2.21.2.30 second_order_ode_non_constant_coeff_transformation_on_B

Given an ode of the form \begin {align*} A y'' + B y' + C y=0 \end {align*}

This method reduces the order ode the ODE by one by applying the transformation \begin {align*} y = B v \end {align*}

See my algorithms chapter for more information. Number of problems in this table is 189

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

Table 2.640: second_order_ode_non_constant_coeff_transformation_on_B

#

ODE

A

B

C

CAS classification

Solved?

Verified?

time (sec)

169

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

i.c.

1

1

1

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

3.006

171

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

i.c.

1

1

1

[[_Emden, _Fowler]]

2.498

183

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

1

1

1

[[_2nd_order, _exact, _linear, _homogeneous]]

2.293

252

\[ {}x^{2} y^{\prime \prime }+x y^{\prime }-y = 72 x^{5} \]

1

1

1

[[_2nd_order, _exact, _linear, _nonhomogeneous]]

3.015

257

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

1.895

649

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

1

1

1

[[_Emden, _Fowler]]

1.738

679

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

1

1

1

[[_Emden, _Fowler]]

2.15

697

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

1.428

698

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

2.265

701

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

2.562

703

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

1.213

704

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

2.074

1096

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

1

1

1

[[_2nd_order, _exact, _linear, _homogeneous]]

3.412

1097

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

1

1

1

[[_Emden, _Fowler]]

2.379

1100

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

2.304

1161

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

1

1

1

[[_2nd_order, _exact, _linear, _nonhomogeneous]]

4.238

1166

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

3.786

1182

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

2.357

1185

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

i.c.

1

1

1

[[_2nd_order, _with_linear_symmetries]]

3.535

1188

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

i.c.

1

1

1

[[_2nd_order, _with_linear_symmetries]]

3.133

1189

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

i.c.

1

1

1

[[_2nd_order, _exact, _linear, _nonhomogeneous]]

4.083

1726

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

1

1

1

[[_Emden, _Fowler]]

2.38

1745

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

2.399

1747

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

1

1

1

[_Gegenbauer]

2.775

1748

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

2.386

1750

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

2.343

1753

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

1

1

1

[[_Emden, _Fowler]]

2.765

1763

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

3.929

1784

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

1

1

1

[[_Emden, _Fowler]]

2.343

1786

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

1

1

1

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

1.893

1788

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

1

1

1

[[_Emden, _Fowler]]

2.729

2259

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

30.744

2279

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

1

1

1

[[_2nd_order, _missing_y]]

2.671

2282

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

1

1

1

[[_2nd_order, _missing_y]]

4.142

2522

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

1.502

2597

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

1.592

2604

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

1

1

1

[[_2nd_order, _exact, _linear, _homogeneous]]

1.474

2660

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

1

1

1

[[_2nd_order, _missing_y]]

0.858

4646

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

2.695

4647

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

1

1

1

[[_2nd_order, _exact, _linear, _nonhomogeneous]]

2.991

4649

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

1

1

1

[[_2nd_order, _exact, _linear, _nonhomogeneous]]

4.137

4655

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

1

1

1

[[_2nd_order, _missing_y]]

2.628

4671

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

i.c.

1

1

1

[[_2nd_order, _missing_y]]

1.478

4682

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

1

1

1

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

1.595

4848

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

1

1

1

[[_Emden, _Fowler]]

1.545

4853

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

1

1

1

[[_2nd_order, _exact, _linear, _nonhomogeneous]]

2.462

4871

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

1.896

4875

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

1

1

1

[[_2nd_order, _missing_y]]

1.035

4905

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

1

1

1

[[_Emden, _Fowler]]

1.131

4907

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

1.088

4909

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.998

5068

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

1

1

1

[[_Emden, _Fowler]]

1.588

5189

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

3.818

5197

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

1

1

1

[[_2nd_order, _exact, _linear, _nonhomogeneous]]

4.651

5231

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

1.739

5407

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

11.81

5410

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

1

1

1

[[_2nd_order, _exact, _linear, _nonhomogeneous]]

2.375

5413

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

1.546

5414

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

1.884

5424

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

1.818

5425

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

1.077

5428

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

1.576

5431

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

1

1

1

[[_2nd_order, _missing_y]]

1.816

5811

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

1

1

1

[[_2nd_order, _exact, _linear, _homogeneous]]

2.218

5816

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

1

1

1

[[_2nd_order, _exact, _linear, _homogeneous]]

2.717

5823

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

2.22

5824

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

1

1

1

[[_2nd_order, _exact, _linear, _nonhomogeneous]]

2.867

5825

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

1.593

5826

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

1

1

1

[[_2nd_order, _exact, _linear, _nonhomogeneous]]

2.536

5827

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

1.181

5829

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

1.549

5832

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

1

1

1

[[_2nd_order, _linear, _nonhomogeneous]]

51.21

5859

\[ {}y^{\prime \prime }-\frac {x y^{\prime }}{-x^{2}+1}+\frac {y}{-x^{2}+1} = 0 \]

1

1

1

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

2.795

6006

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

i.c.

