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]

0.461

8202

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

[[_2nd_order, _quadrature]]

2.338

8203

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

[_quadrature]

5.723

8204

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

[_quadrature]

2.584

8205

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

[_quadrature]

11.554

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]]

0.220

8207

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

[[_3rd_order, _with_linear_symmetries]]

0.453

8208

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

[_quadrature]

6.395

8209

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

[_quadrature]

5.221

8210

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

[_separable]

22.186

8211

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

[_separable]

20.903

8212

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

[_separable]

19.013

8213

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

[_separable]

20.855

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]]

11.687

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]]

3.133

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]]

4.803

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]]

3.720

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]]

6.504

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]]

6.907

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]]

2.267

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]]

2.566

8222

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

[_quadrature]

64.929

8223

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

[_separable]

15.990

8224

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

[_quadrature]

12.852

8225

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

[[_homogeneous, ‘class G‘]]

133.510

8226

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

[_separable]

8.898

8227

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

[[_linear, ‘class A‘]]

4.724

8228

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

[_separable]

112.017

8229

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

[_separable]

7.681

8230

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

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

55.517

8231

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

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

75.497

8232

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

[_quadrature]

167.597

8233

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

[_quadrature]

32.158

8234

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

[_quadrature]

23.016

8235

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

[_quadrature]

28.687

8236

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

[_separable]

9.730

8237

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

[_quadrature]

17.587

8238

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

[_quadrature]

10.456

8239

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

[_quadrature]

8.899

8240

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

[_quadrature]

32.727

8241

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

[_quadrature]

9.239

8242

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

[_quadrature]

4.783

8243

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

[_separable]

36.928

8244

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

[_separable]

24.448

8245

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

[_separable]

96.718

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]]

33.329

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]]

4.877

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]]

6.292

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]]

8.245

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]]

10.307

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]]

5.201

8252

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

[[_linear, ‘class A‘]]

5.299

8253

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

[[_Riccati, _special]]

14.722

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]]

14.751

8255

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

[[_linear, ‘class A‘]]

5.271

8256

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

[_separable]

138.284

8257

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

[_quadrature]

3.253

8258

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

[_quadrature]

1.976

8259

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

[_quadrature]

2.894

8260

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

[_separable]

9.066

8261

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

[[_2nd_order, _missing_x]]

5.048

8262

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

[[_2nd_order, _missing_y]]

1.817

8263

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

[[_2nd_order, _missing_x]]

2.733

8264

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

[_quadrature]

5.409

8265

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

[_separable]

15.389

8266

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

[_separable]

43.671

8267

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

[_linear]

35.851

8268

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

[[_Riccati, _special]]

33.699

8269

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

[_quadrature]

0.471

8270

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

[_Chini]

4.232

8271

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

[[_2nd_order, _linear, _nonhomogeneous]]

1.356

8272

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

[[_2nd_order, _linear, _nonhomogeneous]]

0.917

8273

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

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

5.043

8274

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

[[_2nd_order, _linear, _nonhomogeneous]]

53.040

8275

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

[_linear]

5.891

8276

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

[_linear]

5.789

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]]

2.492

8278

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

[[_2nd_order, _linear, _nonhomogeneous]]

1.379

8279

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

[_separable]

54.038

8280

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

[_quadrature]

3.295

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]]

51.362

8282

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

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

155.925

8283

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

[[_2nd_order, _missing_x]]

4.940

8284

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

[[_linear, ‘class A‘]]

5.269

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]]

1.652

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]]

1.609

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]]

1.332

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]]

1.464

8289

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

[_Riccati]

29.076

8290

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

[_Riccati]

39.319

8291

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

[_Riccati]

10.366

8292

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

[_Riccati]

26.412

8293

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

[‘y=_G(x,y’)‘]

2.763

8294

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

[‘y=_G(x,y’)‘]

1.136

8295

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

[‘y=_G(x,y’)‘]

1.149

8296

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

[‘y=_G(x,y’)‘]

1.144

8297

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

[_linear]

5.634

8298

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

[_linear]

5.201

8299

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

[_linear]

5.137

8300

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

[_linear]

5.285