2.2.146 Problems 14501 to 14600

Table 2.293: Main lookup table. Sorted sequentially by problem number.

#

ODE

CAS classification

Solved?

time (sec)

14501

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

[[_2nd_order, _missing_x]]

1.769

14502

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

[[_2nd_order, _missing_x]]

1.434

14503

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

[[_2nd_order, _missing_x]]

1.479

14504

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

[[_2nd_order, _missing_x]]

1.631

14505

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

[[_2nd_order, _missing_x]]

1.359

14506

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

[[_2nd_order, _missing_x]]

1.795

14507

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

[[_2nd_order, _missing_x]]

2.001

14508

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

[[_2nd_order, _missing_x]]

2.437

14509

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

[[_2nd_order, _missing_x]]

2.931

14510

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

[[_2nd_order, _missing_x]]

2.017

14511

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

[[_2nd_order, _missing_x]]

1.778

14512

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

[[_2nd_order, _missing_x]]

2.012

14513

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

[[_2nd_order, _missing_x]]

2.332

14514

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

[[_2nd_order, _missing_x]]

2.020

14515

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

[[_high_order, _missing_x]]

0.063

14516

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

[[_high_order, _missing_x]]

0.064

14517

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

[[_high_order, _missing_x]]

0.068

14518

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

[[_high_order, _missing_x]]

0.071

14519

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

[[_high_order, _missing_x]]

0.109

14520

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

[[_high_order, _missing_x]]

0.085

14521

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

[[_3rd_order, _missing_x]]

0.071

14522

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

[[_3rd_order, _missing_x]]

0.064

14523

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

[[_3rd_order, _missing_x]]

0.071

14524

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

[[_3rd_order, _missing_x]]

0.074

14525

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

[[_high_order, _missing_x]]

0.072

14526

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

[[_high_order, _missing_x]]

0.078

14527

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

[[_3rd_order, _missing_x]]

0.074

14528

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

[[_3rd_order, _missing_x]]

0.130

14529

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

[[_high_order, _missing_x]]

0.089

14530

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

[[_high_order, _missing_x]]

0.082

14531

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

[[_3rd_order, _missing_x]]

0.072

14532

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

[[_3rd_order, _missing_x]]

0.072

14533

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

[[_high_order, _missing_x]]

0.070

14534

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

[[_high_order, _missing_x]]

0.076

14535

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

[[_high_order, _missing_x]]

0.076

14536

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

[[_high_order, _missing_x]]

0.091

14537

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

[[_high_order, _missing_x]]

0.073

14538

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

[[_high_order, _missing_x]]

0.072

14539

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

[[_high_order, _missing_x]]

0.069

14540

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

[[_high_order, _missing_x]]

0.096

14541

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

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

1.018

14542

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

[[_2nd_order, _exact, _linear, _homogeneous]]

0.802

14543

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

[[_2nd_order, _missing_y]]

0.709

14544

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

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

1.147

14545

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

[[_Emden, _Fowler]]

1.022

14546

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

[[_Emden, _Fowler]]

1.016

14547

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

[[_Emden, _Fowler]]

0.671

14548

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

[[_Emden, _Fowler]]

1.008

14549

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

[[_Emden, _Fowler]]

2.375

14550

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

[[_Emden, _Fowler]]

2.152

14551

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

[[_Emden, _Fowler]]

2.037

14552

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

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

1.227

14553

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

[[_2nd_order, _exact, _linear, _homogeneous]]

1.194

14554

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

[[_Emden, _Fowler]]

1.869

14555

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

[[_2nd_order, _missing_y]]

0.724

14556

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

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

0.920

14557

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

[[_Emden, _Fowler]]

1.844

14558

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

[[_Emden, _Fowler]]

1.081

14559

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

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

1.661

14560

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

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

1.645

14561

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

[[_Emden, _Fowler]]

1.799

14562

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

[[_Emden, _Fowler]]

1.835

14563

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

[[_Emden, _Fowler]]

2.766

14564

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

[[_Emden, _Fowler]]

3.118

14565

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

[[_3rd_order, _with_linear_symmetries]]

0.119

14566

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

[[_3rd_order, _with_linear_symmetries]]

0.123

14567

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

[[_3rd_order, _with_linear_symmetries]]

0.125

14568

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

[[_3rd_order, _with_linear_symmetries]]

0.120

14569

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

[[_high_order, _with_linear_symmetries]]

0.142

14570

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

[[_high_order, _exact, _linear, _homogeneous]]

0.138

14571

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

[[_high_order, _with_linear_symmetries]]

0.129

14572

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

[[_high_order, _exact, _linear, _homogeneous]]

0.138

14573

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

[[_2nd_order, _with_linear_symmetries]]

2.576

14574

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

[[_2nd_order, _with_linear_symmetries]]

2.710

14575

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

[[_2nd_order, _with_linear_symmetries]]

1.351

14576

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

[[_2nd_order, _with_linear_symmetries]]

1.349

14577

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

[[_2nd_order, _missing_x]]

2.590

14578

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

[[_2nd_order, _with_linear_symmetries]]

1.570

14579

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

[[_2nd_order, _with_linear_symmetries]]

1.330

14580

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

[[_2nd_order, _linear, _nonhomogeneous]]

1.881

14581

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

[[_2nd_order, _with_linear_symmetries]]

2.321

14582

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

[[_high_order, _missing_x]]

0.114

14583

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

[[_2nd_order, _with_linear_symmetries]]

1.241

14584

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

[[_2nd_order, _with_linear_symmetries]]

0.985

14585

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

[[_2nd_order, _linear, _nonhomogeneous]]

1.422

14586

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

[[_2nd_order, _linear, _nonhomogeneous]]

1.460

14587

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

[[_2nd_order, _with_linear_symmetries]]

1.443

14588

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

[[_2nd_order, _with_linear_symmetries]]

1.442

14589

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

[[_2nd_order, _with_linear_symmetries]]

1.539

14590

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

[[_2nd_order, _with_linear_symmetries]]

1.417

14591

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

[[_2nd_order, _with_linear_symmetries]]

1.401

14592

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

[[_2nd_order, _with_linear_symmetries]]

1.394

14593

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

[[_2nd_order, _with_linear_symmetries]]

1.471

14594

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

[[_2nd_order, _with_linear_symmetries]]

2.688

14595

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

[[_2nd_order, _with_linear_symmetries]]

1.001

14596

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

[[_2nd_order, _with_linear_symmetries]]

1.509

14597

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

[[_2nd_order, _missing_y]]

1.444

14598

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

[[_2nd_order, _with_linear_symmetries]]

1.596

14599

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

[[_2nd_order, _linear, _nonhomogeneous]]

3.618

14600

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

[[_2nd_order, _linear, _nonhomogeneous]]

1.381