2.3.95 Problems 9401 to 9500

Table 2.739: Main lookup table. Sorted by time used to solve.

#

ID

ODE

Solved?

Maple

Mma

Sympy

time(sec)

9401

18456

\begin{align*} x^{\prime }+3 x&={\mathrm e}^{-2 t} \\ x \left (0\right ) &= 0 \\ \end{align*}
Using Laplace transform method.

0.701

9402

19059

\begin{align*} x_{1}^{\prime }&=4 x_{1}+x_{2}+3 x_{3} \\ x_{2}^{\prime }&=6 x_{1}+4 x_{2}+6 x_{3} \\ x_{3}^{\prime }&=-5 x_{1}-2 x_{2}-4 x_{3} \\ \end{align*}
With initial conditions
\begin{align*} x_{1} \left (0\right ) &= 1 \\ x_{2} \left (0\right ) &= -2 \\ x_{3} \left (0\right ) &= 5 \\ \end{align*}

0.701

9403

20467

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

0.701

9404

23045

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

0.701

9405

25315

\begin{align*} y^{\prime \prime }+4 y^{\prime }+5 y&=3 \delta \left (t -\pi \right ) \\ y \left (0\right ) &= 0 \\ y^{\prime }\left (0\right ) &= 1 \\ \end{align*}
Using Laplace transform method.

0.701

9406

3182

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

0.702

9407

4499

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

0.702

9408

6219

\begin{align*} \left (6-9 x \right ) y-\left (4-5 x \right ) x y^{\prime }+\left (1-x \right ) x^{2} y^{\prime \prime }&=0 \\ \end{align*}

0.702

9409

9679

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

0.702

9410

21223

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

0.702

9411

2181

\begin{align*} y^{\prime \prime \prime }-7 y^{\prime \prime }+20 y^{\prime }-24 y&=-{\mathrm e}^{2 x} \left (\left (13-8 x \right ) \cos \left (2 x \right )-\left (8-4 x \right ) \sin \left (2 x \right )\right ) \\ \end{align*}

0.703

9412

3167

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

0.703

9413

7760

\begin{align*} 5 y+4 y^{\prime }+y^{\prime \prime }&=2 \,{\mathrm e}^{-2 x} \\ y \left (0\right ) &= 1 \\ y^{\prime }\left (0\right ) &= -2 \\ \end{align*}

0.703

9414

12944

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

0.703

9415

17767

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

0.703

9416

23936

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

0.703

9417

24616

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

0.703

9418

1976

\begin{align*} 3 x^{2} \left (-x^{2}+2\right ) y^{\prime \prime }+x \left (-11 x^{2}+1\right ) y^{\prime }+\left (-5 x^{2}+1\right ) y&=0 \\ \end{align*}
Series expansion around \(x=0\).

0.704

9419

1983

\begin{align*} 2 x^{2} \left (x^{2}+1\right ) y^{\prime \prime }+x \left (8 x^{2}+3\right ) y^{\prime }-\left (-4 x^{2}+3\right ) y&=0 \\ \end{align*}
Series expansion around \(x=0\).

0.704

9420

4590

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

0.704

9421

6199

\begin{align*} 6 y x +\left (-x^{3}+1\right ) y^{\prime \prime }&=0 \\ \end{align*}

0.704

9422

8295

\begin{align*} y^{\prime }&={\mathrm e}^{-\frac {x y^{2}}{100}} \\ y \left (0\right ) &= -4 \\ \end{align*}

0.704

9423

9850

\begin{align*} 2 y^{\prime \prime }+9 y^{\prime } x -36 y&=0 \\ \end{align*}
Series expansion around \(x=0\).

0.704

9424

14742

\begin{align*} x^{2} y^{\prime \prime }+3 y^{\prime } x -y&=0 \\ \end{align*}
Series expansion around \(x=1\).

0.704

9425

17495

\begin{align*} y^{\prime \prime }-12 y^{\prime }+37 y&={\mathrm e}^{6 t} \sec \left (t \right ) \\ \end{align*}

0.704

9426

18903

\begin{align*} y^{\prime \prime }+w^{2} y&=\cos \left (2 t \right ) \\ y \left (0\right ) &= 1 \\ y^{\prime }\left (0\right ) &= 0 \\ \end{align*}
Using Laplace transform method.

