2.3.125 Problems 12401 to 12500

Table 2.823: Main lookup table. Sorted by time used to solve.

#

ID

ODE

Solved?

Maple

Mma

Sympy

time(sec)

12401

9795

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

2.037

12402

10143

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

2.037

12403

15288

\begin{align*} x^{\prime }&=3 x-2 y+24 \sin \left (t \right ) \\ y^{\prime }&=9 x-3 y+12 \cos \left (t \right ) \\ \end{align*}

With initial conditions

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

2.037

12404

25550

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

2.037

12405

11305

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

2.038

12406

14732

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

Series expansion around \(x=0\).

2.038

12407

17172

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

2.038

12408

14308

\begin{align*} x^{\prime \prime }-x^{\prime }&=6+{\mathrm e}^{2 t} \\ \end{align*}

2.039

12409

14667

\begin{align*} y^{\left (6\right )}+2 y^{\left (5\right )}+5 y^{\prime \prime \prime \prime }&=x^{3}+x^{2} {\mathrm e}^{-x}+{\mathrm e}^{-x} \sin \left (2 x \right ) \\ \end{align*}

2.039

12410

18808

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

2.039

12411

25364

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

With initial conditions

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

2.039

12412

26443

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

2.039

12413

9382

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

Series expansion around \(x=0\).

2.040

12414

21635

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

Series expansion around \(x=2\).

2.040

12415

24013

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

2.040

12416

23282

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

2.041

12417

22692

\begin{align*} y^{\prime \prime }+16 y&=5 \sin \left (x \right ) \\ y \left (0\right ) &= 0 \\ y^{\prime }\left (0\right ) &= 0 \\ \end{align*}

2.042

12418

2657

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

Series expansion around \(t=0\).

2.043

12419

9848

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

Series expansion around \(x=0\).

2.043

12420

23082

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

2.043

12421

9323

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

2.044

12422

11678

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

2.045

12423

20910

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

Series expansion around \(x=0\).

2.045

12424

8589

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

Series expansion around \(x=0\).

2.046

12425

20370

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

2.046

12426

21141

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

2.046

12427

23689

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

Series expansion around \(x=0\).

2.046

12428

8580

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

Series expansion around \(x=0\).

2.047

12429

17000

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

2.047

12430

4767

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

2.048

12431

7197

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

Series expansion around \(x=0\).

2.048

12432

13736

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

2.048

12433

22731

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

2.048

12434

22853

\begin{align*} \left (-x^{2}+1\right ) y^{\prime \prime }-2 y^{\prime } x +12 y&=0 \\ \end{align*}

Series expansion around \(x=0\).

2.048

12435

23628

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

With initial conditions

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

2.048

12436

1295

\begin{align*} t^{2} y^{\prime \prime }+3 y^{\prime } t +\frac {5 y}{4}&=0 \\ \end{align*}

2.049

12437

3447

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

2.049

12438

6060

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

2.049

12439

8083

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

Series expansion around \(x=0\).

2.049

12440

19871

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

2.049

12441

23641

\begin{align*} y^{\prime \prime }-9 y&=20 \cos \left (t \right ) \\ y \left (0\right ) &= 0 \\ y^{\prime }\left (0\right ) &= 18 \\ \end{align*}

Using Laplace transform method.

2.049

12442

11728

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

2.050

12443

8536

\begin{align*} 4 x^{2} y^{\prime \prime }+4 y^{\prime } x +\left (4 x^{2}-25\right ) y&=0 \\ \end{align*}

Series expansion around \(x=0\).

2.051

12444

9854

\begin{align*} \left (3 x^{2}+1\right ) y^{\prime \prime }+13 y^{\prime } x +7 y&=0 \\ \end{align*}

Series expansion around \(x=0\).

2.051

12445

7305

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

2.052

12446

25647

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

2.052

12447

1117

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

2.053

12448

2309

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

2.053

12449

11721

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

2.053

12450

17475

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

2.053

12451

17796

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

2.055

12452

5950

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

2.056

12453

8553

\begin{align*} y^{\prime \prime } x +y^{\prime }-7 x^{3} y&=0 \\ \end{align*}

Series expansion around \(x=0\).

