2.2.112 Problems 11101 to 11200

Table 2.225: Main lookup table. Sorted sequentially by problem number.

#

ODE

CAS classification

Solved?

time (sec)

11101

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

[[_2nd_order, _with_linear_symmetries]]

0.945

11102

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

[[_2nd_order, _with_linear_symmetries]]

0.622

11103

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

[[_Emden, _Fowler]]

0.835

11104

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

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

1.634

11105

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

[[_2nd_order, _with_linear_symmetries]]

0.470

11106

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

[[_2nd_order, _linear, _nonhomogeneous]]

1.904

11107

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

[[_2nd_order, _with_linear_symmetries]]

3.150

11108

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

[[_Emden, _Fowler]]

0.830

11109

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

[[_Emden, _Fowler]]

0.863

11110

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

[[_Emden, _Fowler]]

1.013

11111

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

[[_2nd_order, _with_linear_symmetries]]

1.139

11112

\[ {}x y^{\prime \prime }+a y^{\prime }+b \,x^{\operatorname {a1}} y = 0 \]

[[_Emden, _Fowler]]

1.226

11113

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

[[_2nd_order, _with_linear_symmetries]]

0.875

11114

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

[[_2nd_order, _with_linear_symmetries]]

0.998

11115

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

[[_2nd_order, _exact, _linear, _nonhomogeneous]]

1.259

11116

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

[_Laguerre]

0.489

11117

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

[_Laguerre]

1.065

11118

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

[[_2nd_order, _with_linear_symmetries]]

1.030

11119

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

[_Laguerre]

0.854

11120

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

[[_2nd_order, _with_linear_symmetries]]

0.542

11121

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

[[_2nd_order, _with_linear_symmetries]]

0.609

11122

\[ {}x y^{\prime \prime }+\left (a x +b +n \right ) y^{\prime }+n a y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

1.110

11123

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

[[_2nd_order, _with_linear_symmetries]]

1.181

11124

\[ {}x y^{\prime \prime }+\left (\left (a +b \right ) x +m +n \right ) y^{\prime }+\left (a b x +a n +b m \right ) y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

1.437

11125

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

[[_2nd_order, _with_linear_symmetries]]

1.210

11126

\[ {}x y^{\prime \prime }+\left (a x +b \right ) y^{\prime }+\left (c x +d \right ) y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

1.887

11127

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

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

1.453

11128

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

[[_2nd_order, _with_linear_symmetries]]

1.317

11129

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

[[_2nd_order, _with_linear_symmetries]]

2.370

11130

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

[[_2nd_order, _with_linear_symmetries]]

1.046

11131

\[ {}x y^{\prime \prime }+\left (4 x^{2}-1\right ) y^{\prime }-4 x^{3} y-4 x^{5} = 0 \]

[[_2nd_order, _linear, _nonhomogeneous]]

2.145

11132

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

[[_2nd_order, _with_linear_symmetries]]

1.088

11133

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

[[_2nd_order, _with_linear_symmetries]]

1.286

11134

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

[[_2nd_order, _with_linear_symmetries]]

0.894

11135

\[ {}\left (x -3\right ) y^{\prime \prime }-\left (4 x -9\right ) y^{\prime }+\left (3 x -6\right ) y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

1.168

11136

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

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

1.676

11137

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

[[_2nd_order, _with_linear_symmetries]]

0.661

11138

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

[_Laguerre]

0.659

11139

\[ {}\left (2 x -1\right ) y^{\prime \prime }-\left (3 x -4\right ) y^{\prime }+\left (x -3\right ) y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

2.194

11140

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

[[_2nd_order, _with_linear_symmetries]]

0.408

11141

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

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

1.239

11142

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

[[_2nd_order, _with_linear_symmetries]]

0.976

11143

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

[[_2nd_order, _with_linear_symmetries]]

0.482

11144

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

[[_2nd_order, _with_linear_symmetries]]

0.779

11145

\[ {}16 x y^{\prime \prime }+8 y^{\prime }-\left (x +a \right ) y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.602

11146

\[ {}a x y^{\prime \prime }+b y^{\prime }+c y = 0 \]

[[_Emden, _Fowler]]

1.114

11147

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

[[_2nd_order, _with_linear_symmetries]]

1.320

11148

\[ {}5 \left (a x +b \right ) y^{\prime \prime }+8 a y^{\prime }+c \left (a x +b \right )^{{1}/{5}} y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.823

11149

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

[[_2nd_order, _with_linear_symmetries]]

0.878

11150

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

[[_2nd_order, _with_linear_symmetries]]

0.896

11151

\[ {}\left (\operatorname {a2} x +\operatorname {b2} \right ) y^{\prime \prime }+\left (\operatorname {a1} x +\operatorname {b1} \right ) y^{\prime }+\left (\operatorname {a0} x +\operatorname {b0} \right ) y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

