2.3.124 Problems 12301 to 12400

Table 2.779: Main lookup table. Sorted by time used to solve.

#

ID

ODE

Solved?

Maple

Mma

Sympy

time(sec)

12301

19697

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

0.702

12302

20738

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

0.702

12303

21339

\begin{align*} \sqrt {x}\, y^{\prime }+1&=0 \\ \end{align*}

0.702

12304

23273

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

0.702

12305

23463

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

0.702

12306

2607

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

0.703

12307

4542

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

0.703

12308

4684

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

0.703

12309

9883

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

0.703

12310

10158

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

0.703

12311

14319

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

0.703

12312

16880

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

0.703

12313

18346

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

0.703

12314

19188

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

0.703

12315

20385

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

0.703

12316

20725

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

0.703

12317

25217

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

0.703

12318

25288

\begin{align*} 3 y+y^{\prime }&=\left \{\begin {array}{cc} t & 0\le t <1 \\ 1 & 1\le t <\infty \end {array}\right . \\ y \left (0\right ) &= 0 \\ \end{align*}
Using Laplace transform method.

0.703

12319

25291

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

0.703

12320

25341

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

0.703

12321

5722

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

0.704

12322

8084

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

0.704

12323

8521

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

0.704

12324

10361

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

0.704

12325

12325

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

0.704

12326

15278

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

0.704

12327

19553

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

0.704

12328

20452

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

0.704

12329

25699

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

0.704

12330

826

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

0.705

12331

846

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

0.705

12332

3372

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

0.705

12333

6108

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

0.705

12334

8111

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

0.705

12335

14073

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

0.705

12336

14785

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

0.705

12337

19192

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

0.705

12338

23548

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

0.705

12339

4433

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

0.706

12340

5521

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

0.706

12341

18394

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

0.706

12342

20111

\begin{align*} y+3 y^{\prime } x +9 x^{2} y^{\prime \prime }+6 x^{3} y^{\prime \prime \prime }+x^{4} y^{\prime \prime \prime \prime }&=\left (1+\ln \left (x \right )\right )^{2} \\ \end{align*}

0.706

12343

20838

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

0.706

12344

23279

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

0.706

12345

2002

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

0.707

12346

4182

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

0.707

12347

5908

\begin{align*} \left (\operatorname {c1} \,x^{2}+\operatorname {b1} x +\operatorname {a1} \right ) y+a y^{\prime }+y^{\prime \prime } x&=0 \\ \end{align*}

0.707

12348

9552

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

0.707

12349

9724

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

0.707

12350

10083

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

0.707

12351

14986

\begin{align*} x^{\prime }&=2 x+2 y \\ y^{\prime }&=6 x+3 y+{\mathrm e}^{t} \\ \end{align*}
With initial conditions
\begin{align*} x \left (0\right ) &= 0 \\ y \left (0\right ) &= 1 \\ \end{align*}

0.707

12352

16178

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

0.707

12353

17106

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

0.707

12354

18401

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

0.707

12355

19117

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

0.707

12356

20025

\begin{align*} a {y^{\prime }}^{3}&=27 y \\ \end{align*}

0.707

12357

20559

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

0.707

12358

95

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

0.708

12359

365

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

0.708

12360

2600

\begin{align*} y^{\prime \prime }-6 y^{\prime }+9 y&=\left (3 t^{7}-5 t^{4}\right ) {\mathrm e}^{3 t} \\ \end{align*}

0.708

12361

7301

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

0.708

12362

9432

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

0.708

12363

10116

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

0.708

12364

12786

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

0.708

12365

16519

\begin{align*} y^{\prime \prime }+16 y&=0 \\ y \left (0\right ) &= 0 \\ y^{\prime }\left (0\right ) &= 1 \\ \end{align*}

0.708

12366

18000

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

0.708

12367

19442

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

0.708

12368

19756

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

0.708

12369

20159

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

0.708

12370

20946

\begin{align*} x^{\prime }&=5 x+3 y+1 \\ y^{\prime }&=-6 x-4 y+{\mathrm e}^{t} \\ \end{align*}
With initial conditions
\begin{align*} x \left (0\right ) &= 1 \\ y \left (0\right ) &= 0 \\ \end{align*}

0.708

12371

21216

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

0.708

12372

1952

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

0.709

12373

6175

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

0.709

12374

13070

\begin{align*} x^{\prime }+y-t^{2}+6 t +1&=0 \\ -x+y^{\prime }&=-3 t^{2}+3 t +1 \\ \end{align*}

0.709

12375

20459

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

0.709

12376

20484

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

0.709

12377

25409

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

0.709

12378

1517

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

0.710

12379

2195

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

0.710

12380

2764

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

0.710

12381

5997

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

0.710

12382

6060

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

0.710

12383

6408

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

0.710

12384

7772

\begin{align*} y^{\prime \prime }-9 y&={\mathrm e}^{3 x}+\sin \left (x \right ) \\ \end{align*}

0.710

12385

8321

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

0.710

12386

10586

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

0.710

12387

12986

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

0.710

12388

13701

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

0.710

12389

14755

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

0.710

12390

20898

\begin{align*} \frac {y^{\prime \prime }}{x}+\frac {3 \left (x -4\right ) y^{\prime }}{6+x}+\frac {x^{2} \left (x -2\right ) y}{x -1}&=0 \\ \end{align*}
Series expansion around \(x=0\).

0.710

12391

23296

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

0.710

12392

598

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

0.711

12393

1967

\begin{align*} x^{2} \left (4 x +3\right ) y^{\prime \prime }+x \left (11+4 x \right ) y^{\prime }-\left (4 x +3\right ) y&=0 \\ \end{align*}
Series expansion around \(x=0\).

0.711

12394

4385

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

0.711

12395

5698

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

0.711

12396

6098

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

0.711

12397

6821

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

0.711

12398

9188

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

0.711

12399

12624

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

0.711

12400

12943

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

0.711