2.21.2.12 Second order ODE’s solved using reduction of order

These are second order ode’s where one solution is known and reduction of order is used to find the second solution. Number of problems in this table is 160

Column notations: A is ODE degree. B is Program Number of solutions generated. C is CAS Number of solutions generated.

Table 2.604: reduction_of_order

#

ODE

A

B

C

CAS classification

Solved?

Verified?

time (sec)

278

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

1

1

1

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

0.385

279

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

1

1

1

[[_2nd_order, _missing_x]]

0.24

280

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.628

281

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.624

282

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

1

1

1

[_Gegenbauer]

0.609

283

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

1

1

1

[_Gegenbauer]

0.595

284

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.702

669

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

1

1

1

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

0.454

670

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

1

1

1

[[_Emden, _Fowler]]

0.44

671

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

1

1

1

[[_2nd_order, _exact, _linear, _homogeneous]]

0.449

672

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.625

673

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

1

1

1

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

0.77

674

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.718

675

\[ {}x^{2} y^{\prime \prime }-\left (x -\frac {3}{16}\right ) y = 0 \]

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.54

676

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.675

1107

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.781

1108

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

1

1

1

[[_2nd_order, _exact, _linear, _nonhomogeneous]]

0.554

1109

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.571

1110

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

1

1

1

[[_2nd_order, _linear, _nonhomogeneous]]

0.637

1111

\[ {}y^{\prime \prime }-2 y^{\prime }+y = 7 x^{\frac {3}{2}} {\mathrm e}^{x} \]

1

1

1

[[_2nd_order, _linear, _nonhomogeneous]]

0.574

1112

\[ {}4 x^{2} y^{\prime \prime }+\left (-8 x^{2}+4 x \right ) y^{\prime }+\left (4 x^{2}-4 x -1\right ) y = 4 \sqrt {x}\, {\mathrm e}^{x} \left (1+4 x \right ) \]

1

1

1

[[_2nd_order, _linear, _nonhomogeneous]]

0.956

1113

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

1

1

1

[[_2nd_order, _linear, _nonhomogeneous]]

0.749

1114

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

1

1

1

[[_2nd_order, _linear, _nonhomogeneous]]

0.844

1115

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.626

1116

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

1

1

1

[[_2nd_order, _linear, _nonhomogeneous]]

0.883

1117

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

1

1

1

[[_2nd_order, _linear, _nonhomogeneous]]

0.743

1118

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

1

1

1

[[_2nd_order, _linear, _nonhomogeneous]]

0.822

1119

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.649

1120

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

1

1

1

[[_2nd_order, _linear, _nonhomogeneous]]

0.824

1121

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

1

1

1

[[_2nd_order, _linear, _nonhomogeneous]]

0.8

1122

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

1

1

1

[[_2nd_order, _linear, _nonhomogeneous]]

0.828

1123

\[ {}x^{2} y^{\prime \prime }-5 x y^{\prime }+8 y = 4 x^{2} \]

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.666

1124

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.918

1125

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

1

1

1

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

0.554

1126

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.474

1127

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

1

1

1

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

0.699

1128

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.877

1129

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

1

1

1

[[_Emden, _Fowler]]

0.526

1130

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.685

1131

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.882

1132

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.846

1133

\[ {}4 x^{2} y^{\prime \prime }-4 x y^{\prime }+\left (-16 x^{2}+3\right ) y = 0 \]

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.726

1134

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

1.085

1135

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.777

1136

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.668

1137

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

i.c.

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.959

1138

\[ {}\left (3 x -1\right ) y^{\prime \prime }-\left (3 x +2\right ) y^{\prime }-\left (6 x -8\right ) y = 0 \]

i.c.

1

1

1

[[_2nd_order, _with_linear_symmetries]]

1.238

1139

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

i.c.

1

1

1

[[_2nd_order, _linear, _nonhomogeneous]]

1.324

1140

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

i.c.

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.819

1141

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

i.c.

