2.2.222 Problems 22101 to 22200

Table 2.461: Main lookup table. Sorted sequentially by problem number.

#

ODE

CAS classification

Solved?

Maple

Mma

Sympy

time(sec)

22101

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime }-y&=0 \end {array} \]

[[_2nd_order, _missing_x]]

1.536

22102

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime }-y^{\prime }-30 y&=0 \end {array} \]

[[_2nd_order, _missing_x]]

0.269

22103

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y-2 y^{\prime }+y^{\prime \prime }&=0 \end {array} \]

[[_2nd_order, _missing_x]]

0.386

22104

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime }+y&=0 \end {array} \]

[[_2nd_order, _missing_x]]

2.388

22105

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime }+2 y^{\prime }+2 y&=0 \end {array} \]

[[_2nd_order, _missing_x]]

0.373

22106

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime }-7 y&=0 \end {array} \]

[[_2nd_order, _missing_x]]

4.378

22107

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime }+6 y^{\prime }+9 y&=0 \end {array} \]

[[_2nd_order, _missing_x]]

6.739

22108

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} 3 y+2 y^{\prime }+y^{\prime \prime }&=0 \end {array} \]

[[_2nd_order, _missing_x]]

0.510

22109

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime }-3 y^{\prime }-5 y&=0 \end {array} \]

[[_2nd_order, _missing_x]]

0.449

22110

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime }+y^{\prime }+\frac {y}{4}&=0 \end {array} \]

[[_2nd_order, _missing_x]]

0.344

22111

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime }-6 y^{\prime \prime }+11 y^{\prime }-6 y&=0 \end {array} \]

[[_3rd_order, _missing_x]]

0.109

22112

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime \prime }-9 y^{\prime \prime }+20 y&=0 \end {array} \]

[[_high_order, _missing_x]]

0.110

22113

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime }-5 y&=0 \end {array} \]

[_quadrature]

3.004

22114

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime }-6 y^{\prime \prime }+2 y^{\prime }+36 y&=0 \end {array} \]

[[_3rd_order, _missing_x]]

0.132

22115

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime \prime }-4 y^{\prime \prime \prime }+7 y^{\prime \prime }-4 y^{\prime }+6 y&=0 \end {array} \]

[[_high_order, _missing_x]]

0.131

22116

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime \prime }+8 y^{\prime \prime \prime }+24 y^{\prime \prime }+32 y^{\prime }+16 y&=0 \end {array} \]

[[_high_order, _missing_x]]

0.113

22117

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\left (5\right )}-y^{\prime \prime \prime \prime }-2 y^{\prime \prime \prime }+2 y^{\prime \prime }+y^{\prime }-y&=0 \end {array} \]

[[_high_order, _missing_x]]

0.139

22118

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime \prime }-8 y^{\prime \prime \prime }+32 y^{\prime \prime }-64 y^{\prime }+64 y&=0 \end {array} \]

[[_high_order, _missing_x]]

0.158

22119

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\left (6\right )}-5 y^{\prime \prime \prime \prime }+16 y^{\prime \prime \prime }-16 y^{\prime }-32 y&=0 \end {array} \]

[[_high_order, _missing_x]]

0.196

22120

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} 2 y-y^{\prime }-2 y^{\prime \prime }+y^{\prime \prime \prime }&=0 \end {array} \]

[[_3rd_order, _missing_x]]

0.128

22121

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime }-y^{\prime \prime }-y^{\prime }+y&=0 \end {array} \]

[[_3rd_order, _missing_x]]

0.111

22122

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime }-3 y^{\prime \prime }+3 y^{\prime }-y&=0 \end {array} \]

[[_3rd_order, _missing_x]]

0.113

22123

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime }-y^{\prime \prime }+y^{\prime }-y&=0 \end {array} \]

[[_3rd_order, _missing_x]]

0.125

22124

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y+2 y^{\prime \prime }+y^{\prime \prime \prime \prime }&=0 \end {array} \]

[[_high_order, _missing_x]]

0.143

22125

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} -y-2 y^{\prime }+2 y^{\prime \prime \prime }+y^{\prime \prime \prime \prime }&=0 \end {array} \]

[[_high_order, _missing_x]]

0.137

22126

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime \prime }-2 y^{\prime \prime }+16 y^{\prime }+32 y&=0 \end {array} \]

[[_high_order, _missing_x]]

0.184

22127

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime \prime }+5 y^{\prime \prime \prime }&=0 \end {array} \]

[[_high_order, _missing_x]]

0.121

22128

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime \prime }+2 y^{\prime \prime \prime }+3 y^{\prime \prime }+2 y^{\prime }+y&=0 \end {array} \]

[[_high_order, _missing_x]]

