2.16.65 Problems 6401 to 6500

Table 2.146: Main lookup table. Sorted sequentially by problem number.

#

ODE

Program classification

CAS classification

Solved?

Verified?

time (sec)

6401

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

linear, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

[[_linear, ‘class A‘]]

2.008

6402

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

i.c.

kovacic, second_order_linear_constant_coeff, second_order_ode_can_be_made_integrable

[[_2nd_order, _missing_x]]

13.961

6403

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

second_order_ode_missing_x, second_order_ode_can_be_made_integrable

[[_2nd_order, _missing_x], [_2nd_order, _reducible, _mu_x_y1]]

7.572

6404

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

first order ode series method. Ordinary point, first order ode series method. Taylor series method

[_separable]

1.259

6405

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

exact, linear, separable, homogeneousTypeD2, first_order_ode_lie_symmetry_lookup

[_separable]

1.815

6406

\[ {}y^{\prime }+y = 1 \]

first order ode series method. Ordinary point, first order ode series method. Taylor series method

[_quadrature]

1.225

6407

\[ {}y^{\prime }+y = 1 \]

quadrature

[_quadrature]

0.392

6408

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

first order ode series method. Ordinary point, first order ode series method. Taylor series method

[_quadrature]

1.184

6409

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

quadrature

[_quadrature]

0.366

6410

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

first order ode series method. Ordinary point, first order ode series method. Taylor series method

[_quadrature]

1.085

6411

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

quadrature

[_quadrature]

0.235

6412

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

first order ode series method. Ordinary point, first order ode series method. Taylor series method

[_quadrature]

0.718

6413

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

quadrature

[_quadrature]

0.205

6414

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

first order ode series method. Ordinary point, first order ode series method. Taylor series method

[[_linear, ‘class A‘]]

0.91

6415

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

linear, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

[[_linear, ‘class A‘]]

1.397

6416

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

first order ode series method. Regular singular point

[_separable]

0.7

6417

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

exact, linear, separable, homogeneousTypeD2, first_order_ode_lie_symmetry_lookup

[_separable]

1.5

6418

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

first order ode series method. Irregular singular point

[_separable]

N/A

0.833

6419

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

exact, linear, separable, homogeneousTypeD2, first_order_ode_lie_symmetry_lookup

[_separable]

1.664

6420

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

first order ode series method. Regular singular point

[_linear]

0.982

6421

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

linear, homogeneousTypeD2, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

[_linear]

1.743

6422

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

exact, linear, differentialType, first_order_ode_lie_symmetry_lookup

[_linear]

2.173

6423

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

first order ode series method. Ordinary point, first order ode series method. Taylor series method

[_quadrature]

1.063

6424

\[ {}y^{\prime } = y+1 \]

first order ode series method. Ordinary point, first order ode series method. Taylor series method

[_quadrature]

0.765

6425

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

i.c.

first order ode series method. Ordinary point, first order ode series method. Taylor series method

[[_linear, ‘class A‘]]

7.867

6426

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

i.c.

linear, exactWithIntegrationFactor, first_order_ode_lie_symmetry_lookup

[[_linear, ‘class A‘]]

1.708

6427

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

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

[[_2nd_order, _exact, _linear, _homogeneous]]

1.6

6428

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

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

[[_2nd_order, _with_linear_symmetries]]

1.859

6429

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

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

[[_2nd_order, _with_linear_symmetries]]

1.941

6430

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

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

[[_2nd_order, _linear, _nonhomogeneous]]

2.894

6431

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

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

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

1.693

6432

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

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

[[_2nd_order, _with_linear_symmetries]]

2.433

6433

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

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

[[_2nd_order, _with_linear_symmetries]]

1.546

6434

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

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

[[_2nd_order, _exact, _linear, _homogeneous]]

1.254

6435

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

i.c.

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

[[_2nd_order, _with_linear_symmetries]]

5.583

6436

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

i.c.

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

[[_2nd_order, _with_linear_symmetries]]

5.191

6437

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

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

[[_2nd_order, _with_linear_symmetries]]

2.589

6438

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

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

[[_Emden, _Fowler]]

1.131

6439

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

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

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

2.573

6440

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

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

[[_2nd_order, _with_linear_symmetries]]

2.516

6441

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

second order series method. Irregular singular point

[[_2nd_order, _with_linear_symmetries]]

N/A

6.504

6442

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

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

[[_2nd_order, _with_linear_symmetries]]

10.205

6443

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

second order series method. Irregular singular point

[[_2nd_order, _missing_y]]

N/A

0.425

6444

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

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

[[_2nd_order, _with_linear_symmetries]]

9.423

6445

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

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

[[_2nd_order, _with_linear_symmetries]]

9.463

6446

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

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

[[_2nd_order, _with_linear_symmetries]]

6.506

6447

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

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

[[_2nd_order, _with_linear_symmetries]]

8.851

6448

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

second order series method. Regular singular point. Complex roots

[[_2nd_order, _with_linear_symmetries]]

4.432

6449

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

second order series method. Irregular singular point

[[_2nd_order, _with_linear_symmetries]]

N/A

2.889

6450

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

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

[[_2nd_order, _with_linear_symmetries]]

