2.3.164 Problems 16301 to 16400

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

#

ID

ODE

Solved?

Maple

Mma

Sympy

time(sec)

16301

17616

\begin{align*} 2 x^{2} y^{\prime \prime }-7 y^{\prime } x +7 y&=0 \\ \end{align*}

1.548

16302

20485

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

1.548

16303

22452

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

1.548

16304

6760

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

1.549

16305

24477

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

1.549

16306

1541

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

1.550

16307

14128

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

1.550

16308

22000

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

1.550

16309

23166

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

1.550

16310

23542

\begin{align*} x^{2} y^{\prime \prime }+5 y^{\prime } x +4 y&=\ln \left (x \right ) \left (\frac {1}{x^{3}}+\frac {1}{x^{5}}\right ) \\ \end{align*}

1.550

16311

1529

\begin{align*} y^{\prime }&=\tan \left (x \right ) \\ y \left (\frac {\pi }{4}\right ) &= 3 \\ \end{align*}

1.551

16312

19041

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

1.551

16313

20656

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

1.551

16314

25261

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

1.551

16315

3131

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

1.552

16316

7732

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

1.552

16317

20271

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

1.552

16318

86

\begin{align*} y^{\prime } x -3 y&=x^{3} \\ y \left (1\right ) &= 10 \\ \end{align*}

1.553

16319

5209

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

1.553

16320

6889

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

1.553

16321

18836

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

1.553

16322

99

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

1.554

16323

8239

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

1.554

16324

9084

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

1.554

16325

19504

\begin{align*} y^{\prime \prime }+y^{\prime }&=10 x^{4}+2 \\ \end{align*}

1.554

16326

22047

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

1.554

16327

4200

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

1.555

16328

8270

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

1.555

16329

14690

\begin{align*} x^{2} y^{\prime \prime }-6 y^{\prime } x +10 y&=3 x^{4}+6 x^{3} \\ \end{align*}

1.555

16330

15462

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

1.555

16331

20417

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

1.555

16332

209

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

1.556

16333

11346

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

1.556

16334

13055

\begin{align*} 3 y^{\prime \prime } y^{\prime \prime \prime \prime }-5 {y^{\prime \prime \prime }}^{2}&=0 \\ \end{align*}

1.556

16335

13809

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

1.556

16336

4363

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

1.557

16337

21020

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

1.557

16338

1827

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

1.558

16339

12488

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

1.558

16340

1130

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

1.559

16341

14718

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

1.559

16342

15254

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

1.559

16343

22585

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

1.559

16344

24960

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

1.559

16345

1689

\begin{align*} 2 x^{2}+8 y x +y^{2}+\left (2 x^{2}+\frac {x y^{3}}{3}\right ) y^{\prime }&=0 \\ \end{align*}

1.560

16346

12887

\begin{align*} 9 {y^{\prime }}^{4}+8 y^{\prime \prime }&=0 \\ \end{align*}

1.560

16347

17800

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

1.560

16348

21554

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

1.560

16349

24986

\begin{align*} y^{\prime }-3 y&=25 \cos \left (4 t \right ) \\ \end{align*}

1.560

16350

2482

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

1.561

16351

19995

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

1.561

16352

21022

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

1.561

16353

22087

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

1.561

16354

1224

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

1.562

16355

4039

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

1.562

16356

12317

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

1.562

16357

13929

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

1.562

16358

17362

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

1.562

16359

21600

\begin{align*} \left (x -1\right )^{2} y^{\prime \prime }-4 \left (x -1\right ) y^{\prime }-14 y&=x^{3}-3 x^{2}+3 x -8 \\ \end{align*}

1.562

16360

22032

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

1.562

16361

6347

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

1.563

16362

22756

\begin{align*} x^{2} y^{\prime \prime }+5 y^{\prime } x +4 y&=x^{2}+16 \ln \left (x \right )^{2} \\ \end{align*}

1.564

16363

12969

\begin{align*} 4 y y^{\prime \prime }-5 {y^{\prime }}^{2}+a y^{2}&=0 \\ \end{align*}

1.565

16364

3633

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

1.566

16365

5078

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

1.566

16366

14490

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

1.566

16367

16269

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

1.566

16368

22562

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

1.566

16369

1735

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

1.567

16370

13683

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

1.567

16371

23160

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

1.568

16372

24042

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

1.568

16373

2092

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

1.569

16374

6177

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

1.569

16375

15235

\begin{align*} y^{\prime \prime }+4 y^{\prime }+3 y&=\operatorname {Heaviside}\left (t \right )-\operatorname {Heaviside}\left (-1+t \right )+\operatorname {Heaviside}\left (t -2\right )-\operatorname {Heaviside}\left (t -3\right ) \\ y \left (0\right ) &= -{\frac {2}{3}} \\ y^{\prime }\left (0\right ) &= 1 \\ \end{align*}
Using Laplace transform method.

1.569

16376

677

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

1.570

16377

4755

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

1.570

16378

13679

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

1.571

16379

19871

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

1.571

16380

21408

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

1.571

16381

1150

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

1.572

16382

22067

\begin{align*} y^{\prime }-7 y&=\sin \left (2 x \right ) \\ \end{align*}

1.572

16383

7359

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

1.573

16384

9006

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

1.573

16385

20276

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

1.573

16386

22325

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

1.573

16387

20321

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

1.574

16388

2470

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

1.575

16389

3488

\begin{align*} f^{\prime \prime }+8 f^{\prime }+12 f&=12 \,{\mathrm e}^{-4 t} \\ f \left (0\right ) &= 0 \\ f^{\prime }\left (0\right ) &= -2 \\ \end{align*}

1.575

16390

4996

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

1.575

16391

21497

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

1.575

16392

24984

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

1.575

16393

3535

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

1.576

16394

5208

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

1.576

16395

22970

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

1.576

16396

19598

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

1.577

16397

21515

\begin{align*} y^{\prime \prime }&=9 x^{2}+2 x -1 \\ \end{align*}

1.577

16398

25298

\begin{align*} y^{\prime }-4 y&=\left \{\begin {array}{cc} 12 \,{\mathrm e}^{t} & 0\le t <1 \\ 12 \,{\mathrm e} & 1\le t \end {array}\right . \\ y \left (0\right ) &= 2 \\ \end{align*}
Using Laplace transform method.

1.577

16399

12356

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

1.578

16400

18584

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

1.578