1

1

1

[[_2nd_order, _exact, _linear, _nonhomogeneous]]

1.134

2812

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

1

1

1

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

0.26

2813

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.375

2814

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.418

2815

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

1

1

1

[_Gegenbauer]

0.384

2816

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

1

1

1

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

0.375

2817

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.425

2818

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

1

1

1

[[_2nd_order, _linear, _nonhomogeneous]]

0.385

2819

\[ {}x y^{\prime \prime }-\left (2 x +1\right ) y^{\prime }+2 y = 8 x^{2} {\mathrm e}^{2 x} \]

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.377

2820

\[ {}x^{2} y^{\prime \prime }-3 x y^{\prime }+4 y = 8 x^{4} \]

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.298

2821

\[ {}y^{\prime \prime }-6 y^{\prime }+9 y = 15 \,{\mathrm e}^{3 x} \sqrt {x} \]

1

1

1

[[_2nd_order, _linear, _nonhomogeneous]]

0.332

2822

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

1

1

1

[[_2nd_order, _linear, _nonhomogeneous]]

0.333

2823

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

1

1

1

[[_2nd_order, _linear, _nonhomogeneous]]

0.283

4858

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.415

4859

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.265

4860

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.429

4861

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.51

4862

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

1

1

1

[[_2nd_order, _exact, _linear, _homogeneous]]

0.253

4863

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.448

6009

\[ {}x^{2} y^{\prime \prime }-7 x y^{\prime }+15 y = 0 \]

1

1

1

[[_Emden, _Fowler]]

0.408

6010

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

1

1

1

[[_Emden, _Fowler]]

0.408

6011

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.406

6012

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

1

1

1

[_Laguerre]

0.429

6013

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

1

1

1

[_Gegenbauer]

0.493

6014

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.453

6016

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

1

1

1

[[_2nd_order, _exact, _linear, _homogeneous]]

0.325

6017

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

1

1

1

[[_Emden, _Fowler]]

0.373

6337

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

1

1

1

[[_2nd_order, _missing_x]]

0.414

6338

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

1

1

1

[[_2nd_order, _missing_x]]

0.345

6339

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

1

1

1

[[_2nd_order, _missing_y]]

0.642

6340

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

1

1

1

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

0.668

6341

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

1

1

1

[_Gegenbauer]

1.02

6342

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

1.14

6343

\[ {}y^{\prime \prime }-\frac {x y^{\prime }}{-1+x}+\frac {y}{-1+x} = 0 \]

1

1

1

[[_2nd_order, _with_linear_symmetries]]

1.122

6344

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

1

1

1

[[_Emden, _Fowler]]

0.676

6345

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

1.072

6347

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

1.328

6395

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

1.342

6396

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

1

1

1

[[_2nd_order, _linear, _nonhomogeneous]]

2.286

6397

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

5.068

6398

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

1

1

1

[[_2nd_order, _missing_y]]

26.779

11495

\[ {}x^{\prime \prime }+t x^{\prime }+x = 0 \]

1

1

1

[[_2nd_order, _exact, _linear, _homogeneous]]

0.423

11496

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

1

1

1

[_Hermite]

0.525

11497

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

1

1

1

[[_2nd_order, _missing_x]]

0.214

11498

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.581

11499

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.727

11722

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

1

1

1

[[_Emden, _Fowler]]

0.471

11723

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.588

11724

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

1

1

1

[_Gegenbauer]

0.613

11725

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

1.006

11726

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.685

11727

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.828

12047

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.594

12048

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.615

12049

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

5.856

12050

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.912

12051

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

1

1

1

[_Hermite]

0.515

12052

\[ {}\tan \left (t \right ) x^{\prime \prime }-3 x^{\prime }+\left (\tan \left (t \right )+3 \cot \left (t \right )\right ) x = 0 \]

1

1

1

[[_2nd_order, _with_linear_symmetries]]

1.687

12058

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

1

1

1

[[_2nd_order, _linear, _nonhomogeneous]]

