2.2.83 Problems 8201 to 8300

Table 2.183: Main lookup table. Sorted sequentially by problem number.

#

ODE

CAS classification

Solved?

Maple

Mma

Sympy

time(sec)

8201

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

[_quadrature]

0.238

8202

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

[[_2nd_order, _quadrature]]

0.966

8203

\begin{align*} {y^{\prime }}^{2} x -4 y^{\prime }-12 x^{3}&=0 \\ \end{align*}

[_quadrature]

2.303

8204

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

[_quadrature]

0.902

8205

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

[_quadrature]

4.160

8206

\begin{align*} y^{\prime \prime \prime \prime }-20 y^{\prime \prime \prime }+158 y^{\prime \prime }-580 y^{\prime }+841 y&=0 \\ \end{align*}

[[_high_order, _missing_x]]

0.086

8207

\begin{align*} x^{3} y^{\prime \prime \prime }+2 x^{2} y^{\prime \prime }+20 x y^{\prime }-78 y&=0 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.175

8208

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

[_quadrature]

1.856

8209

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

[_quadrature]

1.680

8210

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

[_separable]

6.339

8211

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

[_separable]

6.128

8212

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

[_separable]

5.925

8213

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

[_separable]

6.251

8214

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

[[_2nd_order, _missing_x]]

2.050

8215

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

[[_2nd_order, _missing_x]]

1.295

8216

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

[[_2nd_order, _missing_x]]

1.844

8217

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

[[_2nd_order, _missing_x]]

1.694

8218

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

[[_2nd_order, _missing_x]]

2.103

8219

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

[[_2nd_order, _missing_x]]

1.136

8220

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

[[_2nd_order, _missing_x]]

1.300

8221

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

[[_2nd_order, _missing_x]]

1.171

8222

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

[_quadrature]

10.707

8223

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

[_separable]

4.459

8224

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

[_quadrature]

3.019

8225

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

[[_homogeneous, ‘class G‘]]

19.694

8226

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

[_separable]

2.971

8227

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

[[_linear, ‘class A‘]]

1.579

8228

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

[_separable]

2.642

8229

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

[_separable]

2.557

8230

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

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

12.765

8231

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

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

20.824

8232

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

[_quadrature]

53.152

8233

\begin{align*} y^{\prime }&=\sqrt {y^{2}-9} \\ y \left (5\right ) &= 3 \\ \end{align*}

[_quadrature]

12.765

8234

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

[_quadrature]

11.066

8235

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

[_quadrature]

12.550

8236

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

[_separable]

3.210

8237

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

[_quadrature]

2.997

8238

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

[_quadrature]

3.476

8239

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

[_quadrature]

2.247

8240

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

[_quadrature]

5.576

8241

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

[_quadrature]

3.359

8242

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

[_quadrature]

2.487

8243

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

[_separable]

10.086

8244

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

[_separable]

9.181

8245

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

[_separable]

19.594

8246

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

[[_2nd_order, _missing_x]]

5.563

8247

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

[[_2nd_order, _missing_x]]

1.174

8248

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

[[_2nd_order, _missing_x]]

1.411

8249

\begin{align*} 4 y+y^{\prime \prime }&=0 \\ y \left (0\right ) &= 1 \\ y^{\prime }\left (\pi \right ) &= 5 \\ \end{align*}

[[_2nd_order, _missing_x]]

1.619

8250

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

[[_2nd_order, _missing_x]]

1.116

8251

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

[[_2nd_order, _missing_x]]

4.220

8252

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

[[_linear, ‘class A‘]]

1.994

8253

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

[[_Riccati, _special]]

11.805

8254

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

[[_2nd_order, _missing_x], [_2nd_order, _reducible, _mu_x_y1]]

1.360

8255

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

[[_linear, ‘class A‘]]

1.787

8256

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

[_separable]

12.375

8257

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

[_quadrature]

1.095

8258

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

[_quadrature]

0.842

8259

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

[_quadrature]

1.006

8260

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

[_separable]

3.107

8261

\begin{align*} y^{\prime \prime }+9 y&=18 \\ \end{align*}

[[_2nd_order, _missing_x]]

2.555

8262

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

[[_2nd_order, _missing_y]]

0.912

8263

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

[[_2nd_order, _missing_x]]

1.077

8264

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

[_quadrature]

1.584

8265

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

[_separable]

4.749

8266

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

[_separable]

10.430

8267

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

[_linear]

7.647

8268

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

[[_Riccati, _special]]

10.951

8269

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

[_quadrature]

0.330

8270

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

[_Chini]

3.691

8271

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

[[_2nd_order, _linear, _nonhomogeneous]]

0.700

8272

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

[[_2nd_order, _linear, _nonhomogeneous]]

0.559

8273

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

[[_Emden, _Fowler], [_2nd_order, _linear, ‘_with_symmetry_[0,F(x)]‘]]

1.755

8274

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

[[_2nd_order, _linear, _nonhomogeneous]]

8.349

8275

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

[_linear]

2.464

8276

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

[_linear]

2.286

8277

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

[[_2nd_order, _with_linear_symmetries]]

0.955

8278

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

[[_2nd_order, _linear, _nonhomogeneous]]

0.778

8279

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

[_separable]

7.951

8280

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

[_quadrature]

1.063

8281

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

[[_2nd_order, _missing_x], [_2nd_order, _reducible, _mu_x_y1], [_2nd_order, _reducible, _mu_y_y1]]

0.538

8282

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

[[_homogeneous, ‘class G‘], _rational, [_Abel, ‘2nd type‘, ‘class B‘]]

42.400

8283

\begin{align*} y^{\prime \prime }+9 y&=5 \\ \end{align*}

[[_2nd_order, _missing_x]]

2.647

8284

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

[[_linear, ‘class A‘]]

1.832

8285

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

[[_2nd_order, _with_linear_symmetries]]

0.633

8286

\begin{align*} y^{\prime \prime }-2 y^{\prime }-3 y&=6 x +4 \\ y \left (0\right ) &= 1 \\ y^{\prime }\left (0\right ) &= -3 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

0.611

8287

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

[[_2nd_order, _with_linear_symmetries]]

0.598

8288

\begin{align*} y^{\prime \prime }-2 y^{\prime }-3 y&=6 x +4 \\ y \left (-1\right ) &= 0 \\ y^{\prime }\left (-1\right ) &= 1 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

0.627

8289

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

[_Riccati]

8.598

8290

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

[_Riccati]

7.500

8291

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

[_Riccati]

7.348

8292

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

[_Riccati]

6.140

8293

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

[‘y=_G(x,y’)‘]

1.714

8294

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

[‘y=_G(x,y’)‘]

0.971

8295

\begin{align*} y^{\prime }&={\mathrm e}^{-\frac {x y^{2}}{100}} \\ y \left (0\right ) &= -4 \\ \end{align*}

[‘y=_G(x,y’)‘]

0.980

8296

\begin{align*} y^{\prime }&={\mathrm e}^{-\frac {x y^{2}}{100}} \\ y \left (8\right ) &= -4 \\ \end{align*}

[‘y=_G(x,y’)‘]

0.984

8297

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

[_linear]

2.035

8298

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

[_linear]

2.022

8299

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

[_linear]

2.061

8300

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

[_linear]

1.918