2.2.155 Problems 15401 to 15500

Table 2.311: Main lookup table. Sorted sequentially by problem number.

#

ODE

CAS classification

Solved?

time (sec)

15401

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

[[_Emden, _Fowler]]

3.594

15402

\[ {}x^{2} y^{\prime \prime }-3 y^{\prime } x +13 y = 0 \]
i.c.

[[_Emden, _Fowler]]

3.997

15403

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

[[_3rd_order, _with_linear_symmetries]]

0.122

15404

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

[[_3rd_order, _with_linear_symmetries]]

0.128

15405

\[ {}x^{3} y^{\prime \prime \prime }-5 x^{2} y^{\prime \prime }+14 y^{\prime } x -18 y = 0 \]

[[_3rd_order, _with_linear_symmetries]]

0.123

15406

\[ {}x^{3} y^{\prime \prime \prime }-3 x^{2} y^{\prime \prime }+7 y^{\prime } x -8 y = 0 \]

[[_3rd_order, _with_linear_symmetries]]

0.123

15407

\[ {}x^{4} y^{\prime \prime \prime \prime }+6 x^{3} y^{\prime \prime \prime }+15 x^{2} y^{\prime \prime }+9 y^{\prime } x +16 y = 0 \]

[[_high_order, _with_linear_symmetries]]

0.144

15408

\[ {}x^{4} y^{\prime \prime \prime \prime }+6 x^{3} y^{\prime \prime \prime }-3 x^{2} y^{\prime \prime }-9 y^{\prime } x +9 y = 0 \]

[[_high_order, _exact, _linear, _homogeneous]]

0.135

15409

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

[[_high_order, _with_linear_symmetries]]

0.172

15410

\[ {}x^{4} y^{\prime \prime \prime \prime }+6 x^{3} y^{\prime \prime \prime }+7 x^{2} y^{\prime \prime }+y^{\prime } x -y = 0 \]

[[_high_order, _exact, _linear, _homogeneous]]

0.139

15411

\[ {}y^{\prime \prime }+4 y = 24 \,{\mathrm e}^{2 x} \]
i.c.

[[_2nd_order, _with_linear_symmetries]]

3.251

15412

\[ {}y^{\prime \prime }+4 y = 24 \,{\mathrm e}^{2 x} \]
i.c.

[[_2nd_order, _with_linear_symmetries]]

3.270

15413

\[ {}y^{\prime \prime }+2 y^{\prime }-8 y = 8 x^{2}-3 \]
i.c.

[[_2nd_order, _with_linear_symmetries]]

1.205

15414

\[ {}y^{\prime \prime }+2 y^{\prime }-8 y = 8 x^{2}-3 \]
i.c.

[[_2nd_order, _with_linear_symmetries]]

1.442

15415

\[ {}y^{\prime \prime }-9 y = 36 \]
i.c.

[[_2nd_order, _missing_x]]

3.163

15416

\[ {}y^{\prime \prime }-3 y^{\prime }-10 y = -6 \,{\mathrm e}^{4 x} \]
i.c.

[[_2nd_order, _with_linear_symmetries]]

1.848

15417

\[ {}y^{\prime \prime }-3 y^{\prime }-10 y = 7 \,{\mathrm e}^{5 x} \]
i.c.

[[_2nd_order, _with_linear_symmetries]]

1.965

15418

\[ {}y^{\prime \prime }+6 y^{\prime }+9 y = 169 \sin \left (2 x \right ) \]
i.c.

[[_2nd_order, _linear, _nonhomogeneous]]

2.203

15419

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

[[_2nd_order, _with_linear_symmetries]]

2.378

15420

\[ {}y^{\prime \prime \prime \prime }+y^{\prime \prime } = 1 \]
i.c.

