2.2.73 Problems 7201 to 7300

Table 2.159: Main lookup table. Sorted sequentially by problem number.

#

ODE

CAS classification

Solved?

Maple

Mma

Sympy

time(sec)

7201

\begin{align*} u^{\prime \prime }-\frac {2 u^{\prime }}{x}-a^{2} u&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

2.977

7202

\begin{align*} u^{\prime \prime }+\frac {2 u^{\prime }}{x}-a^{2} u&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

6.824

7203

\begin{align*} u^{\prime \prime }+\frac {2 u^{\prime }}{x}+a^{2} u&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

3.703

7204

\begin{align*} u^{\prime \prime }+\frac {4 u^{\prime }}{x}-a^{2} u&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

2.517

7205

\begin{align*} u^{\prime \prime }+\frac {4 u^{\prime }}{x}+a^{2} u&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

2.407

7206

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

[[_2nd_order, _with_linear_symmetries]]

1.280

7207

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

[[_2nd_order, _with_linear_symmetries]]

1.329

7208

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

[[_2nd_order, _with_linear_symmetries]]

62.310

7209

\begin{align*} x^{2} y^{\prime \prime }+y^{\prime } x +\frac {\left (-9 a^{2}+4 x^{2}\right ) y}{4 a^{2}}&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

63.520

7210

\begin{align*} x^{2} y^{\prime \prime }+y^{\prime } x +\left (x^{2}-\frac {25}{4}\right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

62.466

7211

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

[[_2nd_order, _with_linear_symmetries]]

1.883

7212

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

[[_2nd_order, _with_linear_symmetries]]

0.868

7213

\begin{align*} y^{\prime \prime }+\frac {y}{4 x}&=0 \\ \end{align*}

[[_Emden, _Fowler]]

0.741

7214

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

[[_Emden, _Fowler]]

1.921

7215

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

[[_Emden, _Fowler]]

2.993

7216

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

[_quadrature]

0.427

7217

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

[_separable]

1.789

7218

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

[_separable]

4.114

7219

\begin{align*} \sin \left (x \right ) y^{\prime }&=y \ln \left (y\right ) \\ y \left (\frac {\pi }{3}\right ) &= {\mathrm e} \\ \end{align*}

[_separable]

2.792

7220

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

[_separable]

3.137

7221

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

[_quadrature]

0.177

7222

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

[_separable]

2.483

7223

\begin{align*} y y^{\prime }+x y^{2}-8 x&=0 \\ y \left (1\right ) &= 3 \\ \end{align*}

[_separable]

2.317

7224

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

[_separable]

3.137

7225

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

[_quadrature]

0.954

7226

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

[_separable]

1.718

7227

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

[_quadrature]

1.188

7228

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

[_separable]

3.868

7229

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

[[_linear, ‘class A‘]]

0.096

7230

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

[_linear]

0.076

7231

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

[_linear]

0.104

7232

\begin{align*} 2 y^{\prime } x +y&=2 x^{{5}/{2}} \\ \end{align*}

[_linear]

0.082

7233

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

[_linear]

0.222

7234

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

[_linear]

0.089

7235

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

[_linear]

0.149

7236

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

[_linear]

0.127

7237

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

[_linear]

0.109

7238

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

[_linear]

0.152

7239

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

[_linear]

0.136

7240

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

[_linear]

0.117

7241

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

[[_linear, ‘class A‘]]

0.090

7242

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

[_linear]

0.080

7243

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

[_Bernoulli]

1.792

7244

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

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

7.886

7245

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

[_separable]

2.702

7246

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

[_exact]

2.509

7247

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

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

3.801

7248

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

unknown

71.002

7249

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

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

2.715

7250

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

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

5.694

7251

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

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

4.032

7252

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

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

5.352

7253

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

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

1.311

7254

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

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

4.103

7255

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

[_linear]

3.262

7256

\begin{align*} y^{\prime }&=x y^{2}-\frac {2 y}{x}-\frac {1}{x^{3}} \\ \end{align*}

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

3.443

7257

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

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

1.540

7258

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

[[_1st_order, _with_linear_symmetries], _Riccati]

2.019

7259

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

[[_2nd_order, _missing_x]]

3.331

7260

\begin{align*} y^{\prime \prime }-4 y^{\prime }+4 y&=0 \\ \end{align*}

[[_2nd_order, _missing_x]]

3.956

7261

\begin{align*} y^{\prime \prime }+9 y^{\prime }&=0 \\ \end{align*}

[[_2nd_order, _missing_x]]

1.442

7262

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

[[_2nd_order, _missing_x]]

4.367

7263

\begin{align*} y^{\prime \prime }-2 y^{\prime }+6 y&=0 \\ \end{align*}

[[_2nd_order, _missing_x]]

