2.3.208 Problems 20701 to 20800

Table 2.959: Main lookup table. Sorted by time used to solve.

#

ID

ODE

Solved?

Maple

Mma

Sympy

time(sec)

20701

25873

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

6.217

20702

7155

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

6.218

20703

7818

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

6.219

20704

1671

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

6.220

20705

4785

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

6.225

20706

13305

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

6.226

20707

19745

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

6.226

20708

24154

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

6.230

20709

19910

\begin{align*} \left (2 x^{2} y+4 x^{3}-12 x y^{2}+3 y^{2}-x \,{\mathrm e}^{y}+{\mathrm e}^{2 x}\right ) y^{\prime }+12 x^{2} y+2 x y^{2}+4 x^{3}-4 y^{3}+2 y \,{\mathrm e}^{2 x}-{\mathrm e}^{y}&=0 \\ \end{align*}

6.232

20710

2952

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

6.233

20711

1660

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

6.234

20712

12178

\begin{align*} y^{\prime }&=\frac {32 y x^{5}+8 x^{3}+32 x^{5}+64 x^{6} y^{3}+48 y^{2} x^{4}+12 x^{2} y+1}{16 x^{6} \left (4 x^{2} y+1+4 x^{2}\right )} \\ \end{align*}

6.234

20713

2532

\begin{align*} y^{\prime }&=\frac {\left (1+\cos \left (4 t \right )\right ) y}{4}-\frac {\left (1-\cos \left (4 t \right )\right ) y^{2}}{800} \\ y \left (0\right ) &= 100 \\ \end{align*}

6.240

20714

19743

\begin{align*} \sqrt {-u^{2}+1}\, v^{\prime }&=2 u \sqrt {1-v^{2}} \\ \end{align*}

6.242

20715

25771

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

6.242

20716

2997

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

6.243

20717

19097

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

6.243

20718

11676

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

6.247

20719

20836

\begin{align*} x^{2}+2 y x -4 y^{2}-\left (x^{2}-8 y x -4 y^{2}\right ) y^{\prime }&=0 \\ \end{align*}

6.247

20720

8761

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

6.248

20721

16202

\begin{align*} y^{3}-25 y+y^{\prime }&=0 \\ \end{align*}

6.250

20722

12268

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

6.253

20723

4798

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

6.255

20724

16890

\begin{align*} \left (-x^{4}+x^{3}\right ) y^{\prime \prime }+\left (3 x -1\right ) y^{\prime }+827 y&=0 \\ \end{align*}
Series expansion around \(x=1\).

6.255

20725

11859

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

6.257

20726

16859

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

6.257

20727

2932

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

6.258

20728

24269

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

6.259

20729

16308

\begin{align*} y^{\prime }+3 y&=\frac {28 \,{\mathrm e}^{2 x}}{y^{3}} \\ \end{align*}

6.263

20730

22543

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

6.263

20731

14460

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

6.266

20732

2974

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

6.267

20733

4874

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

6.267

20734

19096

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

6.268

20735

23235

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

6.269

20736

1695

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

6.273

20737

11655

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

6.274

20738

24152

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

6.274

20739

6827

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

6.276

20740

12207

\begin{align*} y^{\prime }&=-\frac {x \left ({\mathrm e}^{-3 x^{2}} x^{6}-6 \,{\mathrm e}^{-2 x^{2}} x^{4} y-2 \,{\mathrm e}^{-2 x^{2}} x^{4}+12 x^{2} {\mathrm e}^{-x^{2}} y^{2}+8 x^{2} {\mathrm e}^{-x^{2}} y+8 x^{2} {\mathrm e}^{-x^{2}}-8 y^{3}-8 y^{2}-8 \,{\mathrm e}^{-x^{2}}-8\right )}{8} \\ \end{align*}

6.277

20741

25885

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

6.277

20742

19377

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

6.279

20743

23115

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

6.279

20744

17911

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

6.282

20745

4822

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

6.283

20746

22612

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

6.283

20747

19412

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

6.289

20748

20481

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

6.290

20749

2935

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

6.292

20750

2990

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

6.292

20751

22548

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

6.293

20752

14921

\begin{align*} y^{\prime \prime }-4 y^{\prime }&=0 \\ y \left (0\right ) &= 13 \\ y^{\prime }\left (0\right ) &= 0 \\ \end{align*}

6.296

20753

22361

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

6.298

20754

187

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

6.299

20755

15384

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

6.300

20756

4910

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

6.301

20757

6154

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

6.304

20758

5042

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

6.306

20759

25828

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

6.312

20760

5903

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

6.313

20761

2855

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

6.314

20762

23346

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

6.315

20763

21086

\begin{align*} x^{\prime }&=\frac {3 x^{2}-2 t^{2}}{t x} \\ \end{align*}

6.317

20764

11985

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

6.318

20765

1607

\begin{align*} y^{\prime }-2 y&=\frac {x \,{\mathrm e}^{2 x}}{1-y \,{\mathrm e}^{-2 x}} \\ \end{align*}

6.319

20766

7665

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

6.319

20767

12543

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

6.319

20768

14704

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

6.320

20769

19304

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

6.320

20770

16309

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

6.321

20771

21166

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

6.325

20772

13369

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

6.327

20773

4717

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

6.328

20774

24186

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

6.328

20775

17988

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

6.329

20776

8230

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

6.330

20777

22854

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

6.331

20778

4264

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

6.335

20779

4657

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

6.335

20780

2916

\begin{align*} x \left (6 y x +5\right )+\left (2 x^{3}+3 y\right ) y^{\prime }&=0 \\ \end{align*}

6.336

20781

12157

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

6.336

20782

14051

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

6.336

20783

7403

\begin{align*} y^{\prime }&=8 x^{3} {\mathrm e}^{-2 y} \\ y \left (1\right ) &= 0 \\ \end{align*}

6.343

20784

20811

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

6.343

20785

7480

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

6.350

20786

4422

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

6.351

20787

22951

\begin{align*} x^{\prime }&=\frac {x}{t} \\ \end{align*}

6.353

20788

13684

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

6.356

20789

12218

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

6.357

20790

12201

\begin{align*} y^{\prime }&=-\left (-\frac {\ln \left (y\right )}{x}+\frac {\ln \left (y\right )}{x \ln \left (x \right )}-\textit {\_F1} \left (x \right )\right ) y \\ \end{align*}

6.358

20791

15884

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

6.359

20792

12037

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

6.362

20793

14970

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

6.363

20794

22993

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

6.364

20795

7754

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

6.365

20796

17089

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

6.368

20797

3678

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

6.369

20798

7421

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

6.370

20799

22402

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

6.370

20800

10089

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

6.374