1

1

1

[[_2nd_order, _exact, _linear, _homogeneous]]

3.038

6007

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

i.c.

1

1

1

[[_2nd_order, _exact, _linear, _homogeneous]]

2.88

6008

\[ {}\left (3 x -1\right )^{2} y^{\prime \prime }+\left (9 x -3\right ) y^{\prime }-9 y = 0 \]

1

1

1

[[_2nd_order, _exact, _linear, _homogeneous]]

2.356

6032

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

1

1

1

[[_Emden, _Fowler]]

1.513

6096

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

1

1

1

[[_2nd_order, _missing_y]]

2.16

6243

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

1

1

1

[[_2nd_order, _missing_y]]

2.368

6268

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

1

1

1

[[_2nd_order, _missing_y]]

6.202

6332

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

4.388

6334

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

4.786

6335

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

2.931

6336

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

6.461

6399

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

i.c.

1

1

1

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

6.595

6694

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

i.c.

1

1

1

[[_2nd_order, _missing_y]]

2.659

6828

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

i.c.

1

1

1

[[_2nd_order, _missing_y]]

3.078

6829

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

i.c.

1

1

1

[[_2nd_order, _missing_y]]

2.556

6834

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

1

1

1

[[_2nd_order, _missing_y]]

2.085

6841

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

1

1

1

[[_2nd_order, _missing_y]]

1.612

6938

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

1

1

1

[[_Emden, _Fowler]]

1.52

7091

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

1

1

1

[[_2nd_order, _missing_y]]

2.355

7094

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

1

1

1

[[_2nd_order, _missing_y]]

0.972

7095

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

1

1

1

[[_2nd_order, _missing_y]]

0.863

7460

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

4.483

9372

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

1.151

9422

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

1

1

1

[[_2nd_order, _missing_y]]

1.478

9440

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

1

1

1

[_Laguerre]

1.018

9488

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

1

1

1

[[_2nd_order, _exact, _linear, _nonhomogeneous]]

4.91

9494

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

1

1

1

[[_2nd_order, _exact, _linear, _homogeneous]]

2.319

9495

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

3.866

9503

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

4.727

9554

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

2.075

9556

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

1.867

9579

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.766

9614

\[ {}\left (3 x -1\right )^{2} y^{\prime \prime }+3 \left (3 x -1\right ) y^{\prime }-9 y-\ln \left (3 x -1\right )^{2} = 0 \]

1

1

1

[[_2nd_order, _exact, _linear, _nonhomogeneous]]

3.682

9627

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

1

1

1

[_Gegenbauer]

1.786

9724

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

1.842

9740

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

1.015

9758

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

10.22

9769

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

1.244

10847

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

1.144

10999

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

70.093

11066

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

3.0

11084

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

2.92

11290

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

1.725

11291

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

1.987

11292

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

1

1

1

[[_2nd_order, _linear, _nonhomogeneous]]

4.663

11304

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

1.629

11341

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

1

1

1

[[_2nd_order, _missing_y]]

1.316

11344

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

1

1

1

[[_2nd_order, _missing_y]]

4.49

11366

\[ {}x^{\prime }+t x^{\prime \prime } = 1 \]

i.c.

1

1

1

[[_2nd_order, _missing_y]]

2.283

11395

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

1

1

1

[[_2nd_order, _missing_y]]

1.619

11492

\[ {}x^{\prime \prime }+\frac {x^{\prime }}{t} = a \]

1

1

1

[[_2nd_order, _missing_y]]

1.708

11493

\[ {}t^{2} x^{\prime \prime }-3 t x^{\prime }+3 x = 4 t^{7} \]

1

1

1

[[_2nd_order, _with_linear_symmetries]]

2.57

11717

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

i.c.

1

1

1

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

3.202

11847

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

2.099

11848

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

2.499

11851

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

1

1

1

[[_2nd_order, _exact, _linear, _nonhomogeneous]]

4.093

11854

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

1

1

1

[[_Emden, _Fowler]]

2.478

11877

\[ {}x^{2} y^{\prime \prime }-4 x y^{\prime }+4 y = -6 x^{3}+4 x^{2} \]

i.c.

1

1

1

[[_2nd_order, _with_linear_symmetries]]

4.759

11882

\[ {}\left (2 x -3\right )^{2} y^{\prime \prime }-6 \left (2 x -3\right ) y^{\prime }+12 y = 0 \]

1

1

1

[[_2nd_order, _with_linear_symmetries]]

1.718

12062

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

i.c.

1

1

1

[[_2nd_order, _exact, _linear, _homogeneous]]

4.306

12066

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

i.c.

