2.2.154 Problems 15301 to 15400

Table 2.309: Main lookup table. Sorted sequentially by problem number.

#

ODE

CAS classification

Solved?

time (sec)

15301

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

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

1.626

15302

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

[[_Emden, _Fowler]]

1.961

15303

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

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

2.245

15304

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

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

1.919

15305

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

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

1.112

15306

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

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

1.280

15307

\[ {}y^{\prime \prime \prime }+4 y^{\prime } = 0 \]
i.c.

[[_3rd_order, _missing_x]]

0.083

15308

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

[[_high_order, _missing_x]]

0.091

15309

\[ {}y^{\prime \prime }-4 y = 0 \]
i.c.

[[_2nd_order, _missing_x]]

2.848

15310

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

[[_2nd_order, _missing_x]]

1.627

15311

\[ {}y^{\prime \prime }-10 y^{\prime }+9 y = 0 \]
i.c.

[[_2nd_order, _missing_x]]

1.645

15312

\[ {}y^{\prime \prime }+5 y^{\prime } = 0 \]
i.c.

[[_2nd_order, _missing_x]]

1.363

15313

\[ {}y^{\prime \prime \prime }-9 y^{\prime } = 0 \]

[[_3rd_order, _missing_x]]

0.065

15314

\[ {}y^{\prime \prime \prime \prime }-10 y^{\prime \prime }+9 y = 0 \]

[[_high_order, _missing_x]]

0.070

15315

\[ {}y^{\prime \prime }-7 y^{\prime }+10 y = 0 \]

[[_2nd_order, _missing_x]]

1.061

15316

\[ {}y^{\prime \prime }+2 y^{\prime }-24 y = 0 \]

[[_2nd_order, _missing_x]]

1.074

15317

\[ {}y^{\prime \prime }-25 y = 0 \]

[[_2nd_order, _missing_x]]

2.417

15318

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

[[_2nd_order, _missing_x]]

1.919

15319

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

[[_2nd_order, _missing_x]]

2.181

15320

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

[[_2nd_order, _missing_x]]

1.089

15321

\[ {}y^{\prime \prime }-8 y^{\prime }+15 y = 0 \]
i.c.

[[_2nd_order, _missing_x]]

1.640

15322

\[ {}y^{\prime \prime }-8 y^{\prime }+15 y = 0 \]
i.c.

[[_2nd_order, _missing_x]]

1.616

15323

\[ {}y^{\prime \prime }-8 y^{\prime }+15 y = 0 \]
i.c.

[[_2nd_order, _missing_x]]

1.660

15324

\[ {}y^{\prime \prime }-9 y = 0 \]
i.c.

[[_2nd_order, _missing_x]]

2.861

15325

\[ {}y^{\prime \prime }-9 y = 0 \]
i.c.

[[_2nd_order, _missing_x]]

2.852

15326

\[ {}y^{\prime \prime }-9 y = 0 \]
i.c.

[[_2nd_order, _missing_x]]

2.838

15327

\[ {}y^{\prime \prime }-10 y^{\prime }+25 y = 0 \]

[[_2nd_order, _missing_x]]

1.175

15328

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

[[_2nd_order, _missing_x]]

1.162

15329

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

[[_2nd_order, _missing_x]]

1.184

15330

\[ {}25 y^{\prime \prime }-10 y^{\prime }+y = 0 \]

[[_2nd_order, _missing_x]]

1.200

15331

\[ {}16 y^{\prime \prime }-24 y^{\prime }+9 y = 0 \]

[[_2nd_order, _missing_x]]

1.203

15332

\[ {}9 y^{\prime \prime }+12 y^{\prime }+4 y = 0 \]

[[_2nd_order, _missing_x]]

1.190

15333

\[ {}y^{\prime \prime }-8 y^{\prime }+16 y = 0 \]
i.c.

[[_2nd_order, _missing_x]]

1.509

15334

\[ {}y^{\prime \prime }-8 y^{\prime }+16 y = 0 \]
i.c.

[[_2nd_order, _missing_x]]

1.487

15335

\[ {}y^{\prime \prime }-8 y^{\prime }+16 y = 0 \]
i.c.

