2.2.92 Problems 9101 to 9200

Table 2.185: Main lookup table. Sorted sequentially by problem number.

#

ODE

CAS classification

Solved?

time (sec)

9101

\[ {}y^{\prime \prime }+q y^{\prime } = \frac {2 y}{x^{2}} \]

[[_2nd_order, _with_linear_symmetries]]

0.314

9102

\[ {}x y^{\prime \prime }+3 y^{\prime }+4 x^{3} y = 0 \]

[[_Emden, _Fowler]]

0.309

9103

\[ {}x^{2} \left (2-x \right ) y^{\prime \prime }+2 y^{\prime } x -2 y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.238

9104

\[ {}\left (x^{2}+1\right ) y^{\prime \prime }-2 y^{\prime } x +2 y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.307

9105

\[ {}x y^{\prime \prime }-2 \left (x +1\right ) y^{\prime }+\left (x +2\right ) y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.172

9106

\[ {}3 x y^{\prime \prime }-2 \left (3 x -1\right ) y^{\prime }+\left (3 x -2\right ) y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.177

9107

\[ {}x \left (x +1\right ) y^{\prime \prime }-\left (x -1\right ) y^{\prime }+y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.263

9108

\[ {}\left (x^{2}+2 x \right ) y^{\prime \prime }-2 \left (x +1\right ) y^{\prime }+2 y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.253

9109

\[ {}\left (x^{2}+2 x \right ) y^{\prime \prime }-2 \left (x +1\right ) y^{\prime }+2 y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.263

9110

\[ {}\left (x^{2}+1\right ) y^{\prime \prime }-2 y^{\prime } x +2 y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.308

9111

\[ {}\left (x^{2}+1\right ) y^{\prime \prime }-2 y^{\prime } x +2 y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.312

9112

\[ {}y^{\prime \prime }-4 y^{\prime } x +\left (4 x^{2}-2\right ) y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.102

9113

\[ {}y^{\prime \prime }-4 y^{\prime } x +\left (4 x^{2}-2\right ) y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.100

9114

\[ {}\left (2 x -3\right ) y^{\prime \prime }-y^{\prime } x +y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.387

9115

\[ {}y^{\prime \prime }-y^{\prime } x -3 y = 0 \]

[_Hermite]

0.262

9116

\[ {}\left (x^{2}+1\right ) y^{\prime \prime }-y^{\prime } x +y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.290

9117

\[ {}y^{\prime \prime }-y^{\prime } x +2 y = 0 \]

[_Hermite]

0.270

9118

\[ {}\left (-x^{2}+1\right ) y^{\prime \prime }-y^{\prime }+y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.723

9119

\[ {}x \left (x +1\right )^{2} y^{\prime \prime }+\left (-x^{2}+1\right ) y^{\prime }+\left (x -1\right ) y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.209

9120

\[ {}2 x y^{\prime \prime }-y^{\prime }+2 y = 0 \]

[[_Emden, _Fowler]]

0.246

9121

\[ {}x y^{\prime \prime }+y^{\prime } x -2 y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.261

9122

\[ {}x \left (x -1\right )^{2} y^{\prime \prime }-2 y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.191

9123

\[ {}y^{\prime \prime }-2 y^{\prime } x +x^{2} y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.190

9124

\[ {}x \left (-x^{2}+2\right ) y^{\prime \prime }-\left (x^{2}+4 x +2\right ) \left (\left (1-x \right ) y^{\prime }+y\right ) = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.549

9125

\[ {}x^{2} \left (x +1\right ) y^{\prime \prime }-\left (2 x +1\right ) \left (-y+y^{\prime } x \right ) = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.257

9126

\[ {}2 x^{2} \left (2-x \right ) y^{\prime \prime }-x \left (4-x \right ) y^{\prime }+\left (3-x \right ) y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.211

9127

\[ {}x^{2} \left (1-x \right ) y^{\prime \prime }+\left (5 x -4\right ) x y^{\prime }+\left (6-9 x \right ) y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.233

9128

\[ {}x y^{\prime \prime }+\left (4 x^{2}+1\right ) y^{\prime }+4 x \left (x^{2}+1\right ) y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.211

9129

\[ {}\left (-x^{2}+1\right ) y^{\prime \prime }-2 y^{\prime } x +12 y = 0 \]

[_Gegenbauer]

0.326

9130

\[ {}x \left (x +2\right ) y^{\prime \prime }+2 \left (x +1\right ) y^{\prime }-2 y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.262

9131

\[ {}x \left (x +2\right ) y^{\prime \prime }+\left (x +1\right ) y^{\prime }-4 y = 0 \]