[[_high_order, _missing_x]]

0.118

15421

\[ {}y^{\prime \prime }-3 y^{\prime }-10 y = {\mathrm e}^{4 x} \]

[[_2nd_order, _with_linear_symmetries]]

1.250

15422

\[ {}y^{\prime \prime }-3 y^{\prime }-10 y = {\mathrm e}^{5 x} \]

[[_2nd_order, _with_linear_symmetries]]

1.343

15423

\[ {}y^{\prime \prime }-3 y^{\prime }-10 y = -18 \,{\mathrm e}^{4 x}+14 \,{\mathrm e}^{5 x} \]

[[_2nd_order, _linear, _nonhomogeneous]]

1.502

15424

\[ {}y^{\prime \prime }-3 y^{\prime }-10 y = 35 \,{\mathrm e}^{5 x}+12 \,{\mathrm e}^{4 x} \]

[[_2nd_order, _linear, _nonhomogeneous]]

1.510

15425

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

[[_2nd_order, _with_linear_symmetries]]

1.490

15426

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

[[_2nd_order, _with_linear_symmetries]]

1.578

15427

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

[[_2nd_order, _with_linear_symmetries]]

1.633

15428

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

[[_2nd_order, _with_linear_symmetries]]

1.467

15429

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

[[_2nd_order, _with_linear_symmetries]]

1.460

15430

\[ {}x^{2} y^{\prime \prime }-7 y^{\prime } x +15 y = 1 \]

[[_2nd_order, _with_linear_symmetries]]

1.378

15431

\[ {}x^{2} y^{\prime \prime }-7 y^{\prime } x +15 y = 4 x^{2}+2 x +3 \]

[[_2nd_order, _with_linear_symmetries]]

1.528

15432

\[ {}y^{\prime \prime }+9 y = 52 \,{\mathrm e}^{2 x} \]

[[_2nd_order, _with_linear_symmetries]]

2.529

15433

\[ {}y^{\prime \prime }-6 y^{\prime }+9 y = 27 \,{\mathrm e}^{6 x} \]

[[_2nd_order, _with_linear_symmetries]]

1.362

15434

\[ {}y^{\prime \prime }+4 y^{\prime }-5 y = 30 \,{\mathrm e}^{-4 x} \]

[[_2nd_order, _with_linear_symmetries]]

1.286

15435

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

[[_2nd_order, _missing_y]]

2.139

15436

\[ {}y^{\prime \prime }-3 y^{\prime }-10 y = -5 \,{\mathrm e}^{3 x} \]
i.c.

[[_2nd_order, _with_linear_symmetries]]

1.860

15437

\[ {}y^{\prime \prime }+9 y = 10 \cos \left (2 x \right )+15 \sin \left (2 x \right ) \]

[[_2nd_order, _linear, _nonhomogeneous]]

4.150

15438

\[ {}y^{\prime \prime }-6 y^{\prime }+9 y = 25 \sin \left (6 x \right ) \]

[[_2nd_order, _linear, _nonhomogeneous]]

1.768

15439

\[ {}y^{\prime \prime }+3 y^{\prime } = 26 \cos \left (\frac {x}{3}\right )-12 \sin \left (\frac {x}{3}\right ) \]

[[_2nd_order, _missing_y]]

2.765

15440

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

[[_2nd_order, _linear, _nonhomogeneous]]

1.609

15441

\[ {}y^{\prime \prime }-3 y^{\prime }-10 y = -4 \cos \left (x \right )+7 \sin \left (x \right ) \]
i.c.

[[_2nd_order, _linear, _nonhomogeneous]]

1.733

15442

\[ {}y^{\prime \prime }-3 y^{\prime }-10 y = -200 \]

[[_2nd_order, _missing_x]]

1.222

15443

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

[[_2nd_order, _linear, _nonhomogeneous]]

1.717

15444

\[ {}y^{\prime \prime }-6 y^{\prime }+9 y = 18 x^{2}+3 x +4 \]

[[_2nd_order, _with_linear_symmetries]]

1.408

15445

\[ {}y^{\prime \prime }+9 y = 9 x^{4}-9 \]

[[_2nd_order, _linear, _nonhomogeneous]]

3.731

15446

\[ {}y^{\prime \prime }+9 y = x^{3} \]
i.c.