[[_2nd_order, _missing_x]]

1.508

15336

\[ {}4 y^{\prime \prime }+4 y^{\prime }+y = 0 \]
i.c.

[[_2nd_order, _missing_x]]

1.543

15337

\[ {}4 y^{\prime \prime }+4 y^{\prime }+y = 0 \]
i.c.

[[_2nd_order, _missing_x]]

1.499

15338

\[ {}4 y^{\prime \prime }+4 y^{\prime }+y = 0 \]
i.c.

[[_2nd_order, _missing_x]]

1.536

15339

\[ {}y^{\prime \prime }+25 y = 0 \]

[[_2nd_order, _missing_x]]

2.272

15340

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

[[_2nd_order, _missing_x]]

1.916

15341

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

[[_2nd_order, _missing_x]]

1.961

15342

\[ {}y^{\prime \prime }-4 y^{\prime }+29 y = 0 \]

[[_2nd_order, _missing_x]]

2.084

15343

\[ {}9 y^{\prime \prime }+18 y^{\prime }+10 y = 0 \]

[[_2nd_order, _missing_x]]

1.779

15344

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

[[_2nd_order, _missing_x]]

2.210

15345

\[ {}y^{\prime \prime }+16 y = 0 \]
i.c.

[[_2nd_order, _missing_x]]

2.388

15346

\[ {}y^{\prime \prime }+16 y = 0 \]
i.c.

[[_2nd_order, _missing_x]]

2.953

15347

\[ {}y^{\prime \prime }+16 y = 0 \]
i.c.

[[_2nd_order, _missing_x]]

3.444

15348

\[ {}y^{\prime \prime }-4 y^{\prime }+13 y = 0 \]
i.c.

[[_2nd_order, _missing_x]]

2.818

15349

\[ {}y^{\prime \prime }-4 y^{\prime }+13 y = 0 \]
i.c.

[[_2nd_order, _missing_x]]

2.119

15350

\[ {}y^{\prime \prime }-4 y^{\prime }+13 y = 0 \]
i.c.

[[_2nd_order, _missing_x]]

2.834

15351

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

[[_2nd_order, _missing_x]]

2.975

15352

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

[[_2nd_order, _missing_x]]

2.990

15353

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

[[_high_order, _missing_x]]

0.065

15354

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

[[_high_order, _missing_x]]

0.069

15355

\[ {}y^{\prime \prime \prime \prime }-34 y^{\prime \prime }+225 y = 0 \]

[[_high_order, _missing_x]]

0.108

15356

\[ {}y^{\prime \prime \prime \prime }-81 y = 0 \]

[[_high_order, _missing_x]]

0.074

15357

\[ {}y^{\prime \prime \prime \prime }-18 y^{\prime \prime }+81 y = 0 \]

[[_high_order, _missing_x]]

0.075

15358

\[ {}y^{\left (5\right )}+18 y^{\prime \prime \prime }+81 y^{\prime } = 0 \]

[[_high_order, _missing_x]]

0.088

15359

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

[[_3rd_order, _missing_x]]

0.072

15360

\[ {}y^{\prime \prime \prime }-6 y^{\prime \prime }+11 y^{\prime }-6 y = 0 \]

[[_3rd_order, _missing_x]]

0.066

15361

\[ {}y^{\prime \prime \prime }-8 y^{\prime \prime }+37 y^{\prime }-50 y = 0 \]

[[_3rd_order, _missing_x]]

0.076

15362

\[ {}y^{\prime \prime \prime }-9 y^{\prime \prime }+31 y^{\prime }-39 y = 0 \]

[[_3rd_order, _missing_x]]

0.078

15363

\[ {}y^{\prime \prime \prime \prime }+y^{\prime \prime \prime }+2 y^{\prime \prime }+4 y^{\prime }-8 y = 0 \]

[[_high_order, _missing_x]]

0.079

15364

\[ {}y^{\prime \prime \prime \prime }+2 y^{\prime \prime \prime }+10 y^{\prime \prime }+18 y^{\prime }+9 y = 0 \]

[[_high_order, _missing_x]]

0.082

15365

\[ {}y^{\prime \prime \prime }+4 y^{\prime } = 0 \]
i.c.

