2.2.162 Problems 16101 to 16200

Table 2.325: Main lookup table. Sorted sequentially by problem number.

#

ODE

CAS classification

Solved?

time (sec)

16101

\[ {}y y^{\prime \prime } = {y^{\prime }}^{2} \]

[[_2nd_order, _missing_x], _Liouville, [_2nd_order, _reducible, _mu_x_y1], [_2nd_order, _reducible, _mu_xy]]

0.228

16102

\[ {}y^{\prime \prime } = 2 y y^{\prime } \]
i.c.

[[_2nd_order, _missing_x], [_2nd_order, _exact, _nonlinear], _Lagerstrom, [_2nd_order, _reducible, _mu_x_y1], [_2nd_order, _reducible, _mu_xy]]

0.768

16103

\[ {}3 y^{\prime } y^{\prime \prime } = 2 y \]
i.c.

[[_2nd_order, _missing_x], [_2nd_order, _reducible, _mu_x_y1]]

1.683

16104

\[ {}2 y^{\prime \prime } = 3 y^{2} \]
i.c.

[[_2nd_order, _missing_x], [_2nd_order, _reducible, _mu_x_y1]]

1.745

16105

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

[[_2nd_order, _missing_x], [_2nd_order, _exact, _nonlinear], _Liouville, [_2nd_order, _reducible, _mu_x_y1], [_2nd_order, _reducible, _mu_xy]]

0.364

16106

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

[[_2nd_order, _missing_x], [_2nd_order, _reducible, _mu_x_y1], [_2nd_order, _reducible, _mu_xy]]

0.257

16107

\[ {}y y^{\prime \prime } = 1+{y^{\prime }}^{2} \]

[[_2nd_order, _missing_x], [_2nd_order, _reducible, _mu_x_y1]]

2.979

16108

\[ {}2 y y^{\prime \prime } = 1+{y^{\prime }}^{2} \]

[[_2nd_order, _missing_x], [_2nd_order, _reducible, _mu_x_y1]]

1.108

16109

\[ {}y^{3} y^{\prime \prime } = -1 \]
i.c.

[[_2nd_order, _missing_x], [_2nd_order, _reducible, _mu_x_y1]]

1.727

16110

\[ {}y y^{\prime \prime }-{y^{\prime }}^{2} = y^{2} y^{\prime } \]

[[_2nd_order, _missing_x], [_2nd_order, _with_potential_symmetries], [_2nd_order, _reducible, _mu_xy]]

0.449

16111

\[ {}y^{\prime \prime } = {\mathrm e}^{2 y} \]
i.c.

[[_2nd_order, _missing_x], [_2nd_order, _reducible, _mu_x_y1]]

25.657

16112

\[ {}2 y y^{\prime \prime }-3 {y^{\prime }}^{2} = 4 y^{2} \]

[[_2nd_order, _missing_x], [_2nd_order, _reducible, _mu_xy]]

5.275

16113

\[ {}y^{\prime \prime \prime } = 3 y y^{\prime } \]
i.c.

[[_3rd_order, _missing_x], [_3rd_order, _exact, _nonlinear], [_3rd_order, _with_linear_symmetries], [_3rd_order, _reducible, _mu_y2]]

0.052

16114

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

[[_2nd_order, _missing_x]]

1.879

16115

\[ {}3 y^{\prime \prime }-2 y^{\prime }-8 y = 0 \]

[[_2nd_order, _missing_x]]

0.815

16116

\[ {}y^{\prime \prime \prime }-3 y^{\prime \prime }+3 y^{\prime }-y = 0 \]
i.c.

[[_3rd_order, _missing_x]]

0.122

16117

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

[[_2nd_order, _missing_x]]

0.752

16118

\[ {}y^{\prime \prime }-4 y^{\prime }+3 y = 0 \]
i.c.

[[_2nd_order, _missing_x]]

1.009

16119

\[ {}y^{\prime \prime \prime }+6 y^{\prime \prime }+11 y^{\prime }+6 y = 0 \]

[[_3rd_order, _missing_x]]

0.068

16120

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

[[_2nd_order, _missing_x]]

0.946

16121

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

[[_high_order, _missing_x]]

0.067

16122

\[ {}4 y^{\prime \prime }-8 y^{\prime }+5 y = 0 \]

[[_2nd_order, _missing_x]]

1.381

16123

\[ {}y^{\prime \prime \prime }-8 y = 0 \]

[[_3rd_order, _missing_x]]

0.069

16124

\[ {}y^{\prime \prime \prime \prime }+4 y^{\prime \prime \prime }+10 y^{\prime \prime }+12 y^{\prime }+5 y = 0 \]

[[_high_order, _missing_x]]

0.074

16125

\[ {}y^{\prime \prime }-2 y^{\prime }+2 y = 0 \]
i.c.

[[_2nd_order, _missing_x]]

1.368

16126

\[ {}y^{\prime \prime }-2 y^{\prime }+3 y = 0 \]
i.c.

