^{\prime }+6 y&=2 \\ y \left (0\right ) &= 0 \\ y^{\prime }\left (0\right ) &= 0 \\ \end{align*}

[[_2nd_order, _missing_x]]

0.451

16091

\begin{align*} y^{\prime \prime }+2 y^{\prime }+10 y&=10 \\ y \left (0\right ) &= 0 \\ y^{\prime }\left (0\right ) &= 0 \\ \end{align*}

[[_2nd_order, _missing_x]]

0.548

16092

\begin{align*} y^{\prime \prime }+4 y^{\prime }+6 y&=-8 \\ y \left (0\right ) &= 0 \\ y^{\prime }\left (0\right ) &= 0 \\ \end{align*}

[[_2nd_order, _missing_x]]

0.562

16093

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

[[_2nd_order, _with_linear_symmetries]]

0.514

16094

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

[[_2nd_order, _with_linear_symmetries]]

0.577

16095

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

[[_2nd_order, _missing_x]]

1.361

16096

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

[[_2nd_order, _with_linear_symmetries]]

0.513

16097

\begin{align*} y^{\prime \prime }+9 y&=6 \\ y \left (0\right ) &= 0 \\ y^{\prime }\left (0\right ) &= 0 \\ \end{align*}

[[_2nd_order, _missing_x]]

1.325

16098

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

[[_2nd_order, _with_linear_symmetries]]

1.519

16099

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

[[_2nd_order, _with_linear_symmetries]]

0.519

16100

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

[[_2nd_order, _missing_y]]

1.258