[[_3rd_order, _missing_x]]

0.082

15366

\[ {}y^{\prime \prime \prime }-6 y^{\prime \prime }+12 y^{\prime }-8 y = 0 \]
i.c.

[[_3rd_order, _missing_x]]

0.141

15367

\[ {}y^{\prime \prime \prime \prime }+26 y^{\prime \prime }+25 y = 0 \]
i.c.

[[_high_order, _missing_x]]

0.098

15368

\[ {}y^{\prime \prime \prime \prime }+y^{\prime \prime \prime }+9 y^{\prime \prime }+9 y^{\prime } = 0 \]
i.c.

[[_high_order, _missing_x]]

0.096

15369

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

[[_3rd_order, _missing_x]]

0.076

15370

\[ {}y^{\prime \prime \prime }+216 y = 0 \]

[[_3rd_order, _missing_x]]

0.074

15371

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

[[_high_order, _missing_x]]

0.076

15372

\[ {}y^{\prime \prime \prime \prime }+13 y^{\prime \prime }+36 y = 0 \]

[[_high_order, _missing_x]]

0.079

15373

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

[[_high_order, _missing_x]]

0.080

15374

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

[[_high_order, _missing_x]]

0.094

15375

\[ {}16 y^{\prime \prime \prime \prime }-y = 0 \]

[[_high_order, _missing_x]]

0.110

15376

\[ {}4 y^{\prime \prime \prime \prime }+15 y^{\prime \prime }-4 y = 0 \]

[[_high_order, _missing_x]]

0.076

15377

\[ {}y^{\prime \prime \prime \prime }-4 y^{\prime \prime \prime }+16 y^{\prime }-16 y = 0 \]

[[_high_order, _missing_x]]

0.077

15378

\[ {}y^{\left (6\right )}+16 y^{\prime \prime \prime }+64 y = 0 \]

[[_high_order, _missing_x]]

0.094

15379

\[ {}x^{2} y^{\prime \prime }-5 y^{\prime } x +8 y = 0 \]

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

1.081

15380

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

[[_2nd_order, _exact, _linear, _homogeneous]]

0.852

15381

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

[[_2nd_order, _missing_y]]

0.746

15382

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

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

1.198

15383

\[ {}x^{2} y^{\prime \prime }-5 y^{\prime } x +9 y = 0 \]

[[_Emden, _Fowler]]

1.106

15384

\[ {}x^{2} y^{\prime \prime }+5 y^{\prime } x +4 y = 0 \]

[[_Emden, _Fowler]]

1.089

15385

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

[[_Emden, _Fowler]]

0.748

15386

\[ {}x^{2} y^{\prime \prime }-19 y^{\prime } x +100 y = 0 \]

[[_Emden, _Fowler]]

1.091

15387

\[ {}x^{2} y^{\prime \prime }-5 y^{\prime } x +29 y = 0 \]

[[_Emden, _Fowler]]

2.905

15388

\[ {}x^{2} y^{\prime \prime }-y^{\prime } x +10 y = 0 \]

[[_Emden, _Fowler]]

2.488

15389

\[ {}x^{2} y^{\prime \prime }+5 y^{\prime } x +29 y = 0 \]

[[_Emden, _Fowler]]

2.332

15390

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

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

1.228

15391

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

[[_2nd_order, _exact, _linear, _homogeneous]]

1.293

15392

\[ {}4 x^{2} y^{\prime \prime }+37 y = 0 \]

[[_Emden, _Fowler]]

0.857

15393

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

[[_2nd_order, _missing_y]]

0.727

15394

\[ {}x^{2} y^{\prime \prime }+y^{\prime } x -25 y = 0 \]

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

0.927

15395

\[ {}4 x^{2} y^{\prime \prime }+8 y^{\prime } x +5 y = 0 \]

[[_Emden, _Fowler]]

2.047

15396

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

[[_Emden, _Fowler]]

1.105

15397

\[ {}x^{2} y^{\prime \prime }-2 y^{\prime } x -10 y = 0 \]
i.c.

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

1.710

15398

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

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

1.635

15399

\[ {}x^{2} y^{\prime \prime }-11 y^{\prime } x +36 y = 0 \]
i.c.

[[_Emden, _Fowler]]

1.842

15400

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

[[_Emden, _Fowler]]

1.940