2.2.62 Problems 6101 to 6200

Table 2.125: Main lookup table. Sorted sequentially by problem number.

#

ODE

CAS classification

Solved?

time (sec)

6101

\[ {}\left (y+1\right ) y^{\prime } = y \]
i.c.

[_quadrature]

1.354

6102

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

[_separable]

1.399

6103

\[ {}2 y^{\prime } = 3 \left (y-2\right )^{{1}/{3}} \]
i.c.

[_quadrature]

1.418

6104

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

[_separable]

1.836

6105

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

[[_linear, ‘class A‘]]

0.170

6106

\[ {}x^{2} y^{\prime }+3 x y = 1 \]

[_linear]

0.145

6107

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

[_linear]

0.181

6108

\[ {}2 x y^{\prime }+y = 2 x^{{5}/{2}} \]

[_linear]

0.159

6109

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

[_linear]

0.301

6110

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

[_linear]

0.189

6111

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

[_linear]

0.192

6112

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

[_linear]

0.171

6113

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

[_linear]

0.204

6114

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

[_linear]

0.220

6115

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

[_linear]

0.245

6116

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

[_linear]

0.199

6117

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

[[_linear, ‘class A‘]]

0.175

6118

\[ {}x^{\prime } = \frac {3 y^{{2}/{3}}-x}{3 y} \]

[_linear]

0.148

6119

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

[_Bernoulli]

1.295

6120

\[ {}y^{\prime }+\frac {y}{x} = 2 x^{{3}/{2}} \sqrt {y} \]

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

7.948

6121

\[ {}3 x y^{2} y^{\prime }+3 y^{3} = 1 \]

[_separable]

2.642

6122

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

[_exact]

1.668

6123

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

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

2.561

6124

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

unknown

41.030

6125

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

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

1.828

6126

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

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

5.558

6127

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

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

2.941

6128

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

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

3.089

6129

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

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

2.361

6130

\[ {}y^{\prime } = \frac {y}{x}-\tan \left (\frac {y}{x}\right ) \]

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

3.541

6131

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

[_linear]

2.521

6132

\[ {}y^{\prime } = x y^{2}-\frac {2 y}{x}-\frac {1}{x^{3}} \]

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

1.648

6133

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

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

1.601

6134

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

[[_1st_order, _with_linear_symmetries], _Riccati]

1.270

6135

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

[[_2nd_order, _missing_x]]

0.823

6136

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

[[_2nd_order, _missing_x]]

0.844

6137

\[ {}y^{\prime \prime }+9 y^{\prime } = 0 \]

[[_2nd_order, _missing_x]]

1.384

6138

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

[[_2nd_order, _missing_x]]

1.247

6139

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

[[_2nd_order, _missing_x]]

1.979

6140

\[ {}y^{\prime \prime }+16 y = 0 \]

[[_2nd_order, _missing_x]]

1.984

6141

\[ {}y^{\prime \prime }-5 y^{\prime }+6 y = 0 \]

[[_2nd_order, _missing_x]]

0.813

6142

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

[[_2nd_order, _missing_x]]

1.356

6143

\[ {}y^{\prime \prime }-4 y^{\prime }+13 y = 0 \]

[[_2nd_order, _missing_x]]

1.867

6144

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

[[_2nd_order, _missing_x]]

0.821

6145

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

[[_2nd_order, _missing_x]]

0.684

6146

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

[[_2nd_order, _missing_x]]

0.680

6147

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

[[_3rd_order, _missing_x]]

0.075

6148

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

[[_3rd_order, _missing_x]]

0.066

6149

\[ {}y^{\prime \prime \prime }+3 y^{\prime \prime }-9 y^{\prime }-5 y = 0 \]

[[_3rd_order, _missing_x]]

0.124

6150

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

[[_high_order, _missing_x]]

0.079

6151

\[ {}y^{\prime \prime }-4 y^{\prime } = 10 \]

[[_2nd_order, _missing_x]]

1.535

6152

\[ {}y^{\prime \prime }-4 y^{\prime }+4 y = 16 \]

[[_2nd_order, _missing_x]]

1.006

6153

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

[[_2nd_order, _with_linear_symmetries]]

1.029

6154

\[ {}y^{\prime \prime }-2 y^{\prime }-3 y = 24 \,{\mathrm e}^{-3 x} \]

[[_2nd_order, _with_linear_symmetries]]

1.112

6155

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

[[_2nd_order, _with_linear_symmetries]]

1.873

6156

\[ {}y^{\prime \prime }+6 y^{\prime }+9 y = 12 \,{\mathrm e}^{-x} \]

[[_2nd_order, _with_linear_symmetries]]

1.049

6157

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

[[_2nd_order, _with_linear_symmetries]]

1.114

6158

\[ {}y^{\prime \prime }-16 y = 40 \,{\mathrm e}^{4 x} \]

[[_2nd_order, _with_linear_symmetries]]

1.151

6159

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

[[_2nd_order, _with_linear_symmetries]]

1.011

6160

\[ {}y^{\prime \prime }-6 y^{\prime }+9 y = 6 \,{\mathrm e}^{3 x} \]

[[_2nd_order, _with_linear_symmetries]]

