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]]

4.003

16202

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

[_quadrature]

4.260

16203

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

[_separable]

3.224

16204

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

[_separable]

9.656

16205

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

[_quadrature]

0.616

16206

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

[_Riccati]

3.159

16207

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

[_quadrature]

2.251

16208

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

[_separable]

3.627

16209

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

[_linear]

2.197

16210

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

[_rational, _Riccati]

37.944

16211

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

[_quadrature]

0.417

16212

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

[_quadrature]

0.908

16213

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

[_separable]

2.877

16214

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

[[_linear, ‘class A‘]]

2.289

16215

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

[_separable]

3.221

16216

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

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

2.190

16217

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

[_separable]

2.853

16218

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

[_separable]

8.156

16219

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

[_quadrature]

5.905

16220

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

[_separable]

7.000

16221

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

[_separable]

3.756

16222

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

[_separable]

2.665

16223

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

[_separable]

2.578

16224

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

[_separable]

9.335

16225

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

[_separable]

3.065

16226

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

[_separable]

3.137

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)]‘]]

5.137

16228

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

[_separable]

2.877

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]

3.463

16231

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

[_quadrature]

23.487

16232

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

[_separable]

1.670

16233

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

[_quadrature]

1.635

16234

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

[_separable]

2.853

16235

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

[_separable]

3.159

16236

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

[_separable]

3.648

16237

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

[_quadrature]

2.178

16238

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

[_separable]

2.674

16239

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

[_separable]

2.468

16240

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

[_separable]

3.703

16241

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

[_separable]

25.142

16242

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

[_quadrature]

1.041

16243

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

[_quadrature]

1.530

16244

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

[_separable]

7.119

16245

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

[_separable]

3.645

16246

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

[_separable]

4.412

16247

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

[_separable]

3.756

16248

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

[_quadrature]

1.099

16249

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

[_quadrature]

1.435

16250

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

[_separable]

3.109

16251

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

[_separable]

3.493

16252

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

[_separable]

9.799

16253

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

[_separable]

5.263

16254

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

[_separable]

10.401

16255

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

[_separable]

2.810

16256

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

[[_linear, ‘class A‘]]

2.586

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]

0.498

16259

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

[_Riccati]

1.693

16260

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

[_linear]

1.872

16261

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

[_quadrature]

0.914

16262

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

[_quadrature]

0.338

16263

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

[_separable]

3.194

16264

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

[_quadrature]

1.878

16265

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

[_linear]

12.557

16266

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

[_quadrature]

0.861

16267

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

[[_linear, ‘class A‘]]

1.921

16268

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

[[_linear, ‘class A‘]]

1.520

16269

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

[_separable]

2.818

16270

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

[_linear]

3.859

16271

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

[_linear]

2.345

16272

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

[_linear]

4.569

16273

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

[_linear]

3.461

16274

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

[_linear]

1.648

16275

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

[_linear]

3.905

16276

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

[_quadrature]

1.540

16277

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

[_quadrature]

1.012

16278

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

[[_linear, ‘class A‘]]

2.223

16279

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

[_linear]

3.948

16280

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

[_linear]

3.207

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]

3.776

16282

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

[_linear]

2.515

16283

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

[_linear]

3.708

16284

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

[_linear]

3.155

16285

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

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

11.556

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‘]]

19.673

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]

8.137

16288

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

[[_homogeneous, ‘class C‘], _Riccati]

3.332

16289

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

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

4.974

16290

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

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

9.340

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]

13.405

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‘]]

35.777

16293

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

[_quadrature]

2.619

16294

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

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

10.657

16295

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

[_Bernoulli]

5.386

16296

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

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

7.469

16297

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

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

10.084

16298

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

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

2.568

16299

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

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

14.889

16300

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

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

5.254