0.704

9427

19993

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

0.704

9428

21478

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

0.704

9429

22850

\begin{align*} y^{\prime \prime } x +2 y^{\prime }+y x&=0 \\ \end{align*}
Series expansion around \(x=0\).

0.704

9430

24765

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

0.704

9431

1435

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

0.705

9432

1974

\begin{align*} x \left (x^{2}+3\right ) y^{\prime \prime }+\left (-x^{2}+2\right ) y^{\prime }-8 y x&=0 \\ \end{align*}
Series expansion around \(x=0\).

0.705

9433

2287

\begin{align*} y_{1}^{\prime }&=y_{1}+2 y_{2} \\ y_{2}^{\prime }&=-4 y_{1}+5 y_{2} \\ \end{align*}

0.705

9434

5317

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

0.705

9435

18222

\begin{align*} y^{\prime \prime }-4 y^{\prime }+5 y&={\mathrm e}^{2 x} \left (\sin \left (x \right )+2 \cos \left (x \right )\right ) \\ \end{align*}

0.705

9436

18816

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

0.705

9437

1031

\begin{align*} x_{1}^{\prime }&=28 x_{1}+50 x_{2}+100 x_{3} \\ x_{2}^{\prime }&=15 x_{1}+33 x_{2}+60 x_{3} \\ x_{3}^{\prime }&=-15 x_{1}-30 x_{2}-57 x_{3} \\ \end{align*}

0.706

9438

2696

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

0.706

9439

2766

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

0.706

9440

3735

\begin{align*} y^{\prime \prime }-y&=10 \,{\mathrm e}^{2 x} \cos \left (x \right ) \\ \end{align*}

0.706

9441

3850

\begin{align*} x_{1}^{\prime }&=-x_{1}-6 x_{2} \\ x_{2}^{\prime }&=3 x_{1}+5 x_{2} \\ \end{align*}
With initial conditions
\begin{align*} x_{1} \left (0\right ) &= 2 \\ x_{2} \left (0\right ) &= 2 \\ \end{align*}

0.706

9442

3864

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

0.706

9443

3999

\begin{align*} y^{\prime \prime }-{\mathrm e}^{x} y&=0 \\ \end{align*}
Series expansion around \(x=0\).

0.706

9444

8939

\begin{align*} y^{\prime \prime }-2 i y^{\prime }-y&={\mathrm e}^{i x}-2 \,{\mathrm e}^{-i x} \\ \end{align*}

0.706

9445

10426

\begin{align*} y^{\prime \prime }-\frac {y^{\prime }}{\sqrt {x}}+\frac {\left (x +\sqrt {x}-8\right ) y}{4 x^{2}}&=x \\ \end{align*}

0.706

9446

21800

\begin{align*} x^{3} y^{\prime }-x^{3}&=1 \\ \end{align*}

0.706

9447

22056

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

0.706

9448

24615

\begin{align*} y^{\prime \prime }+4 y^{\prime }+4 y&=12 \,{\mathrm e}^{-2 x} x \\ \end{align*}

0.706

9449

1984

\begin{align*} 9 x^{2} y^{\prime \prime }+3 x \left (x^{2}+3\right ) y^{\prime }-\left (-5 x^{2}+1\right ) y&=0 \\ \end{align*}
Series expansion around \(x=0\).

0.707

9450

2219

\begin{align*} y^{\prime \prime \prime }+2 y^{\prime \prime }+y^{\prime }+2 y&=30 \cos \left (x \right )-10 \sin \left (x \right ) \\ y \left (0\right ) &= 3 \\ y^{\prime }\left (0\right ) &= -4 \\ y^{\prime \prime }\left (0\right ) &= 16 \\ \end{align*}

0.707

9451

3747

\begin{align*} y^{\prime \prime }+6 y^{\prime }+9 y&=\frac {2 \,{\mathrm e}^{-3 x}}{x^{2}+1} \\ \end{align*}

0.707

9452

4003

\begin{align*} y^{\prime \prime }+2 x^{2} y^{\prime }+y x&=2 \cos \left (x \right ) \\ \end{align*}
Series expansion around \(x=0\).

0.707

9453

7623

\begin{align*} x^{2} y^{\prime \prime }+3 y^{\prime }-y x&=0 \\ \end{align*}
Series expansion around \(x=0\).

