2.3.264 Problems 26301 to 26400

Table 2.1101: Main lookup table. Sorted by time used to solve.

#

ID

ODE

Solved?

Maple

Mma

Sympy

time(sec)

26301

24170

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

78.276

26302

27293

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

78.339

26303

22393

\begin{align*} y^{\prime }&=\frac {6 x^{2}-5 y x -2 y^{2}}{6 x^{2}-8 y x +y^{2}} \\ \end{align*}

78.349

26304

23248

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

78.398

26305

24906

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

78.421

26306

19717

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

78.564

26307

8834

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

78.669

26308

13268

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

78.680

26309

15593

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

78.688

26310

9156

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

78.750

26311

8732

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

78.991

26312

10134

\begin{align*} w^{\prime }&=-\frac {1}{2}-\frac {\sqrt {1-12 w}}{2} \\ w \left (1\right ) &= -1 \\ \end{align*}

78.996

26313

12078

\begin{align*} y^{\prime }&=\frac {y^{3} x \,{\mathrm e}^{3 x^{2}} {\mathrm e}^{-\frac {9 x^{2}}{2}}}{9 \,{\mathrm e}^{\frac {3 x^{2}}{2}}+3 \,{\mathrm e}^{\frac {3 x^{2}}{2}} y+9 y} \\ \end{align*}

79.120

26314

12017

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

79.124

26315

13976

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

79.145

26316

25768

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

79.145

26317

26403

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

79.171

26318

27287

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

79.336

26319

10068

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

79.485

26320

25748

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

79.575

26321

1720

\begin{align*} 12 x^{3} y+24 y^{2} x^{2}+\left (9 x^{4}+32 x^{3} y+4 y\right ) y^{\prime }&=0 \\ \end{align*}

79.629

26322

24395

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

79.668

26323

13907

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

79.670

26324

13505

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

79.763

26325

23125

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

79.780

26326

8704

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

79.864

26327

13768

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

79.864

26328

26464

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

79.870

26329

5122

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

79.984

26330

23888

\begin{align*} \frac {8 x^{4} y+12 x^{3} y^{2}+2}{2 x +3 y}+\frac {\left (2 x^{5}+3 x^{4} y+3\right ) y^{\prime }}{1+x^{2} y^{4}}&=0 \\ \end{align*}

80.013

26331

24160

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

80.096

26332

5112

\begin{align*} 3 y-7 x +7+\left (7 y-3 x +3\right ) y^{\prime }&=0 \\ \end{align*}

80.125

26333

21385

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

80.217

26334

24181

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

80.262

26335

20294

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

80.293

26336

19120

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

80.321

26337

27426

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

80.420

26338

15821

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

80.434

26339

6087

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

80.437

26340

26404

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

80.478

26341

14537

\begin{align*} y^{\prime }&=\frac {2 x +7 y}{2 x -2 y} \\ y \left (1\right ) &= 2 \\ \end{align*}

80.521

26342

7568

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

80.680

26343

11549

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

80.703

26344

8833

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

80.714

26345

8771

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

80.773

26346

24344

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

80.893

26347

14480

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

80.935

26348

25210

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

80.974

26349

23865

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

81.058

26350

12072

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

81.069

26351

21809

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

81.114

26352

25787

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

81.240

26353

7029

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

81.323

26354

12580

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

81.352

26355

8711

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

81.378

26356

20821

\begin{align*} 3 x^{2}+6 x y^{2}+\left (6 x^{2}+4 y^{3}\right ) y^{\prime }&=0 \\ \end{align*}

81.386

26357

21361

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

81.406

26358

27482

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

81.452

26359

26210

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

81.502

26360

8701

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

81.547

26361

19074

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

81.576

26362

22077

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

81.600

26363

7862

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

81.642

26364

21822

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

81.690

26365

10023

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

81.742

26366

15019

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

81.767

26367

15557

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

81.784

26368

26299

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

81.804

26369

12522

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

81.841

26370

26274

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

81.890

26371

26321

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

81.950

26372

20281

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

82.006

26373

17297

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

82.036

26374

27239

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

82.054

26375

5460

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

82.139

26376

6112

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

82.145

26377

12516

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

82.253

26378

24158

\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*}

82.279

26379

23214

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

82.287

26380

23124

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

82.349

26381

14555

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

82.428

26382

25879

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

82.487

26383

25653

\begin{align*} R^{\prime \prime }&=-\frac {k}{R^{2}} \\ \end{align*}

82.610

26384

26040

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

82.715

26385

7931

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

82.717

26386

22473

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

82.756

26387

19967

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

82.931

26388

13763

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

83.094

26389

8715

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

83.177

26390

24167

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

83.249

26391

13470

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

83.254

26392

24152

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

83.444

26393

22383

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

83.453

26394

24907

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

83.454

26395

7545

\begin{align*} 2 x -2 y-8+\left (x -3 y-6\right ) y^{\prime }&=0 \\ \end{align*}

83.563

26396

13968

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

83.632

26397

20427

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

83.642

26398

19716

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

83.742

26399

8399

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

83.786

26400

26130

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

83.802