2.21.2.8 second_order_change_of_variable_on_y_method_1

These are second order ode of the form \(y''+p(x) y' + q(x)y=r(x)\) solved using transformation on dependent variable \(y(x)=v(x) z(x)\). Reference this under section called “Transformation on the dependent variable (general case)”. This is also called Liouville transformation in some places. Number of problems in this table is 156

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

Table 2.596: second_order_change_of_variable_on_y_method_1

#

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

253

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

2.511

255

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

2.498

644

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

1

1

1

[[_2nd_order, _exact, _linear, _homogeneous]]

2.901

647

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

1

1

1

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

1.827

696

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

1.659

700

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

1

1

1

[[_2nd_order, _linear, _nonhomogeneous]]

2.777

1092

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

i.c.

1

1

1

[[_2nd_order, _exact, _linear, _homogeneous]]

3.006

1099

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

1.308

1101

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

1.295

1104

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

1

1

1

[[_2nd_order, _exact, _linear, _homogeneous]]

2.375

1163

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

1

1

1

[[_2nd_order, _linear, _nonhomogeneous]]

1.501

1165

\[ {}x^{2} y^{\prime \prime }-4 x y^{\prime }+6 y = x^{\frac {5}{2}} \]

1

1

1

[[_2nd_order, _with_linear_symmetries]]

3.252

1171

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

1

1

1

[[_2nd_order, _linear, _nonhomogeneous]]

2.002

1174

\[ {}4 x^{2} y^{\prime \prime }-4 x y^{\prime }+\left (-16 x^{2}+3\right ) y = 8 x^{\frac {5}{2}} \]

1

1

1

[[_2nd_order, _linear, _nonhomogeneous]]

1.745

1175

\[ {}4 x^{2} y^{\prime \prime }-4 x y^{\prime }+\left (4 x^{2}+3\right ) y = x^{\frac {7}{2}} \]

1

1

1

[[_2nd_order, _linear, _nonhomogeneous]]

1.87

1176

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

1

1

1

[[_2nd_order, _linear, _nonhomogeneous]]

1.772

1177

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

1

1

1

[[_2nd_order, _linear, _nonhomogeneous]]

1.306

1179

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

1

1

1

[[_2nd_order, _linear, _nonhomogeneous]]

1.997

1181

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

1

1

1

[[_2nd_order, _linear, _nonhomogeneous]]

1.7

1183

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

1

1

1

[[_2nd_order, _linear, _nonhomogeneous]]

2.039

1746

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

1.315

1751

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

1.497

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

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

2529

\[ {}y^{\prime \prime }+4 x y^{\prime }+\left (4 x^{2}+6\right ) y = {\mathrm e}^{-x^{2}} \sin \left (2 x \right ) \]

1

1

1

[[_2nd_order, _linear, _nonhomogeneous]]

1.322

2598

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

1

1

1

[[_2nd_order, _linear, _nonhomogeneous]]

1.773

2802

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

1

1

1

[[_2nd_order, _exact, _linear, _nonhomogeneous]]

2.421

2803

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

1

1

1

[[_2nd_order, _exact, _linear, _nonhomogeneous]]

2.505

2806

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

1

1

1

[[_2nd_order, _linear, _nonhomogeneous]]

1.737

2807

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

1

1

1

[[_2nd_order, _linear, _nonhomogeneous]]

1.735

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

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

4734

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.842

4735

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.53

4740

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.51

4911

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.391

5065

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

1

1

1

[[_2nd_order, _exact, _linear, _homogeneous]]

1.774

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

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

5416

\[ {}y^{\prime \prime }-2 \tan \left (x \right ) y^{\prime }-10 y = 0 \]

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.606

5426

\[ {}x^{2} y^{\prime \prime }-4 x y^{\prime }+\left (9 x^{2}+6\right ) y = 0 \]

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.766

5427

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

1

1

1

[[_2nd_order, _linear, _nonhomogeneous]]

1.108

5830

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

1

1

1

[[_2nd_order, _linear, _nonhomogeneous]]

1.359

5855

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.727

5857

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

1

1

1

[_Lienard]