[[_2nd_order, _missing_x]]

2.140

16127

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

[[_high_order, _missing_x]]

0.074

16128

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

[[_high_order, _missing_x]]

0.076

16129

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

[[_3rd_order, _missing_x]]

0.066

16130

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

[[_3rd_order, _missing_x]]

0.063

16131

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

[[_high_order, _missing_x]]

0.066

16132

\[ {}y^{\left (5\right )} = 0 \]

[[_high_order, _quadrature]]

0.038

16133

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

[[_3rd_order, _missing_x]]

0.069

16134

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

[[_3rd_order, _missing_x]]

0.059

16135

\[ {}y^{\prime \prime \prime }+y^{\prime \prime } = 0 \]
i.c.

[[_3rd_order, _missing_x]]

0.114

16136

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

[[_2nd_order, _missing_x]]

1.514

16137

\[ {}y^{\prime \prime }-7 y^{\prime } = \left (x -1\right )^{2} \]

[[_2nd_order, _missing_y]]

1.641

16138

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

[[_2nd_order, _missing_y]]

1.381

16139

\[ {}y^{\prime \prime }+7 y^{\prime } = {\mathrm e}^{-7 x} \]

[[_2nd_order, _missing_y]]

1.433

16140

\[ {}y^{\prime \prime }-8 y^{\prime }+16 y = \left (1-x \right ) {\mathrm e}^{4 x} \]

[[_2nd_order, _linear, _nonhomogeneous]]

1.020

16141

\[ {}y^{\prime \prime }-10 y^{\prime }+25 y = {\mathrm e}^{5 x} \]

[[_2nd_order, _with_linear_symmetries]]

0.982

16142

\[ {}4 y^{\prime \prime }-3 y^{\prime } = x \,{\mathrm e}^{\frac {3 x}{4}} \]

[[_2nd_order, _missing_y]]

1.563

16143

\[ {}y^{\prime \prime }-4 y^{\prime } = x \,{\mathrm e}^{4 x} \]

[[_2nd_order, _missing_y]]

1.512

16144

\[ {}y^{\prime \prime }+25 y = \cos \left (5 x \right ) \]

[[_2nd_order, _linear, _nonhomogeneous]]

2.945

16145

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

[[_2nd_order, _linear, _nonhomogeneous]]

2.415

16146

\[ {}y^{\prime \prime }+16 y = \sin \left (4 x +\alpha \right ) \]

[[_2nd_order, _linear, _nonhomogeneous]]

4.039

16147

\[ {}y^{\prime \prime }+4 y^{\prime }+8 y = {\mathrm e}^{2 x} \left (\sin \left (2 x \right )+\cos \left (2 x \right )\right ) \]

[[_2nd_order, _linear, _nonhomogeneous]]

9.505

16148

\[ {}y^{\prime \prime }-4 y^{\prime }+8 y = {\mathrm e}^{2 x} \left (\sin \left (2 x \right )-\cos \left (2 x \right )\right ) \]

[[_2nd_order, _linear, _nonhomogeneous]]

15.755

16149

\[ {}y^{\prime \prime }+6 y^{\prime }+13 y = {\mathrm e}^{-3 x} \cos \left (2 x \right ) \]

[[_2nd_order, _linear, _nonhomogeneous]]

12.267

16150

\[ {}y^{\prime \prime }+k^{2} y = k \sin \left (k x +\alpha \right ) \]

[[_2nd_order, _linear, _nonhomogeneous]]

2.506

16151

\[ {}y^{\prime \prime }+k^{2} y = k \]

[[_2nd_order, _missing_x]]

1.792

16152

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

[[_3rd_order, _with_linear_symmetries]]

0.114

16153

\[ {}y^{\prime \prime \prime }+6 y^{\prime \prime }+11 y^{\prime }+6 y = 1 \]

[[_3rd_order, _missing_x]]

0.105

16154

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

[[_3rd_order, _missing_x]]

0.093

16155

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

[[_3rd_order, _missing_x]]

0.104

16156

\[ {}y^{\prime \prime \prime \prime }-y = 1 \]

[[_high_order, _missing_x]]

0.109

16157

\[ {}y^{\prime \prime \prime \prime }-y^{\prime } = 2 \]

[[_high_order, _missing_x]]

0.110

16158

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

[[_high_order, _missing_x]]

0.101

16159

\[ {}y^{\prime \prime \prime \prime }-y^{\prime \prime \prime } = 4 \]

[[_high_order, _missing_x]]

0.102

16160

\[ {}y^{\prime \prime \prime \prime }+4 y^{\prime \prime \prime }+4 y^{\prime \prime } = 1 \]

[[_high_order, _missing_x]]

0.118

16161

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

[[_high_order, _missing_y]]

0.118

16162

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

[[_high_order, _missing_y]]

0.135

16163

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

[[_high_order, _missing_y]]

0.141

16164

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

[[_high_order, _linear, _nonhomogeneous]]

0.162

16165

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

[[_high_order, _linear, _nonhomogeneous]]

0.157

16166

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

[[_high_order, _linear, _nonhomogeneous]]

0.193

16167

\[ {}y^{\prime \prime \prime \prime }+2 n^{2} y^{\prime \prime }+n^{4} y = a \sin \left (n x +\alpha \right ) \]