0.707

9454

9853

\begin{align*} \left (9 x^{2}+1\right ) y^{\prime \prime }-18 y&=0 \\ \end{align*}
Series expansion around \(x=0\).

0.707

9455

10613

\begin{align*} 9 x^{2} y^{\prime \prime }+3 x \left (-x^{2}+1\right ) y^{\prime }+\left (7 x^{2}+1\right ) y&=0 \\ \end{align*}

0.707

9456

12546

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

0.707

9457

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*}

0.707

9458

17592

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

0.707

9459

17817

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

0.707

9460

17830

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

0.707

9461

18671

\begin{align*} x^{\prime }&=x-5 y \\ y^{\prime }&=x-3 y \\ \end{align*}
With initial conditions
\begin{align*} x \left (0\right ) &= 1 \\ y \left (0\right ) &= 1 \\ \end{align*}

0.707

9462

21724

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

0.707

9463

24733

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

0.707

9464

4479

\begin{align*} y^{\prime \prime }-2 y^{\prime }+5 y&=4 \,{\mathrm e}^{x} \cos \left (2 x \right ) \\ \end{align*}

0.708

9465

10248

\begin{align*} y^{\prime \prime }+y&=\frac {1}{x} \\ \end{align*}
Series expansion around \(x=0\).

0.708

9466

11610

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

0.708

9467

19521

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

0.708

9468

21642

\begin{align*} x^{\prime \prime }-s x&=0 \\ \end{align*}
Series expansion around \(t=0\).

0.708

9469

22818

\begin{align*} y^{\prime }+2 y&=5 \delta \left (t -1\right ) \\ y \left (0\right ) &= 2 \\ \end{align*}
Using Laplace transform method.

0.708

9470

23463

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

0.708

9471

23987

\begin{align*} y^{\prime \prime }-9 y&={\mathrm e}^{x}+3 \,{\mathrm e}^{-3 x} \\ \end{align*}

0.708

9472

24573

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

0.708

9473

1973

\begin{align*} x^{2} \left (x^{2}+1\right ) y^{\prime \prime }-2 x \left (-x^{2}+2\right ) y^{\prime }+4 y&=0 \\ \end{align*}
Series expansion around \(x=0\).

0.709

9474

2639

\begin{align*} \sin \left (t \right ) y^{\prime \prime }+\cos \left (t \right ) y^{\prime }+\frac {y}{t}&=0 \\ \end{align*}
Series expansion around \(t=0\).

0.709

9475

2665

\begin{align*} t y^{\prime \prime }+y^{\prime }-4 y&=0 \\ \end{align*}
Series expansion around \(t=0\).

0.709

9476

3150

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

0.709

9477

5562

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

0.709

9478

6205

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

0.709

9479

9691

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

0.709

9480

8296

\begin{align*} y^{\prime }&={\mathrm e}^{-\frac {x y^{2}}{100}} \\ y \left (8\right ) &= -4 \\ \end{align*}

0.710

9481

8622

\begin{align*} y^{\prime }+\frac {26 y}{5}&=\frac {97 \sin \left (2 t \right )}{5} \\ y \left (0\right ) &= 0 \\ \end{align*}
Using Laplace transform method.

0.710

9482

9511

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

0.710

9483

10422

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

0.710

9484

16434

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

0.710

9485

20614

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

0.710

9486

20941

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

0.710

9487

25986

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

0.710

9488

9787

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

0.711

9489

15047

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

0.711

9490

15474

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

0.711

9491

15731

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

0.711

9492

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*}

0.711

9493

17110

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

0.711

9494

18432

\begin{align*} x^{\prime }&=4 x-5 y \\ y^{\prime }&=x \\ \end{align*}
With initial conditions
\begin{align*} x \left (0\right ) &= 0 \\ y \left (0\right ) &= 1 \\ \end{align*}

0.711

9495

18914

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

0.711

9496

24629

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

0.711

9497

1347

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

0.712

9498

2487

\begin{align*} y+y^{\prime }&=\left \{\begin {array}{cc} 2 & 0\le t \le 1 \\ 0 & 1<t \end {array}\right . \\ y \left (0\right ) &= 0 \\ \end{align*}

0.712

9499

4173

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

0.712

9500

4501

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

0.712