2.3.65 Problems 6401 to 6500

Table 2.703: Main lookup table. Sorted by time used to solve.

#

ID

ODE

Solved?

Maple

Mma

Sympy

time(sec)

6401

23043

\begin{align*} z^{\prime \prime }-4 z&=\sin \left (2 x \right ) \\ \end{align*}

0.487

6402

24082

\begin{align*} \left (-x^{2}+1\right ) y^{\prime \prime }-2 x y^{\prime }+56 y&=0 \\ \end{align*}

Series expansion around \(x=0\).

0.487

6403

24541

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

0.487

6404

26569

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

0.487

6405

26703

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

0.487

6406

26705

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

Series expansion around \(x=0\).

0.487

6407

27149

\begin{align*} x_{1}^{\prime }&=x_{1}-2 x_{2} \\ x_{2}^{\prime }&=-6 x_{1} \\ \end{align*}

With initial conditions

\begin{align*} x_{1} \left (0\right ) &= 1 \\ x_{2} \left (0\right ) &= -19 \\ \end{align*}

0.487

6408

27165

\begin{align*} x_{1}^{\prime }&=2 x_{1}-4 x_{2}+1 \\ x_{2}^{\prime }&=x_{1}-2 x_{2}+3 t \\ \end{align*}

0.487

6409

27727

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

0.487

6410

1510

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

Using Laplace transform method.

0.488

6411

2697

\begin{align*} x^{\prime }&=6 x-3 y \\ y^{\prime }&=2 x+y \\ \end{align*}

0.488

6412

6601

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

0.488

6413

7854

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

0.488

6414

9619

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

Using Laplace transform method.

0.488

6415

12840

\begin{align*} y^{\prime \prime }-2 y^{3}-y x +a&=0 \\ \end{align*}

0.488

6416

14177

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

0.488

6417

16639

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

0.488

6418

16828

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

Series expansion around \(x=0\).

0.488

6419

16936

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

With initial conditions

\begin{align*} x \left (0\right ) &= 1 \\ y \left (0\right ) &= 15 \\ \end{align*}

0.488

6420

19499

\begin{align*} 2 y-3 y^{\prime }+y^{\prime \prime }&=14 \sin \left (2 x \right )-18 \cos \left (2 x \right ) \\ \end{align*}

0.488

6421

20396

\begin{align*} {y^{\prime }}^{3}+2 {y^{\prime }}^{2} x -y^{2} {y^{\prime }}^{2}-2 x y^{2} y^{\prime }&=0 \\ \end{align*}

0.488

6422

23037

\begin{align*} y^{\prime \prime }+3 y^{\prime }+5 y&=4 \,{\mathrm e}^{3 t} \\ \end{align*}

0.488

6423

26627

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

0.488

6424

466

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

Series expansion around \(x=0\).

0.489

6425

631

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

With initial conditions

\begin{align*} x_{1} \left (0\right ) &= 0 \\ x_{2} \left (0\right ) &= 4 \\ \end{align*}

0.489

6426

1019

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

0.489

6427

1895

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

Series expansion around \(x=0\).

0.489

6428

3837

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

0.489

6429

15769

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

0.489

6430

16827

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

Series expansion around \(x=5\).

0.489

6431

16984

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

0.489

6432

24674

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

0.489

6433

27709

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

0.489

6434

614

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

With initial conditions

\begin{align*} x_{1} \left (0\right ) &= 11 \\ x_{2} \left (0\right ) &= -7 \\ \end{align*}

0.490

6435

2265

\begin{align*} y_{1}^{\prime }&=-11 y_{1}+8 y_{2} \\ y_{2}^{\prime }&=-2 y_{1}-3 y_{2} \\ \end{align*}

With initial conditions

\begin{align*} y_{1} \left (0\right ) &= 6 \\ y_{2} \left (0\right ) &= 2 \\ \end{align*}

0.490

6436

3200

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

0.490

6437

3405

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

0.490

6438

7080

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

0.490

6439

7180

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

Series expansion around \(x=0\).

0.490

6440

8574

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

Series expansion around \(x=0\).

0.490

6441

10838

\begin{align*} 2 x^{2} \left (x^{2}+x +1\right ) y^{\prime \prime }+x \left (11 x^{2}+11 x +9\right ) y^{\prime }+\left (7 x^{2}+10 x +6\right ) y&=0 \\ \end{align*}

0.490

6442

10962

\begin{align*} 2 x^{2} \left (x^{2}+x +1\right ) y^{\prime \prime }+x \left (11 x^{2}+11 x +9\right ) y^{\prime }+\left (7 x^{2}+10 x +6\right ) y&=0 \\ \end{align*}

0.490

6443

16117

\begin{align*} y^{\prime \prime }+4 y^{\prime }+20 y&=-\cos \left (5 t \right ) \\ \end{align*}

0.490

6444

18471

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

Using Laplace transform method.

0.490

6445

21711

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

Using Laplace transform method.

