2.20.37 A FIRST COURSE IN DIFFERENTIAL EQUATIONS with Modeling Applications. Dennis G. Zill. 9th edition. Brooks/Cole. CA, USA.

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

Table 2.452: A FIRST COURSE IN DIFFERENTIAL EQUATIONS with Modeling Applications. Dennis G. Zill. 9th edition. Brooks/Cole. CA, USA.

#

ODE

A

B

C

Program classification

CAS classification

Solved?

Verified?

time (sec)

5533

\[ {}\left (x^{2}-25\right ) y^{\prime \prime }+2 x y^{\prime }+y = 0 \]

1

2

1

second order series method. Ordinary point, second order series method. Taylor series method

[[_2nd_order, _with_linear_symmetries]]

0.944

5534

\[ {}\left (x^{2}-25\right ) y^{\prime \prime }+2 x y^{\prime }+y = 0 \]

1

1

1

second order series method. Ordinary point, second order series method. Taylor series method

[[_2nd_order, _with_linear_symmetries]]

1.046

5535

\[ {}\left (x^{2}-2 x +10\right ) y^{\prime \prime }+x y^{\prime }-4 y = 0 \]

1

2

1

second order series method. Ordinary point, second order series method. Taylor series method

[[_2nd_order, _with_linear_symmetries]]

1.242

5536

\[ {}\left (x^{2}-2 x +10\right ) y^{\prime \prime }+x y^{\prime }-4 y = 0 \]

1

1

1

second order series method. Ordinary point, second order series method. Taylor series method

[[_2nd_order, _with_linear_symmetries]]

0.914

5537

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

1

2

1

second order series method. Ordinary point, second order series method. Taylor series method

[[_Emden, _Fowler]]

0.388

5538

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

1

2

1

second order series method. Ordinary point, second order series method. Taylor series method

[[_Emden, _Fowler]]

0.417

5539

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

1

2

1

second order series method. Ordinary point, second order series method. Taylor series method

[_Lienard]

0.623

5540

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

1

2

1

second order series method. Ordinary point, second order series method. Taylor series method

[_Hermite]

0.487

5541

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

1

2

1

second order series method. Ordinary point, second order series method. Taylor series method

[[_2nd_order, _with_linear_symmetries]]

0.594

5542

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

1

2

1

second order series method. Ordinary point, second order series method. Taylor series method

[[_2nd_order, _exact, _linear, _homogeneous]]

0.529

5543

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

1

2

1

second order series method. Ordinary point, second order series method. Taylor series method

[[_2nd_order, _missing_y]]

0.513

5544

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

1

2

1

second order series method. Ordinary point, second order series method. Taylor series method

[[_2nd_order, _with_linear_symmetries]]

0.757

5545

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

1

2

1

second order series method. Ordinary point, second order series method. Taylor series method

[[_2nd_order, _exact, _linear, _homogeneous]]

0.653

5546

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

1

2

1

second order series method. Ordinary point, second order series method. Taylor series method

[[_Emden, _Fowler]]

0.441

5547

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

1

2

1

second order series method. Ordinary point, second order series method. Taylor series method

[[_2nd_order, _with_linear_symmetries]]

0.774

5548

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

1

2

1

second order series method. Ordinary point, second order series method. Taylor series method

[[_2nd_order, _exact, _linear, _homogeneous]]

0.58

5549

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

i.c.

1

2

1

second order series method. Ordinary point, second order series method. Taylor series method

[[_2nd_order, _with_linear_symmetries]]

1.497

5550

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

i.c.

1

2

1

second order series method. Ordinary point, second order series method. Taylor series method

[[_2nd_order, _exact, _linear, _homogeneous]]

1.58

5551

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

i.c.

1

2

1

second order series method. Ordinary point, second order series method. Taylor series method

[[_2nd_order, _with_linear_symmetries]]

0.85

5552

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

i.c.

1

2

1

second order series method. Ordinary point, second order series method. Taylor series method

[[_2nd_order, _missing_y]]

1.231

5553

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

1

2

1

second order series method. Ordinary point, second order series method. Taylor series method

[[_2nd_order, _with_linear_symmetries]]

2.974

5554

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

1

2

1

second order series method. Ordinary point, second order series method. Taylor series method

[[_2nd_order, _with_linear_symmetries]]

0.783

5555

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

1

2

1

second order series method. Ordinary point, second order series method. Taylor series method

[[_2nd_order, _exact, _linear, _homogeneous]]

0.514

5556

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

1

0

0

second order series method. Irregular singular point

[[_Emden, _Fowler]]

N/A

0.263

5557

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

1

1

1

second order series method. Regular singular point. Difference is integer

[[_2nd_order, _with_linear_symmetries]]

3.356

5558

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

1

2

1

second order series method. Ordinary point, second order series method. Taylor series method

[[_2nd_order, _with_linear_symmetries]]

3.428

5559

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

1

1

1

second order series method. Regular singular point. Difference is integer

[[_2nd_order, _with_linear_symmetries]]