1.024

6161

\[ {}y^{\prime \prime }+2 y^{\prime }+10 y = 100 \cos \left (4 x \right ) \]

[[_2nd_order, _linear, _nonhomogeneous]]

71.672

6162

\[ {}y^{\prime \prime }+4 y^{\prime }+12 y = 80 \sin \left (2 x \right ) \]

[[_2nd_order, _linear, _nonhomogeneous]]

74.471

6163

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

[[_2nd_order, _linear, _nonhomogeneous]]

1.321

6164

\[ {}y^{\prime \prime }+8 y^{\prime }+25 y = 120 \sin \left (5 x \right ) \]

[[_2nd_order, _linear, _nonhomogeneous]]

72.868

6165

\[ {}5 y^{\prime \prime }+12 y^{\prime }+20 y = 120 \sin \left (2 x \right ) \]

[[_2nd_order, _linear, _nonhomogeneous]]

48.160

6166

\[ {}y^{\prime \prime }+9 y = 30 \sin \left (3 x \right ) \]

[[_2nd_order, _linear, _nonhomogeneous]]

3.642

6167

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

[[_2nd_order, _linear, _nonhomogeneous]]

3.705

6168

\[ {}y^{\prime \prime }+2 y^{\prime }+17 y = 60 \,{\mathrm e}^{-4 x} \sin \left (5 x \right ) \]

[[_2nd_order, _linear, _nonhomogeneous]]

73.134

6169

\[ {}4 y^{\prime \prime }+4 y^{\prime }+5 y = 40 \,{\mathrm e}^{-\frac {3 x}{2}} \sin \left (2 x \right ) \]

[[_2nd_order, _linear, _nonhomogeneous]]

9.697

6170

\[ {}y^{\prime \prime }+4 y^{\prime }+8 y = 30 \,{\mathrm e}^{-\frac {x}{2}} \cos \left (\frac {5 x}{2}\right ) \]

[[_2nd_order, _linear, _nonhomogeneous]]

39.625

6171

\[ {}5 y^{\prime \prime }+6 y^{\prime }+2 y = x^{2}+6 x \]

[[_2nd_order, _with_linear_symmetries]]

39.829

6172

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

[[_2nd_order, _missing_y]]

1.601

6173

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

[[_2nd_order, _linear, _nonhomogeneous]]

1.852

6174

\[ {}y^{\prime \prime }-6 y^{\prime }+9 y = 12 x \,{\mathrm e}^{3 x} \]

[[_2nd_order, _linear, _nonhomogeneous]]

1.044

6175

\[ {}y^{\prime \prime }-2 y^{\prime }-3 y = 16 x^{2} {\mathrm e}^{-x} \]

[[_2nd_order, _linear, _nonhomogeneous]]

1.136

6176

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

[[_2nd_order, _linear, _nonhomogeneous]]

3.253

6177

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

[[_2nd_order, _linear, _nonhomogeneous]]

5.299

6178

\[ {}y^{\prime \prime }-5 y^{\prime }+6 y = 2 \,{\mathrm e}^{x}+6 x -5 \]

[[_2nd_order, _with_linear_symmetries]]

1.183

6179

\[ {}y^{\prime \prime }-y = \sinh \left (x \right ) \]

[[_2nd_order, _linear, _nonhomogeneous]]

2.447

6180

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

[[_2nd_order, _linear, _nonhomogeneous]]

3.229

6181

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

[[_2nd_order, _linear, _nonhomogeneous]]

1.263

6182

\[ {}y^{\prime \prime }-2 y^{\prime } = 9 x \,{\mathrm e}^{-x}-6 x^{2}+4 \,{\mathrm e}^{2 x} \]

[[_2nd_order, _missing_y]]

2.028

6183

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

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

0.825

6184

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

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

0.714

6185

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

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

38.107

6186

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

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

1.167

6187

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

[[_2nd_order, _missing_y]]

0.845

6188

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

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

0.331

6189

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

[[_2nd_order, _missing_y], [_2nd_order, _reducible, _mu_y_y1]]

0.633

6190

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

[[_2nd_order, _missing_x]]

1.000

6191

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

[[_2nd_order, _missing_x], [_2nd_order, _exact, _nonlinear]]

2.216

6192

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

[[_Emden, _Fowler]]

1.148

6193

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

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

1.024

6194

\[ {}x^{2} y^{\prime \prime }+7 x y^{\prime }+9 y = 0 \]

[[_Emden, _Fowler]]

1.138

6195

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

[[_Emden, _Fowler]]

2.513

6196

\[ {}x^{2} y^{\prime \prime }+x y^{\prime }-16 y = 8 x^{4} \]

[[_2nd_order, _with_linear_symmetries]]

1.921

6197

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

[[_2nd_order, _exact, _linear, _nonhomogeneous]]

2.268

6198

\[ {}x^{2} y^{\prime \prime }-5 x y^{\prime }+9 y = 2 x^{3} \]

[[_2nd_order, _with_linear_symmetries]]

1.839

6199

\[ {}x^{2} y^{\prime \prime }-3 x y^{\prime }+4 y = 6 x^{2} \ln \left (x \right ) \]

[[_2nd_order, _linear, _nonhomogeneous]]

1.834

6200

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

[[_2nd_order, _with_linear_symmetries]]

1.467