[[_2nd_order, _linear, _nonhomogeneous]]

3.604

15447

\[ {}y^{\prime \prime }+9 y = 25 x \cos \left (2 x \right ) \]

[[_2nd_order, _linear, _nonhomogeneous]]

4.273

15448

\[ {}y^{\prime \prime }-6 y^{\prime }+9 y = {\mathrm e}^{2 x} \sin \left (x \right ) \]

[[_2nd_order, _linear, _nonhomogeneous]]

1.684

15449

\[ {}y^{\prime \prime }+9 y = 54 x^{2} {\mathrm e}^{3 x} \]

[[_2nd_order, _linear, _nonhomogeneous]]

2.832

15450

\[ {}y^{\prime \prime } = 6 x \,{\mathrm e}^{x} \sin \left (x \right ) \]

[[_2nd_order, _quadrature]]

2.683

15451

\[ {}y^{\prime \prime }-2 y^{\prime }+y = \left (-6 x -8\right ) \cos \left (2 x \right )+\left (8 x -11\right ) \sin \left (2 x \right ) \]

[[_2nd_order, _linear, _nonhomogeneous]]

2.064

15452

\[ {}y^{\prime \prime }-2 y^{\prime }+y = \left (12 x -4\right ) {\mathrm e}^{-5 x} \]

[[_2nd_order, _linear, _nonhomogeneous]]

1.391

15453

\[ {}y^{\prime \prime }+9 y = 39 x \,{\mathrm e}^{2 x} \]
i.c.

[[_2nd_order, _linear, _nonhomogeneous]]

3.067

15454

\[ {}y^{\prime \prime }-3 y^{\prime }-10 y = -3 \,{\mathrm e}^{-2 x} \]

[[_2nd_order, _with_linear_symmetries]]

1.387

15455

\[ {}y^{\prime \prime }+4 y^{\prime } = 20 \]

[[_2nd_order, _missing_x]]

2.232

15456

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

[[_2nd_order, _missing_y]]

2.266

15457

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

[[_2nd_order, _linear, _nonhomogeneous]]

3.815

15458

\[ {}y^{\prime \prime }-6 y^{\prime }+9 y = 10 \,{\mathrm e}^{3 x} \]

[[_2nd_order, _with_linear_symmetries]]

1.391

15459

\[ {}y^{\prime \prime }-3 y^{\prime }-10 y = \left (72 x^{2}-1\right ) {\mathrm e}^{2 x} \]

[[_2nd_order, _linear, _nonhomogeneous]]

1.341

15460

\[ {}y^{\prime \prime }-3 y^{\prime }-10 y = 4 x \,{\mathrm e}^{6 x} \]

[[_2nd_order, _linear, _nonhomogeneous]]

1.319

15461

\[ {}y^{\prime \prime }-10 y^{\prime }+25 y = 6 \,{\mathrm e}^{5 x} \]

[[_2nd_order, _with_linear_symmetries]]

1.367

15462

\[ {}y^{\prime \prime }-10 y^{\prime }+25 y = 6 \,{\mathrm e}^{-5 x} \]

[[_2nd_order, _with_linear_symmetries]]

1.392

15463

\[ {}y^{\prime \prime }+4 y^{\prime }+5 y = 24 \sin \left (3 x \right ) \]

[[_2nd_order, _linear, _nonhomogeneous]]

9.334

15464

\[ {}y^{\prime \prime }+4 y^{\prime }+5 y = 8 \,{\mathrm e}^{-3 x} \]

[[_2nd_order, _with_linear_symmetries]]

8.259

15465

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

[[_2nd_order, _linear, _nonhomogeneous]]

5.291

15466

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

[[_2nd_order, _linear, _nonhomogeneous]]

8.048

15467

\[ {}y^{\prime \prime }-4 y^{\prime }+5 y = 100 \]

[[_2nd_order, _missing_x]]

2.516

15468

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

[[_2nd_order, _with_linear_symmetries]]

7.959

15469

\[ {}y^{\prime \prime }-4 y^{\prime }+5 y = 10 x^{2}+4 x +8 \]

[[_2nd_order, _with_linear_symmetries]]

10.387

15470

\[ {}y^{\prime \prime }+9 y = {\mathrm e}^{2 x} \sin \left (x \right ) \]

[[_2nd_order, _linear, _nonhomogeneous]]

5.656

15471

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

[[_2nd_order, _linear, _nonhomogeneous]]

3.058

15472

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

[[_2nd_order, _linear, _nonhomogeneous]]

2.409

15473

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

[[_2nd_order, _linear, _nonhomogeneous]]

16.437

15474

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

[[_2nd_order, _linear, _nonhomogeneous]]

9.057

15475

\[ {}y^{\prime \prime }-5 y^{\prime }+6 y = x^{2} {\mathrm e}^{-7 x}+2 \,{\mathrm e}^{-7 x} \]