6.312

11152

\[ {}x^{2} y^{\prime \prime }-6 y = 0 \]

[[_Emden, _Fowler]]

0.699

11153

\[ {}x^{2} y^{\prime \prime }-12 y = 0 \]

[[_Emden, _Fowler]]

0.707

11154

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

[[_Emden, _Fowler]]

1.122

11155

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

[[_2nd_order, _with_linear_symmetries]]

0.812

11156

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

[[_2nd_order, _with_linear_symmetries]]

1.731

11157

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

[[_2nd_order, _with_linear_symmetries]]

4.839

11158

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

[[_2nd_order, _with_linear_symmetries]]

3.947

11159

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

[[_2nd_order, _with_linear_symmetries]]

1.071

11160

\[ {}x^{2} y^{\prime \prime }+\left (a \,x^{2}+b x +c \right ) y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.632

11161

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

[[_2nd_order, _with_linear_symmetries]]

1.017

11162

\[ {}x^{2} y^{\prime \prime }+\frac {y}{\ln \left (x \right )}-x \,{\mathrm e}^{x} \left (2+x \ln \left (x \right )\right ) = 0 \]

[[_2nd_order, _linear, _nonhomogeneous]]

0.269

11163

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

[[_2nd_order, _with_linear_symmetries]]

0.395

11164

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

[[_2nd_order, _with_linear_symmetries]]

1.617

11165

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

[[_2nd_order, _exact, _linear, _nonhomogeneous]]

1.744

11166

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

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

1.486

11167

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

[[_2nd_order, _with_linear_symmetries]]

0.888

11168

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

[_Bessel]

1.065

11169

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

[[_2nd_order, _linear, _nonhomogeneous]]

1.069

11170

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

[[_2nd_order, _with_linear_symmetries]]

1.019

11171

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

[[_2nd_order, _exact, _linear, _homogeneous]]

1.433

11172

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

[[_2nd_order, _with_linear_symmetries]]

1.777

11173

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

[[_2nd_order, _with_linear_symmetries]]

0.958

11174

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

[[_2nd_order, _missing_y]]

0.783

11175

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

[[_2nd_order, _with_linear_symmetries]]

0.964

11176

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

[[_2nd_order, _with_linear_symmetries]]

1.045

11177

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

[[_2nd_order, _with_linear_symmetries]]

0.827

11178

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

[[_2nd_order, _with_linear_symmetries]]

0.586

11179

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

[[_2nd_order, _with_linear_symmetries]]

0.734

11180

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

[[_2nd_order, _with_linear_symmetries]]

2.138

11181

\[ {}x^{2} y^{\prime \prime }-2 y^{\prime } x -4 y-x \sin \left (x \right )-\left (a \,x^{2}+12 a +4\right ) \cos \left (x \right ) = 0 \]

[[_2nd_order, _exact, _linear, _nonhomogeneous]]

2.804

11182

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

[[_2nd_order, _with_linear_symmetries]]

1.514

11183

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

[[_2nd_order, _linear, _nonhomogeneous]]

1.299

11184

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

[[_2nd_order, _linear, _nonhomogeneous]]

4.071

11185

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

[[_2nd_order, _with_linear_symmetries]]

2.661

11186

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

[[_2nd_order, _linear, _nonhomogeneous]]

1.050

11187

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

[[_2nd_order, _exact, _linear, _homogeneous]]

1.381

11188

\[ {}x^{2} y^{\prime \prime }-3 y^{\prime } x +4 y-5 x = 0 \]

[[_2nd_order, _with_linear_symmetries]]

1.576

11189

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

[[_2nd_order, _exact, _linear, _nonhomogeneous]]

1.758

11190

\[ {}x^{2} y^{\prime \prime }-4 y^{\prime } x +6 y-x^{4}+x^{2} = 0 \]

[[_2nd_order, _linear, _nonhomogeneous]]

2.000

11191

\[ {}x^{2} y^{\prime \prime }+5 y^{\prime } x -\left (2 x^{3}-4\right ) y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

1.077

11192

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

[[_2nd_order, _linear, _nonhomogeneous]]

2.379

11193

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

[[_Emden, _Fowler]]

1.824

11194

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

[[_2nd_order, _with_linear_symmetries]]

0.954

11195

\[ {}x^{2} y^{\prime \prime }+a x y^{\prime }+\left (b \,x^{m}+c \right ) y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

1.199

11196

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

[[_2nd_order, _with_linear_symmetries]]

0.620

11197

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

[[_2nd_order, _with_linear_symmetries]]

0.959

11198

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

[[_2nd_order, _with_linear_symmetries]]

1.311

11199

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

[[_2nd_order, _with_linear_symmetries]]

1.117

11200

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

[[_2nd_order, _with_linear_symmetries]]

1.407