0.490

6446

22795

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

0.490

6447

24025

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

0.490

6448

24538

\begin{align*} y^{\prime \prime }-2 y^{\prime }-3 y&=-6 x^{2}-8 x +4 \\ \end{align*}

0.490

6449

24593

\begin{align*} y^{\prime \prime }-y&=16 \,{\mathrm e}^{3 x} \\ \end{align*}

0.490

6450

24603

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

0.490

6451

25374

\begin{align*} y_{1}^{\prime }&=3 y_{1}-4 y_{2} \\ y_{2}^{\prime }&=y_{1}-y_{2} \\ \end{align*}

With initial conditions

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

0.490

6452

26062

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

0.490

6453

26947

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

0.490

6454

27714

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

0.490

6455

1093

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

Series expansion around \(x=0\).

0.491

6456

2728

\begin{align*} x_{1}^{\prime }&=-2 x_{1}+x_{2} \\ x_{2}^{\prime }&=-4 x_{1}+3 x_{2} \\ \end{align*}

0.491

6457

3423

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

0.491

6458

4551

\begin{align*} x^{\prime }-x-2 y&=16 \,{\mathrm e}^{t} t \\ 2 x-y^{\prime }-2 y&=0 \\ \end{align*}

With initial conditions

\begin{align*} x \left (0\right ) &= 4 \\ y \left (0\right ) &= 0 \\ \end{align*}

0.491

6459

9712

\begin{align*} {y^{\prime }}^{2} x^{2}-5 x y y^{\prime }+6 y^{2}&=0 \\ \end{align*}

0.491

6460

16128

\begin{align*} y^{\prime \prime }+9 y&=5 \sin \left (2 t \right ) \\ \end{align*}

0.491

6461

18128

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

0.491

6462

20122

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

0.491

6463

23476

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

0.491

6464

23633

\begin{align*} y^{\prime }-3 y&=13 \cos \left (2 t \right ) \\ y \left (0\right ) &= -1 \\ \end{align*}

Using Laplace transform method.

0.491

6465

23671

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

Series expansion around \(x=0\).

0.491

6466

24781

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

0.491

6467

26036

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

Series expansion around \(x=0\).

0.491

6468

1014

\begin{align*} x_{1}^{\prime }&=2 x_{1} \\ x_{2}^{\prime }&=-7 x_{1}+9 x_{2}+7 x_{3} \\ x_{3}^{\prime }&=2 x_{3} \\ \end{align*}

0.492

6469

5759

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

0.492

6470

7281

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

0.492

6471

7786

\begin{align*} y^{\prime \prime }-6 y^{\prime }+25 y&=64 \,{\mathrm e}^{-t} \\ \end{align*}

0.492

6472

8484

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

Series expansion around \(x=0\).

0.492

6473

10385

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

0.492

6474

14797

\(\left [\begin {array}{cc} 3 & 1 \\ 12 & 2 \end {array}\right ]\)

N/A

N/A

N/A

0.492

6475

15204

\begin{align*} y^{\prime \prime }+6 y^{\prime }+34 y&=0 \\ y \left (0\right ) &= 3 \\ y^{\prime }\left (0\right ) &= 1 \\ \end{align*}

Using Laplace transform method.

0.492

6476

15726

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

Using Laplace transform method.

0.492

6477

16934

\begin{align*} x^{\prime }&=5 x+4 y \\ y^{\prime }&=8 x+y \\ \end{align*}

With initial conditions

\begin{align*} x \left (0\right ) &= 0 \\ y \left (0\right ) &= 9 \\ \end{align*}

0.492

6478

19108

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

0.492

6479

19479

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

0.492

6480

23701

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

Series expansion around \(x=3\).

0.492

6481

24545

\begin{align*} y^{\prime \prime }-4 y^{\prime }+3 y&=20 \cos \left (x \right ) \\ \end{align*}

0.492

6482

24782

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

0.492

6483

26570

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

0.492

6484

623

\begin{align*} x_{1}^{\prime }&=3 x_{1}+4 x_{2} \\ x_{2}^{\prime }&=3 x_{1}+2 x_{2} \\ \end{align*}

With initial conditions

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

0.493

6485

915

\begin{align*} 2 x^{\prime \prime }+2 x^{\prime }+x&=3 \sin \left (10 t \right ) \\ \end{align*}

0.493

6486

1336

\begin{align*} 4 y^{\prime \prime }-4 y^{\prime }+y&=16 \,{\mathrm e}^{\frac {t}{2}} \\ \end{align*}

0.493

6487

2773

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

With initial conditions

\begin{align*} x_{1} \left (0\right ) &= 0 \\ x_{2} \left (0\right ) &= 5 \\ \end{align*}

0.493

6488

3204

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

0.493

6489

5407

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

0.493

6490

5799

\begin{align*} 12 y-7 y^{\prime }+y^{\prime \prime }&=0 \\ \end{align*}

0.493

6491

7076

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

0.493

6492

7287

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

0.493

6493

7297

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

0.493

6494

7661

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

Series expansion around \(x=0\).

0.493

6495

7690

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

0.493

6496

8489

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

Series expansion around \(x=0\).

0.493

6497

9044

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

With initial conditions

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

0.493

6498

10294

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

0.493

6499

10518

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

0.493

6500

14632

\begin{align*} y^{\prime \prime \prime }-3 y^{\prime \prime }+4 y&=4 \,{\mathrm e}^{x}-18 \,{\mathrm e}^{-x} \\ \end{align*}

0.493