1.17

5867

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.763

5877

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.845

6018

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.83

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

6626

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

2.565

6640

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.8

6642

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.508

7295

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.978

7296

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.969

7297

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

1.065

7298

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

1

1

1

[[_2nd_order, _linear, _nonhomogeneous]]

1.559

7470

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

1

1

1

[_Lienard]

1.487

7471

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

1

1

1

[[_2nd_order, _linear, _nonhomogeneous]]

2.708

7472

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

1

1

1

[[_2nd_order, _linear, _nonhomogeneous]]

3.88

7473

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

1

1

1

[[_2nd_order, _linear, _nonhomogeneous]]

1.444

7474

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

1

1

1

[[_2nd_order, _linear, _nonhomogeneous]]

8.422

7475

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

1.449

7478

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

1.171

7479

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

1

1

1

[_Lienard]

1.082

7487

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

1

1

1

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

2.481

9379

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.626

9381

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

1

1

1

[[_2nd_order, _linear, _nonhomogeneous]]

4.744

9382

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.583

9383

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

1

1

1

[[_2nd_order, _linear, _nonhomogeneous]]

1.314

9385

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

1.2

9393

\[ {}y^{\prime \prime }+y^{\prime } \sqrt {x}+\left (\frac {1}{4 \sqrt {x}}+\frac {x}{4}-9\right ) y-x \,{\mathrm e}^{-\frac {x^{\frac {3}{2}}}{3}} = 0 \]

1

1

1

[[_2nd_order, _linear, _nonhomogeneous]]

1.799

9395

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

1

1

1

[[_2nd_order, _linear, _nonhomogeneous]]

4.507

9409

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.575

9419

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

1.059

9429

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

1

1

1

[[_2nd_order, _linear, _nonhomogeneous]]

1.601

9430

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.835

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

9505

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.854

9506

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

1

1

1

[[_2nd_order, _linear, _nonhomogeneous]]

3.411

9507

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

1

1

1

[[_2nd_order, _linear, _nonhomogeneous]]

2.013

9508

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.944

9531

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

1.089

9558

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

1

1

1

[[_2nd_order, _exact, _linear, _nonhomogeneous]]

3.898

9571

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.661

9604

\[ {}4 x^{2} y^{\prime \prime }+4 x y^{\prime }-\left (4 x^{2}+1\right ) y-4 \sqrt {x^{3}}\, {\mathrm e}^{x} = 0 \]

1

1

1

[[_2nd_order, _linear, _nonhomogeneous]]

2.011

9605

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.624

9609

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.582

9667

\[ {}y^{\prime \prime } = \frac {2 \left (x a +2 b \right ) y^{\prime }}{x \left (x a +b \right )}-\frac {\left (2 x a +6 b \right ) y}{\left (x a +b \right ) x^{2}} \]

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.803

9693

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

1

1

1

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

1.445

9731

\[ {}y^{\prime \prime } = -\frac {\left (2 x^{2}+1\right ) y^{\prime }}{x^{3}}-\frac {\left (-2 x^{2}+1\right ) y}{4 x^{6}} \]

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.464

9748

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

2.421

9759

\[ {}y^{\prime \prime } = -\frac {\cos \left (x \right ) y^{\prime }}{\sin \left (x \right )}-\frac {\left (-17 \sin \left (x \right )^{2}-1\right ) y}{4 \sin \left (x \right )^{2}} \]

1

1

1

[[_2nd_order, _with_linear_symmetries]]

1.096

10853

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.745

10859

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.814

10869

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.923

10952

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.911

10953

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.858

11015

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

1.109

11100

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.663

11104

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.909

11111

\[ {}y^{\prime \prime }+\left (2 \,{\mathrm e}^{\lambda x} a +b \right ) y^{\prime }+\left (a^{2} {\mathrm e}^{2 \lambda x}+a \left (b +\lambda \right ) {\mathrm e}^{\lambda x}+c \right ) y = 0 \]

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.825

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

11293

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.949

11295

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

1

1

1

[[_2nd_order, _linear, _nonhomogeneous]]

1.154

11296

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

1

1

1

[[_2nd_order, _linear, _nonhomogeneous]]

7.931

11303

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.87

11306

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.934

11308

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

1.515

11324

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

1

1

1

[[_2nd_order, _exact, _linear, _nonhomogeneous]]

3.064

11480

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

1

1

1

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

3.08

11572

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

1

1

1

[[_2nd_order, _exact, _linear, _homogeneous]]

1.784

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

11849

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

1.626

11852

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

1

1

1

[[_2nd_order, _linear, _nonhomogeneous]]

3.222

11856

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

1

1

1

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

2.205

11867

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

3.065

11869

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

1

1

1

[[_2nd_order, _exact, _linear, _nonhomogeneous]]

4.827

11874

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

i.c.