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

0.250

9132

\[ {}\left (x -1\right ) y^{\prime \prime }-y^{\prime } x +y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.264

9133

\[ {}\left (x^{2}+1\right ) y^{\prime \prime }-2 y^{\prime } x +2 y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.308

9134

\[ {}\left (x^{2}-2 x +10\right ) y^{\prime \prime }+y^{\prime } x -4 y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.395

9135

\[ {}\left (x^{2}-2 x +10\right ) y^{\prime \prime }+y^{\prime } x -4 y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.414

9136

\[ {}y^{\prime \prime }-y^{\prime } x +2 y = 0 \]

[_Hermite]

0.273

9137

\[ {}\left (x +2\right ) y^{\prime \prime }+y^{\prime } x -y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.291

9138

\[ {}\left (x^{2}+1\right ) y^{\prime \prime }-6 y = 0 \]

[[_Emden, _Fowler]]

0.269

9139

\[ {}\left (x^{2}+2\right ) y^{\prime \prime }+3 y^{\prime } x -y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.404

9140

\[ {}\left (x -1\right ) y^{\prime \prime }-y^{\prime } x +y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.264

9141

\[ {}x^{2} y^{\prime \prime }+\left (\frac {5}{3} x +x^{2}\right ) y^{\prime }-\frac {y}{3} = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.388

9142

\[ {}2 x y^{\prime \prime }-y^{\prime }+2 y = 0 \]

[[_Emden, _Fowler]]

0.244

9143

\[ {}2 x y^{\prime \prime }-\left (2 x +3\right ) y^{\prime }+y = 0 \]

[_Laguerre]

0.359

9144

\[ {}2 x^{2} y^{\prime \prime }+3 y^{\prime } x +\left (2 x -1\right ) y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.253

9145

\[ {}x y^{\prime \prime }+2 y^{\prime }-y x = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.105

9146

\[ {}x^{2} y^{\prime \prime }+y^{\prime } x +\left (x^{2}-\frac {1}{4}\right ) y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.185

9147

\[ {}x y^{\prime \prime }+\left (x -6\right ) y^{\prime }-3 y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.302

9148

\[ {}x^{4} y^{\prime \prime }+\lambda y = 0 \]

[[_Emden, _Fowler]]

0.273

9149

\[ {}4 x^{2} y^{\prime \prime }+4 y^{\prime } x +\left (4 x^{2}-25\right ) y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.338

9150

\[ {}x^{2} y^{\prime \prime }+y^{\prime } x +\left (36 x^{2}-\frac {1}{4}\right ) y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.196

9151

\[ {}x^{2} y^{\prime \prime }+\left (x^{2}-2\right ) y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.307

9152

\[ {}x y^{\prime \prime }+3 y^{\prime }+x^{3} y = 0 \]

[[_Emden, _Fowler]]

0.309

9153

\[ {}x^{2} y^{\prime \prime }+4 y^{\prime } x +\left (x^{2}+2\right ) y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.171

9154

\[ {}16 x^{2} y^{\prime \prime }+32 y^{\prime } x +\left (x^{4}-12\right ) y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.309

9155

\[ {}y^{\prime \prime }-x^{2} y^{\prime }+y x = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.398

9156

\[ {}x y^{\prime \prime }-\left (x +2\right ) y^{\prime }+2 y = 0 \]

[_Laguerre]

0.256

9157

\[ {}y^{\prime \prime }+y^{\prime } x +2 y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.257

9158

\[ {}\left (-x^{2}+1\right ) y^{\prime \prime }-2 y^{\prime } x +2 y = 0 \]

[_Gegenbauer]

0.288

9159

\[ {}y^{\prime \prime }-4 y^{\prime } x +\left (4 x^{2}-2\right ) y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.103

9160

\[ {}\left (-x^{2}+1\right ) y^{\prime \prime }-2 y^{\prime } x +30 y = 0 \]

[_Gegenbauer]

0.342

9161

\[ {}x y^{\prime \prime }+2 y^{\prime }+y x = 0 \]

[_Lienard]

0.161

9162

\[ {}x y^{\prime \prime }+\left (2 x +1\right ) y^{\prime }+\left (x +1\right ) y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.202

9163

\[ {}2 x \left (x -1\right ) y^{\prime \prime }-\left (x +1\right ) y^{\prime }+y = 0 \]

[_Jacobi]

0.226

9164

\[ {}x y^{\prime \prime }+2 y^{\prime }+4 y x = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.173

9165

\[ {}x y^{\prime \prime }+\left (2-2 x \right ) y^{\prime }+\left (x -2\right ) y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.113

