2.3.219 Problems 21801 to 21900

Table 2.1011: Main lookup table. Sorted by time used to solve.

#

ID

ODE

Solved?

Maple

Mma

Sympy

time(sec)

21801

18010

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

6.201

21802

793

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

6.204

21803

7143

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

6.204

21804

27514

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

6.204

21805

3030

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

6.205

21806

14886

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

6.209

21807

12497

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

6.210

21808

21680

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

Series expansion around \(x=0\).

6.214

21809

27542

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

6.216

21810

10279

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

6.220

21811

12456

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

6.220

21812

18608

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

6.220

21813

806

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

6.222

21814

12379

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

6.222

21815

1603

\begin{align*} y^{\prime }&=a y-b y^{2} \\ y \left (0\right ) &= \operatorname {y0} \\ \end{align*}

6.223

21816

529

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

6.224

21817

17964

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

6.226

21818

21631

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

Series expansion around \(x=2\).

6.227

21819

24028

\begin{align*} y^{\left (8\right )}+y&=x^{15} \\ \end{align*}

6.229

21820

4420

\begin{align*} 2 x^{3} y y^{\prime }+3 x^{2} y^{2}+7&=0 \\ \end{align*}

6.234

21821

9967

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

Series expansion around \(x=0\).

6.235

21822

14497

\begin{align*} y^{\prime }+\left (4 y-\frac {8}{y^{3}}\right ) x&=0 \\ \end{align*}

6.237

21823

25794

\begin{align*} y^{\prime }&=x \,{\mathrm e}^{y} \\ y \left (1\right ) &= {\frac {5}{2}} \\ \end{align*}

6.238

21824

22365

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

6.239

21825

25771

\begin{align*} y^{\prime }&={\mathrm e}^{-\frac {x y^{2}}{100}} \\ y \left (-6\right ) &= 0 \\ \end{align*}

6.242

21826

15611

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

6.243

21827

2861

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

6.245

21828

1671

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

6.246

21829

20216

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

6.246

21830

10067

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

6.247

21831

12211

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

6.247

21832

8213

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

6.251

21833

18119

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

6.252

21834

20972

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

6.252

21835

13323

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

6.254

21836

4967

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

6.256

21837

8667

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

6.256

21838

18960

\begin{align*} y^{\prime \prime \prime \prime }-16 y&=g \left (t \right ) \\ y \left (0\right ) &= 0 \\ y^{\prime }\left (0\right ) &= 0 \\ y^{\prime \prime }\left (0\right ) &= 0 \\ y^{\prime \prime \prime }\left (0\right ) &= 0 \\ \end{align*}

Using Laplace transform method.

6.256

21839

5538

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

6.257

21840

7562

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

6.260

21841

9802

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

6.261

21842

15597

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

6.261

21843

12080

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

6.262

21844

12202

\begin{align*} y^{\prime }&=\frac {y^{2}}{y^{2}+y^{{3}/{2}}+x^{2} \sqrt {y}-2 x y^{{3}/{2}}+y^{{5}/{2}}+x^{3}-3 x^{2} y+3 x y^{2}-y^{3}} \\ \end{align*}

6.263

21845

5558

\begin{align*} 9 y {y^{\prime }}^{2}+4 x^{3} y^{\prime }-4 x^{2} y&=0 \\ \end{align*}

6.264

21846

8409

\begin{align*} m^{\prime }&=-\frac {k}{m^{2}} \\ m \left (0\right ) &= m_{0} \\ \end{align*}

6.267

21847

11497

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

6.269

21848

15923

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

6.272

21849

12397

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

6.275

21850

11571

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

6.278

21851

22520

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

6.279

21852

5026

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

6.280

21853

1732

\begin{align*} x^{4} y^{3}+y+\left (x^{5} y^{2}-x \right ) y^{\prime }&=0 \\ \end{align*}

6.282

21854

27420

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

6.282

21855

17256

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

6.285

21856

19748

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

6.285

21857

11963

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

6.286

21858

2500

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

6.289

21859

3551

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

6.289

21860

24205

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

6.289

21861

22588

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

6.290

21862

24370

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

6.291

21863

5365

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

6.293

21864

9773

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

6.293

21865

12216

\begin{align*} y^{\prime }&=-\frac {x}{4}+1+y^{2}+\frac {7 x^{2} y}{16}-\frac {y x}{2}+\frac {5 x^{4}}{128}-\frac {5 x^{3}}{64}+\frac {x^{2}}{16}+y^{3}+\frac {3 x^{2} y^{2}}{8}-\frac {3 x y^{2}}{4}+\frac {3 x^{4} y}{64}-\frac {3 x^{3} y}{16}+\frac {x^{6}}{512}-\frac {3 x^{5}}{256} \\ \end{align*}

6.293

21866

12261

\begin{align*} y^{\prime }&=\frac {a^{3} x^{3} y^{3}+3 y^{2} a^{2} x^{2}+3 a x y+1+a^{2} x}{x^{3} a^{3}} \\ \end{align*}

6.295

21867

5095

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

6.296

21868

4337

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

6.300

21869

13870

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

6.300

21870

4323

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

6.302

21871

8351

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

6.302

21872

16685

\begin{align*} x^{2} y^{\prime \prime }+5 x y^{\prime }+4 y&=64 x^{2} \ln \left (x \right ) \\ \end{align*}

6.303

21873

9932

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

Series expansion around \(x=0\).

6.305

21874

22760

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

6.306

21875

15584

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

6.307

21876

19075

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

6.309

21877

21321

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

6.309

21878

2944

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

6.313

21879

4102

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

6.316

21880

21825

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

6.318

21881

5034

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

6.319

21882

11957

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

6.319

21883

14766

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

Series expansion around \(x=0\).

6.319

21884

20398

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

6.319

21885

1800

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

6.320

21886

2495

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

6.322

21887

1553

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

6.323

21888

27306

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

6.323

21889

12142

\begin{align*} y^{\prime }&=-\frac {\left (-\frac {y \,{\mathrm e}^{\frac {1}{x}}}{x}-\textit {\_F1} \left (y \,{\mathrm e}^{\frac {1}{x}}\right )\right ) {\mathrm e}^{-\frac {1}{x}}}{x} \\ \end{align*}

6.327

21890

15316

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

6.328

21891

21758

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

6.328

21892

683

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

6.332

21893

21787

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

6.332

21894

23130

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

6.333

21895

802

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

6.336

21896

5531

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

6.336

21897

527

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

6.339

21898

8210

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

6.339

21899

19391

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

6.339

21900

3011

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

6.342