3.741

5560

\[ {}\left (x^{3}+4 x \right ) y^{\prime \prime }-2 x y^{\prime }+6 y = 0 \]

1

1

1

second order series method. Regular singular point. Difference is integer

[[_2nd_order, _with_linear_symmetries]]

3.747

5561

\[ {}x^{2} \left (x -5\right )^{2} y^{\prime \prime }+4 x y^{\prime }+\left (x^{2}-25\right ) y = 0 \]

1

1

1

second order series method. Regular singular point. Difference not integer

[[_2nd_order, _with_linear_symmetries]]

3.619

5562

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

1

2

1

second order series method. Ordinary point, second order series method. Taylor series method

[[_2nd_order, _with_linear_symmetries]]

1.285

5563

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

1

1

1

second order series method. Regular singular point. Difference is integer

[[_2nd_order, _with_linear_symmetries]]

4.371

5564

\[ {}x^{3} \left (x^{2}-25\right ) \left (-2+x \right )^{2} y^{\prime \prime }+3 x \left (-2+x \right ) y^{\prime }+7 \left (x +5\right ) y = 0 \]

1

0

0

second order series method. Irregular singular point

[[_2nd_order, _with_linear_symmetries]]

N/A

4.455

5565

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

1

1

1

second order series method. Regular singular point. Difference not integer

[[_2nd_order, _with_linear_symmetries]]

5.415

5566

\[ {}\left (x^{2}-1\right ) y^{\prime \prime }+5 \left (1+x \right ) y^{\prime }+\left (x^{2}-x \right ) y = 0 \]

1

2

1

second order series method. Ordinary point, second order series method. Taylor series method

[[_2nd_order, _with_linear_symmetries]]

1.198

5567

\[ {}x y^{\prime \prime }+\left (x +3\right ) y^{\prime }+7 x^{2} y = 0 \]

1

1

1

second order series method. Regular singular point. Difference is integer

[[_2nd_order, _with_linear_symmetries]]

3.582

5568

\[ {}x^{2} y^{\prime \prime }+\left (\frac {5}{3} x +x^{2}\right ) y^{\prime }-\frac {y}{3} = 0 \]

1

1

1

second order series method. Regular singular point. Difference not integer

[[_2nd_order, _with_linear_symmetries]]

1.121

5569

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

1

1

1

second order series method. Regular singular point. Repeated root

[[_Emden, _Fowler]]

0.833

5570

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

1

1

1

second order series method. Regular singular point. Difference not integer

[[_Emden, _Fowler]]

0.905

5571

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

1

1

1

second order series method. Regular singular point. Difference not integer

[[_2nd_order, _with_linear_symmetries]]

0.89

5572

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

1

1

1

second order series method. Regular singular point. Difference not integer

[[_Emden, _Fowler]]

0.889

5573

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

1

1

1

second order series method. Regular singular point. Difference not integer

[[_2nd_order, _with_linear_symmetries]]

0.924

5574

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

1

1

1

second order series method. Regular singular point. Difference not integer

[[_2nd_order, _exact, _linear, _homogeneous]]

1.061

5575

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

1

1

1

second order series method. Regular singular point. Difference not integer

[[_2nd_order, _with_linear_symmetries]]

0.835

5576

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

1

1

1

second order series method. Regular singular point. Difference not integer

[_Laguerre]

1.131

5577

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

1

1

1

second order series method. Regular singular point. Difference not integer

[[_2nd_order, _with_linear_symmetries]]

0.899

5578

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

1

1

1

second order series method. Regular singular point. Difference not integer

[[_2nd_order, _with_linear_symmetries]]

0.939

5579

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

1

1

1

second order series method. Regular singular point. Difference not integer

[[_2nd_order, _with_linear_symmetries]]

1.298

5580

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

1

1

1

second order series method. Regular singular point. Difference is integer

[[_2nd_order, _with_linear_symmetries]]

0.832

5581

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

1

1

1

second order series method. Regular singular point. Difference is integer

[[_2nd_order, _with_linear_symmetries]]

0.994

5582

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

1

1

1

second order series method. Regular singular point. Difference is integer

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

2.98

5583

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

1

1

1

second order series method. Regular singular point. Difference is integer

[[_2nd_order, _with_linear_symmetries]]

3.066

5584

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

1

1

1

second order series method. Regular singular point. Repeated root

[[_2nd_order, _exact, _linear, _homogeneous]]

0.846

5585

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

1

1

1

second order series method. Regular singular point. Repeated root

[[_Emden, _Fowler]]

0.875

5586

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

1

1

1

second order series method. Regular singular point. Difference is integer

[[_2nd_order, _with_linear_symmetries]]

1.284

5587

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

1

1

1

second order series method. Regular singular point. Difference is integer

[[_2nd_order, _exact, _linear, _homogeneous]]

0.985

5588

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

1

0

0

second order series method. Irregular singular point

[[_Emden, _Fowler]]

N/A

0.286

5589

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

1

0

0

second order series method. Irregular singular point

[[_Emden, _Fowler]]

N/A

0.202

5590

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

1

0

0

second order series method. Irregular singular point

[[_2nd_order, _exact, _linear, _homogeneous]]