[[_2nd_order, _linear, _nonhomogeneous]]

1.511

15476

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

[[_2nd_order, _with_linear_symmetries]]

1.395

15477

\[ {}y^{\prime \prime }-5 y^{\prime }+6 y = 4 \,{\mathrm e}^{-8 x} \]

[[_2nd_order, _with_linear_symmetries]]

1.259

15478

\[ {}y^{\prime \prime }-5 y^{\prime }+6 y = 4 \,{\mathrm e}^{3 x} \]

[[_2nd_order, _with_linear_symmetries]]

1.245

15479

\[ {}y^{\prime \prime }-5 y^{\prime }+6 y = x^{2} {\mathrm e}^{3 x} \]

[[_2nd_order, _linear, _nonhomogeneous]]

1.372

15480

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

[[_2nd_order, _linear, _nonhomogeneous]]

2.221

15481

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

[[_2nd_order, _linear, _nonhomogeneous]]

2.974

15482

\[ {}y^{\prime \prime }-4 y^{\prime }+20 y = {\mathrm e}^{4 x} \sin \left (2 x \right ) \]

[[_2nd_order, _linear, _nonhomogeneous]]

22.819

15483

\[ {}y^{\prime \prime }-4 y^{\prime }+20 y = {\mathrm e}^{2 x} \sin \left (4 x \right ) \]

[[_2nd_order, _linear, _nonhomogeneous]]

14.502

15484

\[ {}y^{\prime \prime }-4 y^{\prime }+20 y = x^{3} \sin \left (4 x \right ) \]

[[_2nd_order, _linear, _nonhomogeneous]]

24.823

15485

\[ {}y^{\prime \prime }-10 y^{\prime }+25 y = 3 x^{2} {\mathrm e}^{5 x} \]

[[_2nd_order, _linear, _nonhomogeneous]]

1.381

15486

\[ {}y^{\prime \prime }-10 y^{\prime }+25 y = 3 x^{4} \]

[[_2nd_order, _linear, _nonhomogeneous]]

1.450

15487

\[ {}y^{\prime \prime \prime \prime }-4 y^{\prime \prime \prime } = 12 \,{\mathrm e}^{-2 x} \]

[[_high_order, _missing_y]]

0.114

15488

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

[[_high_order, _missing_y]]

0.150

15489

\[ {}y^{\prime \prime \prime \prime }-4 y^{\prime \prime \prime } = 32 \,{\mathrm e}^{4 x} \]

[[_high_order, _missing_y]]

0.118

15490

\[ {}y^{\prime \prime \prime \prime }-4 y^{\prime \prime \prime } = 32 x \]

[[_high_order, _missing_y]]

0.116

15491

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

[[_3rd_order, _with_linear_symmetries]]

0.115

15492

\[ {}y^{\prime \prime \prime }-y^{\prime \prime }+y^{\prime }-y = 30 \cos \left (2 x \right ) \]

[[_3rd_order, _linear, _nonhomogeneous]]

0.150

15493

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

[[_3rd_order, _with_linear_symmetries]]

0.124

15494

\[ {}y^{\left (5\right )}+18 y^{\prime \prime \prime }+81 y^{\prime } = x^{2} {\mathrm e}^{3 x} \]

[[_high_order, _missing_y]]

0.154

15495

\[ {}y^{\left (5\right )}+18 y^{\prime \prime \prime }+81 y^{\prime } = x^{2} \sin \left (3 x \right ) \]

[[_high_order, _missing_y]]

0.779

15496

\[ {}y^{\left (5\right )}+18 y^{\prime \prime \prime }+81 y^{\prime } = x^{2} {\mathrm e}^{3 x} \sin \left (3 x \right ) \]

[[_high_order, _missing_y]]

0.464

15497

\[ {}y^{\prime \prime \prime }-y^{\prime \prime }+y^{\prime }-y = 30 x \cos \left (2 x \right ) \]

[[_3rd_order, _linear, _nonhomogeneous]]

0.215

15498

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

[[_3rd_order, _linear, _nonhomogeneous]]

0.609

15499

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

[[_3rd_order, _linear, _nonhomogeneous]]

0.180

15500

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

[[_3rd_order, _linear, _nonhomogeneous]]

0.154