0.168

22129

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime }-y^{\prime }-2 y&=4 x^{2} \end {array} \]

[[_2nd_order, _with_linear_symmetries]]

0.490

22130

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime }-y^{\prime }-2 y&={\mathrm e}^{3 x} \end {array} \]

[[_2nd_order, _with_linear_symmetries]]

0.475

22131

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime }-y^{\prime }-2 y&=\sin \left (2 x \right ) \end {array} \]

[[_2nd_order, _linear, _nonhomogeneous]]

0.575

22132

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime }-6 y^{\prime \prime }+11 y^{\prime }-6 y&=2 x \,{\mathrm e}^{-x} \end {array} \]

[[_3rd_order, _linear, _nonhomogeneous]]

0.281

22133

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime }&=9 x^{2}+2 x -1 \end {array} \]

[[_2nd_order, _quadrature]]

1.430

22134

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime }-5 y&=2 \,{\mathrm e}^{x} \end {array} \]

[[_linear, ‘class A‘]]

4.589

22135

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime }-5 y&=\left (-1+x \right ) \sin \left (x \right )+\left (x +1\right ) \cos \left (x \right ) \end {array} \]

[[_linear, ‘class A‘]]

5.269

22136

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime }-5 y&=3 \,{\mathrm e}^{x}-2 x +1 \end {array} \]

[[_linear, ‘class A‘]]

6.030

22137

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime }-5 y&={\mathrm e}^{x} x^{2}-x \,{\mathrm e}^{5 x} \end {array} \]

[[_linear, ‘class A‘]]

39.597

22138

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y-2 y^{\prime }+y^{\prime \prime }&=x^{2}-1 \end {array} \]

[[_2nd_order, _with_linear_symmetries]]

0.649

22139

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y-2 y^{\prime }+y^{\prime \prime }&=3 \,{\mathrm e}^{2 x} \end {array} \]

[[_2nd_order, _with_linear_symmetries]]

0.658

22140

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y-2 y^{\prime }+y^{\prime \prime }&=4 \cos \left (x \right ) \end {array} \]

[[_2nd_order, _linear, _nonhomogeneous]]

0.747

22141

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y-2 y^{\prime }+y^{\prime \prime }&=3 \,{\mathrm e}^{x} \end {array} \]

[[_2nd_order, _with_linear_symmetries]]

0.701

22142

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y-2 y^{\prime }+y^{\prime \prime }&=x \,{\mathrm e}^{x} \end {array} \]

[[_2nd_order, _linear, _nonhomogeneous]]

0.734

22143

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime }-y&={\mathrm e}^{x} \end {array} \]

[[_linear, ‘class A‘]]

3.783

22144

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime }-y&=x \,{\mathrm e}^{2 x}+1 \end {array} \]

[[_linear, ‘class A‘]]

4.166

22145

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime }-y&=\sin \left (x \right )+\cos \left (2 x \right ) \end {array} \]

[[_linear, ‘class A‘]]

5.191

22146

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime }-3 y^{\prime \prime }+3 y^{\prime }-y&={\mathrm e}^{x}+1 \end {array} \]

[[_3rd_order, _with_linear_symmetries]]

0.297

22147

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime }+y&=\sec \left (x \right ) \end {array} \]

[[_3rd_order, _linear, _nonhomogeneous]]

2.385

22148

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y-2 y^{\prime }+y^{\prime \prime }&=\frac {{\mathrm e}^{x}}{x} \end {array} \]

[[_2nd_order, _linear, _nonhomogeneous]]

0.657

22149

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime }-y^{\prime }-2 y&={\mathrm e}^{3 x} \end {array} \]

[[_2nd_order, _with_linear_symmetries]]

0.479

22150

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime }+\frac {4 y}{x}&=x^{4} \end {array} \]

[_linear]

11.383

22151

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime \prime }&=5 x \end {array} \]

[[_high_order, _quadrature]]

0.189

22152

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y-2 y^{\prime }+y^{\prime \prime }&=\frac {{\mathrm e}^{x}}{x^{5}} \end {array} \]

[[_2nd_order, _linear, _nonhomogeneous]]

0.674

22153

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime }+y&=\sec \left (x \right ) \end {array} \]

[[_2nd_order, _linear, _nonhomogeneous]]

0.553

22154

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} 4 y+y^{\prime \prime }&=\sin \left (2 x \right )^{2} \end {array} \]

[[_2nd_order, _linear, _nonhomogeneous]]

7.973

22155

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime }-\frac {y}{x}&=x^{2} \end {array} \]

[[_2nd_order, _linear, _nonhomogeneous]]

0.748

22156

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime }+2 y x&=x \end {array} \]

[[_2nd_order, _with_linear_symmetries]]

0.950

22157

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime }&=12 \end {array} \]