2.056

12454

10443

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

2.056

12455

13707

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

2.056

12456

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*}

2.056

12457

20076

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

2.056

12458

22945

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

2.056

12459

23643

\begin{align*} y^{\prime \prime }-3 y^{\prime }+2 y&=24 \cosh \left (t \right ) \\ y \left (0\right ) &= 6 \\ y^{\prime }\left (0\right ) &= -3 \\ \end{align*}

Using Laplace transform method.

2.056

12460

23649

\begin{align*} y^{\prime \prime }-y^{\prime }-6 y&=\cos \left (t \right )+57 \sin \left (t \right ) \\ y \left (0\right ) &= 1 \\ y^{\prime }\left (0\right ) &= 7 \\ \end{align*}

Using Laplace transform method.

2.056

12461

32

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

2.057

12462

4792

\begin{align*} y^{\prime } x&=a \,x^{m}-b y-c \,x^{n} y^{2} \\ \end{align*}

2.057

12463

6184

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

2.057

12464

12991

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

2.057

12465

7377

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

2.058

12466

10366

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

2.058

12467

22835

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

Series expansion around \(x=0\).

2.058

12468

18778

\begin{align*} 4 y^{\prime \prime }+9 y&=0 \\ \end{align*}

2.059

12469

20003

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

2.059

12470

21682

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

Series expansion around \(x=0\).

2.059

12471

23652

\begin{align*} y^{\prime \prime }+2 y^{\prime }-15 y&=16 t \,{\mathrm e}^{-t}-15 \\ y \left (0\right ) &= 1 \\ y^{\prime }\left (0\right ) &= -9 \\ \end{align*}

Using Laplace transform method.

2.059

12472

23654

\begin{align*} y^{\prime \prime }+7 y^{\prime }+10 y&=3 \,{\mathrm e}^{-2 t}-6 \,{\mathrm e}^{-5 t} \\ y \left (0\right ) &= 0 \\ y^{\prime }\left (0\right ) &= 0 \\ \end{align*}

Using Laplace transform method.

2.059

12473

26697

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

2.059

12474

9826

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

2.060

12475

9855

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

Series expansion around \(x=0\).

2.060

12476

17240

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

2.060

12477

20714

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

2.060

12478

8477

\begin{align*} \left (x^{2}-25\right ) y^{\prime \prime }+2 y^{\prime } x +y&=0 \\ \end{align*}

Series expansion around \(x=1\).

2.062

12479

8965

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

Series expansion around \(x=0\).

2.062

12480

11882

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

2.062

12481

22202

\begin{align*} 8 x^{2} y^{\prime \prime }+10 y^{\prime } x +\left (-1+x \right ) y&=0 \\ \end{align*}

Series expansion around \(x=0\).

2.062

12482

26677

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

2.062

12483

26937

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

2.062

12484

2554

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

2.063

12485

8971

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

Series expansion around \(x=0\).

2.063

12486

9668

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

2.063

12487

18267

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

2.063

12488

23664

\begin{align*} y^{\prime \prime }+7 y^{\prime }+6 y&=250 \,{\mathrm e}^{t} \cos \left (t \right ) \\ y \left (0\right ) &= 2 \\ y^{\prime }\left (0\right ) &= -7 \\ \end{align*}

Using Laplace transform method.

2.063

12489

26112

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

2.063

12490

26754

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

2.063

12491

3013

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

2.064

12492

10363

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

2.064

12493

11390

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

2.064

12494

17784

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

2.064

12495

18954

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

Using Laplace transform method.

2.064

12496

26763

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

2.064

12497

8013

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

2.065

12498

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.

2.065

12499

18328

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

2.065

12500

19506

\begin{align*} 4 y+y^{\prime \prime }&=4 \cos \left (2 x \right )+6 \cos \left (x \right )+8 x^{2}-4 x \\ \end{align*}

2.065