2.2.84 Problems 8301 to 8400

Table 2.181: Main lookup table. Sorted sequentially by problem number.

#

ODE

CAS classification

Solved?

Maple

Mma

Sympy

time(sec)

8301

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

[_separable]

4.923

8302

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

[_separable]

2.599

8303

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

[_separable]

4.393

8304

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

[_separable]

3.214

8305

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

[_quadrature]

2.787

8306

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

[_quadrature]

2.888

8307

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

[[_linear, ‘class A‘]]

1.012

8308

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

[[_linear, ‘class A‘]]

0.973

8309

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

[_separable]

4.503

8310

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

[_separable]

7.593

8311

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

[_quadrature]

3.482

8312

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

[_quadrature]

0.862

8313

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

[[_linear, ‘class A‘]]

1.798

8314

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

[[_linear, ‘class A‘]]

1.658

8315

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

[_separable]

2.536

8316

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

[_separable]

2.526

8317

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

[[_linear, ‘class A‘]]

2.076

8318

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

[[_linear, ‘class A‘]]

1.889

8319

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

[_linear]

4.601

8320

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

[_linear]

4.487

8321

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

[[_linear, ‘class A‘]]

0.897

8322

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

[[_Riccati, _special]]

38.308

8323

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

[_Riccati]

106.510

8324

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

[[_linear, ‘class A‘]]

1.639

8325

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

[_quadrature]

1.760

8326

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

[_quadrature]

0.747

8327

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

[_quadrature]

0.553

8328

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

[_quadrature]

9.444

8329

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

[_quadrature]

0.256

8330

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

[_quadrature]

0.833

8331

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

[_quadrature]

0.775

8332

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

[_quadrature]

1.352

8333

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

[_quadrature]

1.533

8334

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

[_quadrature]

1.714

8335

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

[_quadrature]

0.980

8336

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

[_quadrature]

0.589

8337

\begin{align*} m v^{\prime }&=m g -k v^{2} \\ \end{align*}

[_quadrature]

3.279

8338

\begin{align*} y^{\prime }&=\sin \left (5 x \right ) \\ \end{align*}

[_quadrature]

0.267

8339

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

[_quadrature]

0.221

8340

\begin{align*} 1+{\mathrm e}^{3 x} y^{\prime }&=0 \\ \end{align*}

[_quadrature]

0.303

8341

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

[_quadrature]

0.266

8342

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

[_separable]

2.688

8343

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

[_separable]

3.502

8344

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

[_separable]

1.871

8345

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

[_separable]

3.249

8346

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

[_separable]

4.211

8347

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

[_separable]

4.792

8348

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

[_separable]

2.483

8349

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

[_separable]

5.780

8350

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

[_separable]

4.142

8351

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

[_separable]

3.500

8352

\begin{align*} s^{\prime }&=k s \\ \end{align*}

[_quadrature]

0.888

8353

\begin{align*} q^{\prime }&=k \left (q-70\right ) \\ \end{align*}

[_quadrature]

0.677

8354

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

[_quadrature]

1.099

8355

\begin{align*} n^{\prime }+n&=n t \,{\mathrm e}^{t +2} \\ \end{align*}

[_separable]

2.683

8356

\begin{align*} y^{\prime }&=\frac {y x +3 x -y-3}{y x -2 x +4 y-8} \\ \end{align*}

[_separable]

4.673

8357

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

[_separable]

3.066

8358

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

[_separable]

0.273

8359

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

[_separable]

3.409

8360

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

[_quadrature]

44.802

8361

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

[_separable]

4.481

8362

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

[_separable]

3.181

8363

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

[_quadrature]

0.895

8364

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

[_separable]

14.445

8365

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

[_separable]

3.658

8366

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

[_quadrature]

1.319

8367

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

[_separable]

5.263

8368

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

[_separable]

2.910

8369

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

[_separable]

4.533

8370

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

[_separable]

43.122

8371

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

[_separable]

3.197

8372

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

[_separable]

4.391

8373

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

[_separable]

2.240

8374

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

[_separable]

2.320

8375

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

[_separable]

2.830

8376

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

[_quadrature]

5.157

8377

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

[_quadrature]

5.967

8378

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

[_quadrature]

7.254

8379

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

[_separable]

5.763

8380

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

[_separable]

5.977

8381

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

[_separable]

5.296

8382

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

[_separable]

4.383

8383

\begin{align*} 2 x \sin \left (y\right )^{2}-\left (x^{2}+10\right ) \cos \left (y\right ) y^{\prime }&=0 \\ \end{align*}

[_separable]

3.879

8384

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

[_quadrature]

0.552

8385

\begin{align*} y^{\prime }&=\left (-1+y\right )^{2} \\ y \left (0\right ) &= {\frac {101}{100}} \\ \end{align*}

[_quadrature]

0.395

8386

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

[_quadrature]

0.520

8387

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

[_quadrature]

1.140

8388

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

[_quadrature]

2.767

8389

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

[_quadrature]

2.592

8390

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

[_quadrature]

2.267

8391

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

[_quadrature]

2.316

8392

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

[_quadrature]

0.630

8393

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

[_quadrature]

0.684

8394

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

[_quadrature]

1.711

8395

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

[_quadrature]

0.568

8396

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

[_quadrature]

0.348

8397

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

[_separable]

4.263

8398

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

[_separable]

6.944

8399

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

[_quadrature]

56.970

8400

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

[_separable]

4.024