8.049

7264

\begin{align*} y^{\prime \prime }+16 y&=0 \\ \end{align*}

[[_2nd_order, _missing_x]]

3.344

7265

\begin{align*} 6 y-5 y^{\prime }+y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _missing_x]]

3.212

7266

\begin{align*} y^{\prime \prime }+5 y^{\prime }&=0 \\ \end{align*}

[[_2nd_order, _missing_x]]

1.479

7267

\begin{align*} y^{\prime \prime }-4 y^{\prime }+13 y&=0 \\ \end{align*}

[[_2nd_order, _missing_x]]

5.197

7268

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

[[_2nd_order, _missing_x]]

3.661

7269

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

[[_2nd_order, _missing_x]]

30.875

7270

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

[[_2nd_order, _missing_x]]

28.577

7271

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

[[_3rd_order, _missing_x]]

0.049

7272

\begin{align*} y^{\prime \prime \prime }+y^{\prime \prime }-6 y^{\prime }&=0 \\ \end{align*}

[[_3rd_order, _missing_x]]

0.042

7273

\begin{align*} y^{\prime \prime \prime }+3 y^{\prime \prime }-9 y^{\prime }-5 y&=0 \\ \end{align*}

[[_3rd_order, _missing_x]]

0.094

7274

\begin{align*} y^{\prime \prime \prime \prime }+4 y&=0 \\ \end{align*}

[[_high_order, _missing_x]]

0.067

7275

\begin{align*} y^{\prime \prime }-4 y^{\prime }&=10 \\ \end{align*}

[[_2nd_order, _missing_x]]

2.174

7276

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

[[_2nd_order, _missing_x]]

8.081

7277

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

[[_2nd_order, _with_linear_symmetries]]

27.319

7278

\begin{align*} y^{\prime \prime }-2 y^{\prime }-3 y&=24 \,{\mathrm e}^{-3 x} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

52.200

7279

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

[[_2nd_order, _with_linear_symmetries]]

1.493

7280

\begin{align*} y^{\prime \prime }+6 y^{\prime }+9 y&=12 \,{\mathrm e}^{-x} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

19.951

7281

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

[[_2nd_order, _with_linear_symmetries]]

27.247

7282

\begin{align*} y^{\prime \prime }-16 y&=40 \,{\mathrm e}^{4 x} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

62.028

7283

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

[[_2nd_order, _with_linear_symmetries]]

17.533

7284

\begin{align*} y^{\prime \prime }-6 y^{\prime }+9 y&=6 \,{\mathrm e}^{3 x} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

20.777

7285

\begin{align*} y^{\prime \prime }+2 y^{\prime }+10 y&=100 \cos \left (4 x \right ) \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

67.685

7286

\begin{align*} y^{\prime \prime }+4 y^{\prime }+12 y&=80 \sin \left (2 x \right ) \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

71.121

7287

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

[[_2nd_order, _linear, _nonhomogeneous]]

8.351

7288

\begin{align*} y^{\prime \prime }+8 y^{\prime }+25 y&=120 \sin \left (5 x \right ) \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

73.358

7289

\begin{align*} 5 y^{\prime \prime }+12 y^{\prime }+20 y&=120 \sin \left (2 x \right ) \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

70.214

7290

\begin{align*} y^{\prime \prime }+9 y&=30 \sin \left (3 x \right ) \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

68.730

7291

\begin{align*} y^{\prime \prime }+16 y&=16 \cos \left (4 x \right ) \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

5.315

7292

\begin{align*} y^{\prime \prime }+2 y^{\prime }+17 y&=60 \,{\mathrm e}^{-4 x} \sin \left (5 x \right ) \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

103.031

7293

\begin{align*} 4 y^{\prime \prime }+4 y^{\prime }+5 y&=40 \,{\mathrm e}^{-\frac {3 x}{2}} \sin \left (2 x \right ) \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

76.263

7294

\begin{align*} y^{\prime \prime }+4 y^{\prime }+8 y&=30 \,{\mathrm e}^{-\frac {x}{2}} \cos \left (\frac {5 x}{2}\right ) \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

64.363

7295

\begin{align*} 5 y^{\prime \prime }+6 y^{\prime }+2 y&=x^{2}+6 x \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

69.455

7296

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

[[_2nd_order, _missing_y]]

3.023

7297

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

[[_2nd_order, _linear, _nonhomogeneous]]

1.794

7298

\begin{align*} y^{\prime \prime }-6 y^{\prime }+9 y&=12 x \,{\mathrm e}^{3 x} \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

18.313

7299

\begin{align*} y^{\prime \prime }-2 y^{\prime }-3 y&=16 x^{2} {\mathrm e}^{-x} \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

79.941

7300

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

[[_2nd_order, _linear, _nonhomogeneous]]

3.221