4.349

12195

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

1

1

1

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

0.25

12393

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.411

12394

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

1

1

1

[_Lienard]

0.493

13535

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

1

1

1

[[_2nd_order, _missing_x]]

0.22

13536

\[ {}y^{\prime \prime }-10 y^{\prime }+25 y = 0 \]

1

1

1

[[_2nd_order, _missing_x]]

0.215

13537

\[ {}x^{2} y^{\prime \prime }-6 x y^{\prime }+12 y = 0 \]

1

1

1

[[_Emden, _Fowler]]

0.449

13538

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

1

1

1

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

0.421

13539

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

1

1

1

[[_Emden, _Fowler]]

0.337

13540

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.615

13541

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.625

13542

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

1

1

1

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

0.506

13543

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

1

1

1

[[_2nd_order, _missing_x]]

0.251

13544

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

1

1

1

[[_2nd_order, _exact, _linear, _homogeneous]]

0.52

13545

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

1.813

13546

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.589

13547

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

1

1

1

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

0.575

13548

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.577

13549

\[ {}y^{\prime \prime }-4 y^{\prime }+3 y = 9 \,{\mathrm e}^{2 x} \]

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.366

13550

\[ {}y^{\prime \prime }-6 y^{\prime }+8 y = {\mathrm e}^{4 x} \]

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.416

13551

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

1

1

1

[[_2nd_order, _exact, _linear, _nonhomogeneous]]

0.429

13552

\[ {}x^{2} y^{\prime \prime }-20 y = 27 x^{5} \]

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.399

13553

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

1

1

1

[[_2nd_order, _exact, _linear, _nonhomogeneous]]

0.468

13554

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.527

14457

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

1

1

1

[[_2nd_order, _missing_x]]

0.283

14458

\[ {}y^{\prime \prime }+6 y^{\prime }+8 y = 0 \]

1

1

1

[[_2nd_order, _missing_x]]

0.286

14459

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

i.c.

1

1

1

[[_2nd_order, _missing_x]]

0.441

14460

\[ {}y^{\prime \prime }+10 y^{\prime }+25 y = 0 \]

1

1

1

[[_2nd_order, _missing_x]]

0.287

14461

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

i.c.

1

1

1

[[_2nd_order, _missing_x]]

0.563

14462

\[ {}y^{\prime \prime }+49 y = 0 \]

1

1

1

[[_2nd_order, _missing_x]]

0.544

14463

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

1

1

1

[[_Emden, _Fowler]]

0.521

14464

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

1

1

1

[[_Emden, _Fowler]]

0.578

14465

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.758

14466

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

1

1

1

[[_2nd_order, _exact, _linear, _homogeneous]]

0.548

14469

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

1.005

14470

\[ {}t y^{\prime \prime }+2 y^{\prime }+16 t y = 0 \]

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.822

14471

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

1.766

14472

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

i.c.

1

0

0

[[_2nd_order, _with_linear_symmetries]]

N/A

0.922

14627

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.833

14629

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

1

1

1

[_Lienard]

0.618

14631

\[ {}4 t^{2} y^{\prime \prime }+4 t y^{\prime }+\left (16 t^{2}-1\right ) y = 0 \]

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.963

14830

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

1

1

1

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

0.749

14831

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

1

1

1

[_Lienard]

0.674

15407

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.287

15408

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.844

15409

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.562

15410

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

1

1

1

[[_2nd_order, _exact, _linear, _nonhomogeneous]]

0.324

15411

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

1

1

1

[[_2nd_order, _exact, _linear, _nonhomogeneous]]

0.283

15412

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.352

15413

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

1

1

1

[[_2nd_order, _linear, _nonhomogeneous]]

0.536

15414

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

1

1

1

[[_2nd_order, _linear, _nonhomogeneous]]

0.374

15415

\[ {}y^{\prime \prime }-y^{\prime }+y \,{\mathrm e}^{2 x} = {\mathrm e}^{2 x} x -1 \]

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.623

15416

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.359