[[_3rd_order, _quadrature]]

0.157

22158

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime }-y^{\prime }-2 y&=4 x^{2}\\ y \left (0\right )&=1\\ y^{\prime }\left (0\right )&=4\\ \end {array} \]

[[_2nd_order, _with_linear_symmetries]]

0.811

22159

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y-2 y^{\prime }+y^{\prime \prime }&=\frac {{\mathrm e}^{x}}{x}\\ y \left (1\right )&=0\\ y^{\prime }\left (1\right )&=1\\ \end {array} \]

[[_2nd_order, _linear, _nonhomogeneous]]

1.003

22160

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime }+4 y^{\prime }+8 y&=\sin \left (x \right )\\ y \left (0\right )&=1\\ y^{\prime }\left (0\right )&=0\\ \end {array} \]

[[_2nd_order, _linear, _nonhomogeneous]]

1.352

22161

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime \prime }-6 y^{\prime \prime }+11 y^{\prime }-6 y&=0\\ y \left (\pi \right )&=0\\ y^{\prime }\left (\pi \right )&=0\\ y^{\prime \prime }\left (\pi \right )&=1\\ \end {array} \]

[[_3rd_order, _missing_x]]

0.207

22162

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime }-y^{\prime }-2 y&={\mathrm e}^{3 x}\\ y \left (0\right )&=1\\ y^{\prime }\left (0\right )&=2\\ \end {array} \]

[[_2nd_order, _with_linear_symmetries]]

0.777

22163

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime }-y^{\prime }-2 y&={\mathrm e}^{3 x}\\ y \left (0\right )&=2\\ y^{\prime }\left (0\right )&=1\\ \end {array} \]

[[_2nd_order, _with_linear_symmetries]]

0.725

22164

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime }-y^{\prime }-2 y&=0\\ y \left (0\right )&=2\\ y^{\prime }\left (0\right )&=1\\ \end {array} \]

[[_2nd_order, _missing_x]]

0.487

22165

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime }-y^{\prime }-2 y&={\mathrm e}^{3 x}\\ y \left (1\right )&=2\\ y^{\prime }\left (1\right )&=1\\ \end {array} \]

[[_2nd_order, _with_linear_symmetries]]

0.743

22166

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime }+y&=x\\ y \left (1\right )&=0\\ y^{\prime }\left (1\right )&=1\\ \end {array} \]

[[_2nd_order, _with_linear_symmetries]]

0.822

22167

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} 4 y+y^{\prime \prime }&=\sin \left (2 x \right )^{2}\\ y \left (\pi \right )&=0\\ y^{\prime }\left (\pi \right )&=0\\ \end {array} \]

[[_2nd_order, _linear, _nonhomogeneous]]

1.126

22168

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime }+y&=0\\ y \left (2\right )&=0\\ y^{\prime }\left (2\right )&=0\\ \end {array} \]

[[_2nd_order, _missing_x]]

10.405

22169

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime }+2 y^{\prime }+2 y&=\cos \left (2 x \right )+\sin \left (2 x \right )\\ y \left (0\right )&=0\\ y^{\prime }\left (0\right )&=1\\ \end {array} \]

[[_2nd_order, _linear, _nonhomogeneous]]

1.291

22170

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} \left (x^{2}-4\right ) y^{\prime \prime }+y&=0 \end {array} \]

Series expansion around \(x=1\).

[[_2nd_order, _with_linear_symmetries]]

1.057

22171

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} \left (x^{2}-4\right ) y^{\prime \prime }+y&=0 \end {array} \]

Series expansion around \(x=2\).

[[_2nd_order, _with_linear_symmetries]]

16.095

22172

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} 2 x^{2} y^{\prime \prime }+7 x \left (x +1\right ) y^{\prime }-3 y&=0 \end {array} \]

Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

1.636

22173

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x^{2} y^{\prime \prime }+2 y^{\prime }+y x&=0 \end {array} \]

Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

0.344

22174

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime }+3 y^{\prime }+2 y x&=0 \end {array} \]

Series expansion around \(x=1\).

[[_2nd_order, _with_linear_symmetries]]

1.242

22175

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} \left (x -2\right ) y^{\prime \prime }+3 \left (x^{2}-3 x +2\right ) y^{\prime }+\left (x -2\right )^{2} x y&=0 \end {array} \]

Series expansion around \(x=2\).

[[_2nd_order, _with_linear_symmetries]]

1.283

22176

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} \left (x +1\right ) y^{\prime \prime }+\frac {y^{\prime }}{x}+y x&=0 \end {array} \]

Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

1.488

22177

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} \left (x +1\right ) y^{\prime \prime }+\frac {y^{\prime }}{x}+y x&=0 \end {array} \]

Series expansion around \(x=-1\).