N/A

0.342

5591

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

1

1

1

second order series method. Regular singular point. Difference not integer

[[_2nd_order, _with_linear_symmetries]]

0.908

5592

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

1

1

1

second order series method. Regular singular point. Difference is integer

[_Bessel]

2.938

5593

\[ {}4 x^{2} y^{\prime \prime }+4 x y^{\prime }+\left (4 x^{2}-25\right ) y = 0 \]

1

1

1

second order series method. Regular singular point. Difference is integer

[[_2nd_order, _with_linear_symmetries]]

1.084

5594

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

1

1

1

second order series method. Regular singular point. Difference not integer

[[_2nd_order, _with_linear_symmetries]]

0.933

5595

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

1

1

1

second order series method. Regular singular point. Repeated root

[_Lienard]

0.702

5596

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

1

1

1

second order series method. Regular singular point. Difference is integer

[_Bessel]

2.836

5597

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

1

1

1

second order series method. Regular singular point. Difference is integer

[[_2nd_order, _with_linear_symmetries]]

2.777

5598

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

1

1

1

second order series method. Regular singular point. Difference is integer

[[_2nd_order, _with_linear_symmetries]]

1.009

5599

\[ {}x^{2} y^{\prime \prime }+x y^{\prime }+\left (25 x^{2}-\frac {4}{9}\right ) y = 0 \]

1

1

1

second order series method. Regular singular point. Difference not integer

[[_2nd_order, _with_linear_symmetries]]

0.812

5600

\[ {}x^{2} y^{\prime \prime }+x y^{\prime }+\left (2 x^{2}-64\right ) y = 0 \]

1

1

1

second order series method. Regular singular point. Difference is integer

[[_2nd_order, _with_linear_symmetries]]

3.53

5601

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

1

1

1

second order series method. Regular singular point. Difference is integer

[[_Emden, _Fowler]]

3.089

5602

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

1

1

1

second order series method. Regular singular point. Difference is integer

[_Lienard]

2.964

5603

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

1

1

1

second order series method. Regular singular point. Difference is integer

[_Lienard]

2.952

5604

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

1

1

1

second order series method. Regular singular point. Difference is integer

[_Lienard]

2.888

5605

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

1

1

1

second order series method. Regular singular point. Difference is integer

[[_2nd_order, _with_linear_symmetries]]

0.863

5606

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

1

1

1

second order series method. Regular singular point. Repeated root

[[_2nd_order, _with_linear_symmetries]]

0.827

5607

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

1

1

1

second order series method. Regular singular point. Difference is integer

[[_Emden, _Fowler]]

0.922

5608

\[ {}9 x^{2} y^{\prime \prime }+9 x y^{\prime }+\left (x^{6}-36\right ) y = 0 \]

1

1

1

second order series method. Regular singular point. Difference is integer

[[_2nd_order, _with_linear_symmetries]]

0.916

5609

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

1

2

1

second order series method. Ordinary point, second order series method. Taylor series method

[[_Emden, _Fowler]]

0.407

5610

\[ {}x y^{\prime \prime }+y^{\prime }-7 x^{3} y = 0 \]

1

1

1

second order series method. Regular singular point. Repeated root

[[_Emden, _Fowler]]

0.873

5611

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

1

2

1

second order series method. Ordinary point, second order series method. Taylor series method

[[_2nd_order, _missing_x]]

0.378

5612

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

1

1

1

second order series method. Regular singular point. Difference is integer

[[_2nd_order, _with_linear_symmetries]]

0.931

5613

\[ {}16 x^{2} y^{\prime \prime }+32 x y^{\prime }+\left (x^{4}-12\right ) y = 0 \]

1

1

1

second order series method. Regular singular point. Difference is integer

[[_2nd_order, _with_linear_symmetries]]

0.993

5614

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

1

1

1

second order series method. Regular singular point. Difference is integer

[[_2nd_order, _with_linear_symmetries]]

0.965

5615

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

1

1

1

second order series method. Regular singular point. Difference not integer

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

0.892

5616

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

1

2

1

second order series method. Ordinary point, second order series method. Taylor series method

[[_2nd_order, _exact, _linear, _homogeneous]]

0.541

5617

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

1

2

1

second order series method. Ordinary point, second order series method. Taylor series method

[[_Emden, _Fowler]]

0.632

5618

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

1

2

1

second order series method. Ordinary point, second order series method. Taylor series method

[[_2nd_order, _with_linear_symmetries]]

0.708

5619

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

1

1

1

second order series method. Regular singular point. Difference is integer

[_Laguerre]

0.957

5620

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

1

2

1

second order series method. Ordinary point, second order series method. Taylor series method

[[_2nd_order, _with_linear_symmetries]]

1.364

5621

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

i.c.

1

2

1

second order series method. Ordinary point, second order series method. Taylor series method

[[_2nd_order, _with_linear_symmetries]]

1.58

5622

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

i.c.

1

2

1

second order series method. Ordinary point, second order series method. Taylor series method

[[_Emden, _Fowler]]

1.421