1

1

1

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

3.424

12059

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

i.c.

1

1

1

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

3.365

12167

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

3.027

12260

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.53

12267

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

1

1

1

[[_2nd_order, _exact, _linear, _nonhomogeneous]]

1.807

12397

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

1

1

1

[[_2nd_order, _linear, _nonhomogeneous]]

2.148

12608

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

i.c.

1

1

1

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

1.969

12609

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

i.c.

1

1

1

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

1.894

12610

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

i.c.

1

1

1

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

1.881

12611

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

i.c.

1

1

1

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

1.908

12612

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

i.c.

1

1

1

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

1.438

12613

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

i.c.

1

0

0

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

N/A

1.063

13563

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

i.c.

1

1

1

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

2.694

13564

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

i.c.

1

1

1

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

2.521

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

13568

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

i.c.

1

0

0

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

N/A

1.587

13661

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

i.c.

1

1

1

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

2.485

13682

\[ {}x^{2} y^{\prime \prime }-4 x y^{\prime }+6 y = 10 x +12 \]

i.c.

1

1

1

[[_2nd_order, _with_linear_symmetries]]

3.763

13688

\[ {}x^{2} y^{\prime \prime }-4 x y^{\prime }+6 y = 1 \]

1

1

1

[[_2nd_order, _with_linear_symmetries]]

2.341

13689

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

2.326

13690

\[ {}x^{2} y^{\prime \prime }-4 x y^{\prime }+6 y = 22 x +24 \]

1

1

1

[[_2nd_order, _with_linear_symmetries]]

2.438

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

13788

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

1

1

1

[[_2nd_order, _exact, _linear, _nonhomogeneous]]

3.189

14063

\[ {}x^{2} y^{\prime \prime }-12 x y^{\prime }+42 y = 0 \]

1

1

1

[[_Emden, _Fowler]]

2.977

14089

\[ {}t^{2} y^{\prime \prime }-12 t y^{\prime }+42 y = 0 \]

i.c.

1

1

1

[[_Emden, _Fowler]]

4.648

14628

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

i.c.

1

0

1

[[_2nd_order, _with_linear_symmetries]]

N/A

1.562

14630

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

i.c.

1

1

1

[[_2nd_order, _with_linear_symmetries]]

2.221

14632

\[ {}4 t^{2} y^{\prime \prime }+4 t y^{\prime }+\left (16 t^{2}-1\right ) y = 16 t^{\frac {3}{2}} \]

i.c.

1

0

0

[[_2nd_order, _linear, _nonhomogeneous]]

N/A

1.503

14633

\[ {}4 t^{2} y^{\prime \prime }+4 t y^{\prime }+\left (16 t^{2}-1\right ) y = 16 t^{\frac {3}{2}} \]

i.c.

1

1

1

[[_2nd_order, _linear, _nonhomogeneous]]

2.326

14748

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

i.c.

1

1

1

[[_2nd_order, _exact, _linear, _nonhomogeneous]]

8.766

14752

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

1

1

1

[[_2nd_order, _exact, _linear, _homogeneous]]

4.191

14765

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

1

1

1

[[_2nd_order, _exact, _linear, _homogeneous]]

4.118

14872

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

1.487

14877

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

1

1

1

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

2.554

15401

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

1

1

1

[[_2nd_order, _exact, _linear, _nonhomogeneous]]

3.657

15436

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

i.c.

1

0

1

[[_2nd_order, _linear, _nonhomogeneous]]

N/A

8.398

15486

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

1

1

1

[[_2nd_order, _with_linear_symmetries]]

0.802