2.2.163 Problems 16201 to 16300

Table 2.343: Main lookup table. Sorted sequentially by problem number.

#

ODE

CAS classification

Solved?

Maple

Mma

Sympy

time(sec)

16201

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

[[_Riccati, _special]]

5.774

16202

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

[_quadrature]

6.250

16203

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

[_separable]

4.119

16204

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

[_separable]

12.599

16205

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

[_quadrature]

0.564

16206

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

[_Riccati]

3.737

16207

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

[_quadrature]

3.015

16208

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

[_separable]

4.389

16209

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

[_linear]

2.395

16210

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

[_rational, _Riccati]

54.224

16211

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

[_quadrature]

0.355

16212

\begin{align*} y^{\prime }+4 y&=8 \\ \end{align*}

[_quadrature]

0.970

16213

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

[_separable]

3.441

16214

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

[[_linear, ‘class A‘]]

2.749

16215

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

[_separable]

3.847

16216

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

[[_homogeneous, ‘class C‘], _dAlembert]

2.428

16217

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

[_separable]

3.615

16218

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

[_separable]

10.355

16219

\begin{align*} y^{\prime }&=y^{2}+9 \\ \end{align*}

[_quadrature]

6.523

16220

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

[_separable]

8.214

16221

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

[_separable]

5.479

16222

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

[_separable]

2.893

16223

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

[_separable]

3.257

16224

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

[_separable]

17.436

16225

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

[_separable]

4.554

16226

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

[_separable]

4.879

16227

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

[[_1st_order, ‘_with_symmetry_[F(x),G(x)*y+H(x)]‘]]

7.537

16228

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

[_separable]

3.411

16229

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

[_quadrature]

0.937

16230

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

[_separable]

4.218

16231

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

[_quadrature]

27.250

16232

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

[_separable]

1.979

16233

\begin{align*} y^{\prime }&=200 y-2 y^{2} \\ \end{align*}

[_quadrature]

2.293

16234

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

[_separable]

3.300

16235

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

[_separable]

3.856

16236

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

[_separable]

4.204

16237

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

[_quadrature]

2.814

16238

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

[_separable]

3.305

16239

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

[_separable]

3.236

16240

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

[_separable]

4.255

16241

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

[_separable]

33.426

16242

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

[_quadrature]

0.966

16243

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

[_quadrature]

1.797

16244

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

[_separable]

9.723

16245

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

[_separable]

4.880

16246

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

[_separable]

5.197

16247

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

[_separable]

4.229

16248

\begin{align*} y^{\prime }&=200 y-2 y^{2} \\ \end{align*}

[_quadrature]

1.084

16249

\begin{align*} y^{\prime }-2 y&=-10 \\ y \left (0\right ) &= 8 \\ \end{align*}

[_quadrature]

1.515

16250

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

[_separable]

3.842

16251

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

[_separable]

4.402

16252

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

[_separable]

12.901

16253

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

[_separable]

7.149

16254

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

[_separable]

18.570

16255

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

[_separable]

3.421

16256

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

[[_linear, ‘class A‘]]

3.013

16257

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

[‘y=_G(x,y’)‘]

45.574

16258

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

[_Riccati]

0.566

16259

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

[_Riccati]

2.194

16260

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

[_linear]

2.196

16261

\begin{align*} y^{\prime }&=4 y+8 \\ \end{align*}

[_quadrature]

0.951

16262

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

[_quadrature]

0.326

16263

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

[_separable]

4.267

16264

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

[_quadrature]

2.336

16265

\begin{align*} y^{\prime } x +\cos \left (x^{2}\right )&=827 y \\ \end{align*}

[_linear]

24.755

16266

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

[_quadrature]

0.889

16267

\begin{align*} 2 y+y^{\prime }&=20 \,{\mathrm e}^{3 x} \\ \end{align*}

[[_linear, ‘class A‘]]

2.296

16268

\begin{align*} y^{\prime }&=4 y+16 x \\ \end{align*}

[[_linear, ‘class A‘]]

1.803

16269

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

[_separable]

3.391

16270

\begin{align*} y^{\prime } x +3 y-10 x^{2}&=0 \\ \end{align*}

[_linear]

5.207

16271

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

[_linear]

2.804

16272

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

[_linear]

6.191

16273

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

[_linear]

3.678

16274

\begin{align*} y^{\prime } x +\left (2+5 x \right ) y&=\frac {20}{x} \\ \end{align*}

[_linear]

2.046

16275

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

[_linear]

4.571

16276

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

[_quadrature]

1.573

16277

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

[_quadrature]

2.059

16278

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

[[_linear, ‘class A‘]]

3.525

16279

\begin{align*} y^{\prime } x +3 y&=20 x^{2} \\ y \left (1\right ) &= 10 \\ \end{align*}

[_linear]

5.094

16280

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

[_linear]

3.834

16281

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

[_linear]

4.284

16282

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

[_linear]

2.893

16283

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

[_linear]

4.385

16284

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

[_linear]

3.774

16285

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

[[_homogeneous, ‘class C‘], _dAlembert]

14.655

16286

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

[[_homogeneous, ‘class C‘], _rational, [_Abel, ‘2nd type‘, ‘class A‘]]

27.448

16287

\begin{align*} \cos \left (-4 y+8 x -3\right ) y^{\prime }&=2+2 \cos \left (-4 y+8 x -3\right ) \\ \end{align*}

[[_homogeneous, ‘class C‘], _exact, _dAlembert]

7.934

16288

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

[[_homogeneous, ‘class C‘], _Riccati]

4.562

16289

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

[[_homogeneous, ‘class A‘], _rational, _Bernoulli]

6.167

16290

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

[[_homogeneous, ‘class A‘], _rational, _Bernoulli]

10.998

16291

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

[[_homogeneous, ‘class A‘], _dAlembert]

16.035

16292

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

[[_homogeneous, ‘class A‘], _rational, [_Abel, ‘2nd type‘, ‘class A‘]]

52.699

16293

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

[_quadrature]

3.467

16294

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

[[_homogeneous, ‘class A‘], _rational, _Bernoulli]

18.191

16295

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

[_Bernoulli]

6.769

16296

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

[[_homogeneous, ‘class D‘], _rational, _Bernoulli]

8.986

16297

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

[[_homogeneous, ‘class A‘], _rational, _Bernoulli]

12.240

16298

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

[[_homogeneous, ‘class C‘], _dAlembert]

3.681

16299

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

[[_homogeneous, ‘class G‘], _rational, _Bernoulli]

30.707

16300

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

[[_homogeneous, ‘class C‘], _dAlembert]

6.111