[[_2nd_order, _with_linear_symmetries]]

12.043

22178

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x^{3} y^{\prime \prime }+y&=0 \end {array} \]

Series expansion around \(x=0\).

[[_Emden, _Fowler]]

0.246

22179

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x^{3} y^{\prime \prime }+y x&=0 \end {array} \]

Series expansion around \(x=0\).

[[_Emden, _Fowler]]

0.872

22180

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} {\mathrm e}^{x} y^{\prime \prime }+\sin \left (x \right ) y^{\prime }+y x&=0 \end {array} \]

Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

3.323

22181

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} \left (x +1\right )^{3} y^{\prime \prime }+\left (x^{2}-1\right ) \left (x +1\right ) y^{\prime }+\left (-1+x \right ) y&=0 \end {array} \]

Series expansion around \(x=-1\).

[[_2nd_order, _with_linear_symmetries]]

0.405

22182

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x^{4} \left (x^{2}-4\right ) y^{\prime \prime }+\left (x +1\right ) y^{\prime }+\left (x^{2}-3 x +2\right ) y&=0 \end {array} \]

Series expansion around \(x=2\).

[[_2nd_order, _with_linear_symmetries]]

1.988

22183

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} 2 y-y^{\prime } x +y^{\prime \prime }&=0 \end {array} \]

Series expansion around \(x=0\).

[_Hermite]

0.702

22184

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime }+y&=0 \end {array} \]

Series expansion around \(x=0\).

[[_2nd_order, _missing_x]]

0.620

22185

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime }-\left (x -2\right ) y^{\prime }+2 y&=0 \end {array} \]

Series expansion around \(x=2\).

[[_2nd_order, _with_linear_symmetries]]

0.875

22186

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime }+y^{\prime } x +\left (2 x -1\right ) y&=0 \end {array} \]

Series expansion around \(x=-1\).

[[_2nd_order, _with_linear_symmetries]]

1.240

22187

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime }+y^{\prime } x +\left (2 x -1\right ) y&=0\\ y \left (-1\right )&=2\\ y^{\prime }\left (-1\right )&=-2\\ \end {array} \]

Series expansion around \(x=-1\).

[[_2nd_order, _with_linear_symmetries]]

1.073

22188

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime }-2 y x&=0\\ y \left (2\right )&=1\\ y^{\prime }\left (2\right )&=6\\ \end {array} \]

Series expansion around \(x=2\).

[[_Emden, _Fowler]]

0.888

22189

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime }+y x&=2 \end {array} \]

Series expansion around \(x=0\).

[[_2nd_order, _linear, _nonhomogeneous]]

0.680

22190

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} \left (x^{2}+4\right ) y^{\prime \prime }+y x&=2+x \end {array} \]

Series expansion around \(x=0\).

[[_2nd_order, _linear, _nonhomogeneous]]

6.987

22191

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime }+\left (-1+x \right ) y&={\mathrm e}^{x} \end {array} \]

Series expansion around \(x=1\).

[[_2nd_order, _linear, _nonhomogeneous]]

0.937

22192

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} n \left (n +1\right ) y-2 y^{\prime } x +\left (-x^{2}+1\right ) y^{\prime \prime }&=0 \end {array} \]

Series expansion around \(x=0\).

[_Gegenbauer]

1.306

22193

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} \left (x^{2}-1\right ) y^{\prime \prime }+y^{\prime } x -y&=0 \end {array} \]

Series expansion around \(x=0\).

[[_2nd_order, _exact, _linear, _homogeneous]]

0.944

22194

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime }-y x&=0 \end {array} \]

Series expansion around \(x=0\).

[[_Emden, _Fowler]]

0.691

22195

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime }-y x&=0 \end {array} \]

Series expansion around \(x=1\).

[[_Emden, _Fowler]]

1.176

22196

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime }-x^{2} y^{\prime }+\left (2+x \right ) y&=0 \end {array} \]

Series expansion around \(x=-2\).

[[_2nd_order, _with_linear_symmetries]]

1.303

22197

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} \left (x^{2}+4\right ) y^{\prime \prime }+y&=x \end {array} \]

Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

1.082

22198

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime }-\left (-1+x \right ) y^{\prime }&=x^{2}-2 x \end {array} \]

Series expansion around \(x=1\).

[[_2nd_order, _missing_y]]

0.843

22199

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime }-y^{\prime } x&={\mathrm e}^{-x} \end {array} \]

Series expansion around \(x=0\).

[[_2nd_order, _missing_y]]

0.842

22200

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime }-2 y^{\prime } x +x^{2} y&=0\\ y \left (0\right )&=1\\ y^{\prime }\left (0\right )&=-1\\ \end {array} \]

Series expansion around \(x=0\).

[[_2nd_order, _with_linear_symmetries]]

0.845