2.3.155 Problems 15401 to 15500

Table 2.859: Main lookup table. Sorted by time used to solve.

#

ID

ODE

Solved?

Maple

Mma

Sympy

time(sec)

15401

10210

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

2.053

15402

18310

\begin{align*} \left (2 x^{2}+3 x \right ) y^{\prime \prime }-6 \left (x +1\right ) y^{\prime }+6 y&=6 \\ \end{align*}

2.053

15403

15034

\begin{align*} y^{\prime }&=\frac {2 y-x -4}{2 x -y+5} \\ \end{align*}

2.056

15404

17321

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

2.056

15405

18013

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

2.056

15406

25612

\begin{align*} y^{\prime }-a y&=f \left (t \right ) \\ \end{align*}

2.056

15407

13688

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

2.058

15408

12875

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

2.059

15409

14411

\begin{align*} x^{\prime }&=3 x+2 y+3 \\ y^{\prime }&=7 x+5 y+2 t \\ \end{align*}

2.059

15410

22697

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

2.059

15411

1565

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

2.060

15412

23001

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

2.062

15413

26300

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

2.062

15414

8463

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

2.064

15415

14562

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

2.064

15416

15113

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

2.064

15417

23015

\begin{align*} 4 y^{\prime \prime }-7 y&=0 \\ \end{align*}

2.064

15418

13289

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

2.065

15419

22060

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

2.065

15420

16408

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

2.066

15421

23468

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

2.066

15422

11791

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

2.067

15423

16750

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

2.067

15424

21776

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

2.067

15425

14108

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

2.068

15426

6861

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

2.069

15427

6420

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

2.070

15428

161

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

2.071

15429

4098

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

2.072

15430

14938

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

2.072

15431

7620

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

2.073

15432

22994

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

2.073

15433

2544

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

2.075

15434

12424

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

2.075

15435

19489

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

2.075

15436

22349

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

2.075

15437

2354

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

2.076

15438

5574

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

2.076

15439

17414

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

2.076

15440

24876

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

2.076

15441

13773

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

2.077

15442

21563

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

2.077

15443

14703

\begin{align*} x^{2} y^{\prime \prime }-3 y^{\prime } x +13 y&=0 \\ \end{align*}

2.079

15444

17193

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

2.079

15445

19285

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

2.079

15446

22044

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

2.079

15447

5692

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

2.080

15448

22585

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

2.080

15449

25209

\begin{align*} t^{2} y^{\prime \prime }-4 y^{\prime } t +6 y&=t^{5} \\ y \left (1\right ) &= a \\ y^{\prime }\left (1\right ) &= b \\ \end{align*}

2.080

15450

14782

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

2.081

15451

6494

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

2.082

15452

17171

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

2.082

15453

19929

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

2.082

15454

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*}

2.086

15455

3977

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

2.087

15456

8169

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

2.087

15457

11821

\begin{align*} 8 {y^{\prime }}^{3} x -12 y {y^{\prime }}^{2}+9 y&=0 \\ \end{align*}

2.087

15458

18818

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

2.087

15459

4523

\begin{align*} y^{\prime \prime }+4 y&=8 \operatorname {Heaviside}\left (t -\pi \right ) \sin \left (2 t \right ) \\ y \left (0\right ) &= 0 \\ y^{\prime }\left (0\right ) &= 2 \\ \end{align*}
Using Laplace transform method.

2.088

15460

14053

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

2.088

15461

16602

\begin{align*} x^{2} y^{\prime \prime }-7 y^{\prime } x +15 y&=x \\ \end{align*}

2.088

15462

8914

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

2.089

15463

17665

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

2.089

15464

17860

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

2.089

15465

22086

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

2.089

15466

22452

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

2.089

15467

5816

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

2.090

15468

1130

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

2.091

15469

11834

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

2.091

15470

25831

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

2.092

15471

610

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

2.093

15472

6062

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

2.093

15473

685

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

2.094

15474

7738

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

2.094

15475

23267

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

2.094

15476

8053

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

2.095

15477

18249

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

2.095

15478

23371

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

2.095

15479

8748

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

2.096

15480

8889

\begin{align*} y^{\prime \prime }+16 y&=0 \\ \end{align*}

2.097

15481

14211

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

2.097

15482

7571

\begin{align*} m y^{\prime \prime }+b y^{\prime }+k y&=0 \\ \end{align*}

2.098

15483

2961

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

2.099

15484

23021

\begin{align*} 9 y^{\prime \prime }+49 y&=0 \\ y \left (0\right ) &= 3 \\ y^{\prime }\left (0\right ) &= 1 \\ \end{align*}

2.099

15485

6215

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

2.100

15486

4123

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

2.101

15487

14698

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

2.101

15488

15896

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

2.101

15489

707

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

2.102

15490

16223

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

2.102

15491

19153

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

2.103

15492

702

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

2.104

15493

1821

\begin{align*} y^{\prime \prime } x -y^{\prime }-4 x^{3} y&=8 x^{5} \\ \end{align*}

2.104

15494

3607

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

2.105

15495

6545

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

2.105

15496

14119

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

2.105

15497

14260

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

2.105

15498

22517

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

2.105

15499

23905

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

2.105

15500

25208

\begin{align*} t^{2} y^{\prime \prime }-4 y^{\prime } t +6 y&=t^{5} \\ y \left (1\right ) &= -1 \\ y^{\prime }\left (1\right ) &= 3 \\ \end{align*}

2.105