2.2.73 Problems 7201 to 7300

Table 2.163: 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]]

1.386

7202

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

[[_2nd_order, _with_linear_symmetries]]

0.801

7203

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

[[_2nd_order, _with_linear_symmetries]]

1.501

7204

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

[[_2nd_order, _with_linear_symmetries]]

1.237

7205

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

[[_2nd_order, _with_linear_symmetries]]

1.479

7206

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

[[_2nd_order, _with_linear_symmetries]]

1.252

7207

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

[[_2nd_order, _with_linear_symmetries]]

1.338

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]]

0.735

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]]

1.548

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]]

1.294

7211

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

[[_2nd_order, _with_linear_symmetries]]

1.263

7212

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

[[_2nd_order, _with_linear_symmetries]]

0.210

7213

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

[[_Emden, _Fowler]]

0.290

7214

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

[[_Emden, _Fowler]]

0.406

7215

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

[[_Emden, _Fowler]]

1.729

7216

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

[_quadrature]

1.106

7217

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

[_separable]

4.353

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]

11.325

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]

7.604

7220

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

[_separable]

8.471

7221

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

[_quadrature]

0.462

7222

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

[_separable]

5.716

7223

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

[_separable]

5.169

7224

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

[_separable]

10.363

7225

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

[_quadrature]

2.930

7226

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

[_separable]

4.101

7227

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

[_quadrature]

3.985

7228

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

[_separable]

11.536

7229

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

[[_linear, ‘class A‘]]

0.199

7230

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

[_linear]

0.193

7231

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

[_linear]

0.216

7232

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

[_linear]

0.189

7233

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

[_linear]

0.397

7234

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

[_linear]

0.204

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]

0.283

7236

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

[_linear]

0.304

7237

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

[_linear]

0.228

7238

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

[_linear]

0.232

7239

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

[_linear]

0.243

7240

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

[_linear]

0.243

7241

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

[[_linear, ‘class A‘]]

0.178

7242

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

[_linear]

0.171

7243

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

[_Bernoulli]

4.367

7244

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

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

30.321

7245

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

[_separable]

7.880

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]

5.517

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‘]]

19.519

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

33.688

7249

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

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

7.691

7250

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

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

22.338

7251

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

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

23.337

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‘]]

25.205

7253

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

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

2.954

7254

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

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

12.206

7255

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

[_linear]

7.034

7256

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

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

10.205

7257

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

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

4.475

7258

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

[[_1st_order, _with_linear_symmetries], _Riccati]

4.497

7259

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

[[_2nd_order, _missing_x]]

0.233

7260

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

[[_2nd_order, _missing_x]]

0.336

7261

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

[[_2nd_order, _missing_x]]

1.701

7262

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

[[_2nd_order, _missing_x]]

0.303

7263

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

[[_2nd_order, _missing_x]]

0.373

7264

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

[[_2nd_order, _missing_x]]

2.827

7265

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

[[_2nd_order, _missing_x]]

0.233

7266

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

[[_2nd_order, _missing_x]]

1.682

7267

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

[[_2nd_order, _missing_x]]

0.328

7268

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

[[_2nd_order, _missing_x]]

0.243

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]]

0.222

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]]

0.211

7271

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

[[_3rd_order, _missing_x]]

0.066

7272

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

[[_3rd_order, _missing_x]]

0.091

7273

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

[[_3rd_order, _missing_x]]

0.142

7274

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

[[_high_order, _missing_x]]

0.073

7275

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

[[_2nd_order, _missing_x]]

1.524

7276

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

[[_2nd_order, _missing_x]]

0.514

7277

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

[[_2nd_order, _with_linear_symmetries]]

0.426

7278

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

[[_2nd_order, _with_linear_symmetries]]

0.438

7279

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

[[_2nd_order, _with_linear_symmetries]]

0.445

7280

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

[[_2nd_order, _with_linear_symmetries]]

0.570

7281

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

[[_2nd_order, _with_linear_symmetries]]

0.511

7282

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

[[_2nd_order, _with_linear_symmetries]]

0.535

7283

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

[[_2nd_order, _with_linear_symmetries]]

0.560

7284

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

[[_2nd_order, _with_linear_symmetries]]

0.594

7285

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

[[_2nd_order, _linear, _nonhomogeneous]]

0.558

7286

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

[[_2nd_order, _linear, _nonhomogeneous]]

0.622

7287

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

[[_2nd_order, _linear, _nonhomogeneous]]

0.590

7288

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

[[_2nd_order, _linear, _nonhomogeneous]]

0.556

7289

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

[[_2nd_order, _linear, _nonhomogeneous]]

0.577

7290

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

[[_2nd_order, _linear, _nonhomogeneous]]

0.576

7291

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

[[_2nd_order, _linear, _nonhomogeneous]]

0.586

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]]

0.571

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]]

0.588

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]]

0.568

7295

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

[[_2nd_order, _with_linear_symmetries]]

0.552

7296

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

[[_2nd_order, _missing_y]]

1.165

7297

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

[[_2nd_order, _linear, _nonhomogeneous]]

0.466

7298

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

[[_2nd_order, _linear, _nonhomogeneous]]

0.583

7299

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

[[_2nd_order, _linear, _nonhomogeneous]]

0.488

7300

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

[[_2nd_order, _linear, _nonhomogeneous]]

0.788