[[_high_order, _linear, _nonhomogeneous]]

1.203

16168

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

[[_high_order, _linear, _nonhomogeneous]]

0.175

16169

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

[[_high_order, _linear, _nonhomogeneous]]

0.138

16170

\[ {}y^{\prime \prime \prime \prime }-4 y^{\prime \prime \prime }+6 y^{\prime \prime }-4 y^{\prime }+y = {\mathrm e}^{x} \]

[[_high_order, _with_linear_symmetries]]

0.130

16171

\[ {}y^{\prime \prime \prime \prime }-4 y^{\prime \prime \prime }+6 y^{\prime \prime }-4 y^{\prime }+y = x \,{\mathrm e}^{x} \]

[[_high_order, _linear, _nonhomogeneous]]

0.151

16172

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

[[_2nd_order, _missing_x]]

0.944

16173

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

[[_2nd_order, _missing_x]]

1.581

16174

\[ {}y^{\prime \prime }+9 y = 9 \]

[[_2nd_order, _missing_x]]

2.158

16175

\[ {}y^{\prime \prime \prime }+y^{\prime \prime } = 1 \]

[[_3rd_order, _missing_x]]

0.099

16176

\[ {}5 y^{\prime \prime \prime }-7 y^{\prime \prime } = 3 \]

[[_3rd_order, _missing_x]]

0.098

16177

\[ {}y^{\prime \prime \prime \prime }-6 y^{\prime \prime \prime } = -6 \]

[[_high_order, _missing_x]]

0.105

16178

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

[[_high_order, _missing_x]]

0.102

16179

\[ {}y^{\prime \prime \prime \prime }-2 y^{\prime \prime \prime }+2 y^{\prime \prime }-2 y^{\prime }+y = 1 \]

[[_high_order, _missing_x]]

0.109

16180

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

[[_2nd_order, _with_linear_symmetries]]

1.039

16181

\[ {}y^{\prime \prime }+8 y^{\prime } = 8 x \]

[[_2nd_order, _missing_y]]

1.534

16182

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

[[_2nd_order, _with_linear_symmetries]]

0.896

16183

\[ {}y^{\prime \prime }+4 y^{\prime }+4 y = 8 \,{\mathrm e}^{-2 x} \]

[[_2nd_order, _with_linear_symmetries]]

0.999

16184

\[ {}y^{\prime \prime }+4 y^{\prime }+3 y = 9 \,{\mathrm e}^{-3 x} \]

[[_2nd_order, _with_linear_symmetries]]

0.985

16185

\[ {}7 y^{\prime \prime }-y^{\prime } = 14 x \]

[[_2nd_order, _missing_y]]

1.492

16186

\[ {}y^{\prime \prime }+3 y^{\prime } = 3 x \,{\mathrm e}^{-3 x} \]

[[_2nd_order, _missing_y]]

1.605

16187

\[ {}y^{\prime \prime }+5 y^{\prime }+6 y = 10 \left (1-x \right ) {\mathrm e}^{-2 x} \]

[[_2nd_order, _linear, _nonhomogeneous]]

1.076

16188

\[ {}y^{\prime \prime }+2 y^{\prime }+2 y = x +1 \]

[[_2nd_order, _with_linear_symmetries]]

7.319

16189

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

[[_2nd_order, _linear, _nonhomogeneous]]

16.873

16190

\[ {}y^{\prime \prime }+4 y^{\prime }-2 y = 8 \sin \left (2 x \right ) \]

[[_2nd_order, _linear, _nonhomogeneous]]

2.045

16191

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

[[_2nd_order, _linear, _nonhomogeneous]]

2.575

16192

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

[[_2nd_order, _linear, _nonhomogeneous]]

1.371

16193

\[ {}y^{\prime \prime }+2 y^{\prime }+5 y = {\mathrm e}^{-x} \sin \left (2 x \right ) \]

[[_2nd_order, _linear, _nonhomogeneous]]

15.395

16194

\[ {}y^{\prime \prime }+a^{2} y = 2 \cos \left (m x \right )+3 \sin \left (m x \right ) \]

[[_2nd_order, _linear, _nonhomogeneous]]

2.255

16195

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

[[_2nd_order, _missing_y]]

1.790

16196

\[ {}y^{\prime \prime }+2 y^{\prime } = 4 \,{\mathrm e}^{x} \left (\sin \left (x \right )+\cos \left (x \right )\right ) \]

[[_2nd_order, _missing_y]]

2.227

16197

\[ {}y^{\prime \prime }+4 y^{\prime }+5 y = 10 \,{\mathrm e}^{-2 x} \cos \left (x \right ) \]

[[_2nd_order, _linear, _nonhomogeneous]]

5.429

16198

\[ {}4 y^{\prime \prime }+8 y^{\prime } = x \sin \left (x \right ) \]

[[_2nd_order, _missing_y]]

1.876

16199

\[ {}y^{\prime \prime }-3 y^{\prime }+2 y = x \,{\mathrm e}^{x} \]

[[_2nd_order, _linear, _nonhomogeneous]]

1.095

16200

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

[[_2nd_order, _linear, _nonhomogeneous]]

1.103