1

1

1

[[_Emden, _Fowler]]

3.652

12182

\[ {}u^{\prime \prime }+\frac {2 u^{\prime }}{r} = 0 \]

1

1

1

[[_2nd_order, _missing_y]]

3.149

12253

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

1.327

12259

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

1

1

1

[[_2nd_order, _exact, _linear, _nonhomogeneous]]

2.099

12266

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

1

1

1

[[_2nd_order, _linear, _nonhomogeneous]]

21.72

12424

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

1

1

1

[[_2nd_order, _missing_y]]

1.6

12493

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

i.c.

1

1

1

[[_2nd_order, _missing_y]]

1.897

12573

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

1

1

1

[[_2nd_order, _exact, _linear, _homogeneous]]

1.733

12583

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

1

1

1

[[_Emden, _Fowler]]

1.102

12745

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

i.c.

1

1

1

[[_2nd_order, _missing_y]]

1.86

12746

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

i.c.

1

1

1

[[_2nd_order, _missing_y]]

1.83

12751

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

1

1

1

[[_Emden, _Fowler]]

1.391

12755

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

i.c.

1

1

1

[[_Emden, _Fowler]]

2.388

13472

\[ {}x y^{\prime \prime }+4 y^{\prime } = 18 x^{2} \]

1

1

1

[[_2nd_order, _missing_y]]

2.438

13473

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

1

1

1

[[_2nd_order, _missing_y]]

2.237

13500

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

1

1

1

[[_2nd_order, _missing_y]]

2.281

13506

\[ {}x y^{\prime \prime }+4 y^{\prime } = 18 x^{2} \]

i.c.

1

1

1

[[_2nd_order, _missing_y]]

2.672

13507

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

i.c.

1

1

1

[[_2nd_order, _missing_y]]

2.525

13512

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

i.c.

1

1

1

[[_2nd_order, _missing_y]]

3.515

13565

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

i.c.

1

1

1

[[_Emden, _Fowler]]

2.474

13567

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

i.c.

1

1

1

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

2.409

13645

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

1

1

1

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

1.974

13663

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

i.c.

1

1

1

[[_Emden, _Fowler]]

2.377

13769

\[ {}2 x^{2} y^{\prime \prime }-x y^{\prime }+y = \frac {50}{x^{3}} \]

1

1

1

[[_2nd_order, _with_linear_symmetries]]

2.514

13776

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

2.726

13782

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

1

1

1

[[_2nd_order, _exact, _linear, _nonhomogeneous]]

3.602

13789

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

2.115

13804

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

1

1

1

[[_2nd_order, _missing_y]]

2.704

13826

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

1

1

1

[[_2nd_order, _missing_y]]

2.601

13841

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

1

1

1

[[_2nd_order, _exact, _linear, _nonhomogeneous]]

3.786

14265

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

1

1

1

[[_2nd_order, _exact, _linear, _nonhomogeneous]]

2.964

14451

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

i.c.

1

1

1

[[_Emden, _Fowler]]

4.243

14456

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

1

1

1

[[_2nd_order, _exact, _linear, _homogeneous]]

3.97

14507

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

1

1

1

[[_Emden, _Fowler]]

2.668

14508

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

1

1

1

[[_Emden, _Fowler]]

2.598

14634

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

i.c.

1

1

1

[[_2nd_order, _with_linear_symmetries]]

3.713

14711

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

1

1

1

[[_Emden, _Fowler]]

2.76

14712

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

1

1

1

[[_Emden, _Fowler]]

2.839

14740

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

i.c.

1

1

1

[[_Emden, _Fowler]]

5.136

14768

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

i.c.

1

1

1

[[_Emden, _Fowler]]

3.135

14875

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

1

1

1

[[_Emden, _Fowler]]

3.047

15189

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

1

1

1

[[_2nd_order, _missing_y]]

1.02

15190

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

1

1

1

[[_2nd_order, _missing_y]]

0.675

15192

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

1

1

1

[[_2nd_order, _missing_y]]

1.184

15193

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

1

1

1

[[_2nd_order, _missing_y]]

0.678

15386

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

1

1

1

[[_2nd_order, _exact, _linear, _homogeneous]]

1.964

15389

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

1

1

1

[[_2nd_order, _missing_y]]

0.774

15390

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.79

15391

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.802

15400

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

1

1

1

[[_2nd_order, _exact, _linear, _nonhomogeneous]]

2.67

15405

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

1

1

1

[_Jacobi]

1.088

15406

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

1.181

15427

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

1

1

1

[[_2nd_order, _missing_y]]

1.468

15428

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

1

1

1

[[_2nd_order, _missing_y]]

0.908

15434

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

i.c.

1

0

1

[[_2nd_order, _with_linear_symmetries]]

N/A

1.839

15464

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

1

1

1

[[_2nd_order, _missing_y]]

0.819