9166

\[ {}x^{2} y^{\prime \prime }+6 y^{\prime } x +\left (4 x^{2}+6\right ) y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.184

9167

\[ {}x y^{\prime \prime }+\left (1-2 x \right ) y^{\prime }+\left (x -1\right ) y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.205

9168

\[ {}x \left (1-x \right ) y^{\prime \prime }+\left (\frac {1}{2}+2 x \right ) y^{\prime }-2 y = 0 \]

[_Jacobi]

0.303

9169

\[ {}4 \left (t^{2}-3 t +2\right ) y^{\prime \prime }-2 y^{\prime }+y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.290

9170

\[ {}2 \left (t^{2}-5 t +6\right ) y^{\prime \prime }+\left (2 t -3\right ) y^{\prime }-8 y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.282

9171

\[ {}3 t \left (1+t \right ) y^{\prime \prime }+t y^{\prime }-y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.329

9172

\[ {}x^{2} y^{\prime \prime }+\frac {\left (x +\frac {3}{4}\right ) y}{4} = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.242

9173

\[ {}x^{2} y^{\prime \prime }+y^{\prime } x +\frac {\left (x^{2}-1\right ) y}{4} = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.192

9174

\[ {}x y^{\prime \prime }+\left (1-2 x \right ) y^{\prime }+\left (x -1\right ) y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.197

9175

\[ {}x y^{\prime \prime }-\left (x +1\right ) y^{\prime }+y = 0 \]

[_Laguerre]

0.254

9176

\[ {}x y^{\prime \prime }+3 y^{\prime }+4 x^{3} y = 0 \]

[[_Emden, _Fowler]]

0.317

9177

\[ {}x^{2} \left (-x^{2}+1\right ) y^{\prime \prime }+2 x \left (-x^{2}+1\right ) y^{\prime }-2 y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.248

9178

\[ {}2 x y^{\prime \prime }+\left (x -2\right ) y^{\prime }-y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.263

9179

\[ {}x y^{\prime \prime }+2 y^{\prime }+y x = 0 \]

[_Lienard]

0.161

9180

\[ {}y^{\prime \prime }+2 x^{2} y^{\prime }+\left (x^{4}+2 x -1\right ) y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.142

9181

\[ {}u^{\prime \prime }+2 u^{\prime }+u = 0 \]

[[_2nd_order, _missing_x]]

0.196

9182

\[ {}u^{\prime \prime }-\left (2 x +1\right ) u^{\prime }+\left (x^{2}+x -1\right ) u = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.122

9183

\[ {}y^{\prime \prime }+2 y^{\prime }+\left (1+\frac {2}{\left (3 x +1\right )^{2}}\right ) y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.181

9184

\[ {}x^{2} y^{\prime \prime }-2 y^{\prime } x +\left (x^{2}+2\right ) y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.171

9185

\[ {}y^{\prime \prime }+\frac {2 y^{\prime }}{x}-\frac {2 y}{\left (x +1\right )^{2}} = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.164

9186

\[ {}y^{\prime \prime }-y^{\prime } x -y x = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.272

9187

\[ {}y^{\prime \prime }-y^{\prime } x -y x = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.273

9188

\[ {}y^{\prime \prime }-y^{\prime } x -y x = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.265

9189

\[ {}y^{\prime \prime }-y^{\prime } x -y x = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.269

9190

\[ {}y^{\prime \prime }-y^{\prime } x -y x = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.273

9191

\[ {}y^{\prime \prime }-y^{\prime } x -y x = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.265

9192

\[ {}y^{\prime \prime }-y^{\prime } x -y x = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.266

9193

\[ {}y^{\prime \prime }-y^{\prime } x -y x = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.274

9194

\[ {}y^{\prime \prime }-y^{\prime } x -y x = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.267

9195

\[ {}y^{\prime \prime }-y^{\prime } x -y x = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.265

9196

\[ {}y^{\prime \prime }-y^{\prime } x -y x = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.270

9197

\[ {}x y^{\prime \prime }+2 y^{\prime }+y x = 0 \]

[_Lienard]

0.162

9198

\[ {}2 x^{2} y^{\prime \prime }+3 y^{\prime } x -y x = 0 \]

[[_Emden, _Fowler]]

0.223

9199

\[ {}x^{2} y^{\prime \prime }+\left (3 x^{2}+2 x \right ) y^{\prime }-2 y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.269

9200

\[ {}2 x^{2} \left (x^{2}+x +1\right ) y^{\prime \prime }+x \left (11 x^{2}+11 x +9\right ) y^{\prime }+\left (7 x^{2}+10 x +6\right ) y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

1.076