39.095

6451

\[ {}4 x^{2} y^{\prime \prime }+\left (2 x^{4}-5 x \right ) y^{\prime }+\left (3 x^{2}+2\right ) y = 0 \]

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

[[_2nd_order, _with_linear_symmetries]]

7.792

6452

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

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

[[_Emden, _Fowler]]

7.579

6453

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

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

[[_Emden, _Fowler]]

2.538

6454

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

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

[[_Emden, _Fowler]]

2.832

6455

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

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

[[_2nd_order, _exact, _linear, _homogeneous]]

2.984

6456

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

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

[[_2nd_order, _with_linear_symmetries]]

4.271

6457

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

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

[[_2nd_order, _with_linear_symmetries]]

2.92

6458

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

second order series method. Regular singular point. Repeated root

[_Lienard]

2.013

6459

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

second order series method. Irregular singular point

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

N/A

0.641

6460

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

second order series method. Irregular singular point

[[_2nd_order, _exact, _linear, _homogeneous]]

N/A

0.927

6461

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

second order series method. Regular singular point. Repeated root

[[_2nd_order, _with_linear_symmetries]]

2.501

6462

\[ {}4 x^{2} y^{\prime \prime }-8 x^{2} y^{\prime }+\left (4 x^{2}+1\right ) y = 0 \]

second order series method. Regular singular point. Repeated root

[[_2nd_order, _with_linear_symmetries]]

3.294

6463

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

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

[_Lienard]

2.411

6464

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

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

[[_2nd_order, _with_linear_symmetries]]

3.453

6465

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

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

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

2.519

6466

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

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

[[_2nd_order, _with_linear_symmetries]]

3.141

6467

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

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

[[_2nd_order, _with_linear_symmetries]]

2.967

6468

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

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

[_Bessel]

6.876

6469

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

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

[[_2nd_order, _with_linear_symmetries]]

2.597

6470

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

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

[_Jacobi]

3.153

6471

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

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

[[_2nd_order, _exact, _linear, _homogeneous]]

2.782

6472

\[ {}\left (x^{2}-1\right ) y^{\prime \prime }+\left (5 x +4\right ) y^{\prime }+4 y = 0 \]

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

[[_2nd_order, _with_linear_symmetries]]

4.117

6473

\[ {}\left (x^{2}-x -6\right ) y^{\prime \prime }+\left (5+3 x \right ) y^{\prime }+y = 0 \]

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

[[_2nd_order, _exact, _linear, _homogeneous]]

24.812

6474

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

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

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

4.711

6475

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

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

[[_2nd_order, _exact, _linear, _homogeneous]]

4.176

6476

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

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

[[_2nd_order, _with_linear_symmetries]]

1.428

6477

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

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

[[_2nd_order, _with_linear_symmetries]]

2.408

6478

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

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

[[_2nd_order, _linear, _nonhomogeneous]]

1.9

6479

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

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

[[_2nd_order, _exact, _linear, _homogeneous]]

1.777

6480

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

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

[[_2nd_order, _with_linear_symmetries]]

3.219

6481

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

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

[[_2nd_order, _with_linear_symmetries]]

1.671

6482

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

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

[[_2nd_order, _with_linear_symmetries]]

2.997

6483

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

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

[[_2nd_order, _exact, _linear, _homogeneous]]

2.751

6484

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

second order series method. Regular singular point. Complex roots

[[_2nd_order, _with_linear_symmetries]]

16.607

6485

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

second order series method. Regular singular point. Complex roots

[[_2nd_order, _with_linear_symmetries]]

7.891

6486

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

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

[_Lienard]

3.286

6487

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

second order series method. Regular singular point. Complex roots

[[_2nd_order, _with_linear_symmetries]]

7.754

6488

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

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

[[_2nd_order, _with_linear_symmetries]]

4.217

6489

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

second order series method. Regular singular point. Repeated root

[_Laguerre]

3.061

6490

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

second order series method. Regular singular point. Complex roots

[[_2nd_order, _with_linear_symmetries]]

8.414

6491

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

second order series method. Regular singular point. Repeated root

[[_2nd_order, _exact, _linear, _homogeneous]]

2.652

6492

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

unknown

[[_3rd_order, _with_linear_symmetries]]

N/A

0.0

6493

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

unknown

[[_3rd_order, _with_linear_symmetries]]

N/A

0.0

6494

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

unknown

[[_3rd_order, _with_linear_symmetries]]

N/A

0.0

6495

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

unknown

[[_3rd_order, _with_linear_symmetries]]

N/A

0.0

6496

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

second order series method. Regular singular point. Repeated root

[[_Emden, _Fowler]]

2.698

6497

\[ {}9 \left (-2+x \right )^{2} \left (x -3\right ) y^{\prime \prime }+6 x \left (-2+x \right ) y^{\prime }+16 y = 0 \]

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

[[_2nd_order, _with_linear_symmetries]]

24.606

6498

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

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

[_Gegenbauer]

5.185

6499

\[ {}y^{\prime \prime }+5 y^{\prime }+6 y = 5 \,{\mathrm e}^{3 t} \]

i.c.

second_order_laplace

[[_2nd_order, _with_linear_symmetries]]

1.156

6500

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

i.c.

second_order_laplace

[[_2nd_order, _with_linear_symmetries]]

1.085