2.2.125 Problems 12401 to 12500

Table 2.263: Main lookup table. Sorted sequentially by problem number.

#

ODE

CAS classification

Solved?

Maple

Mma

Sympy

time(sec)

12401

\begin{align*} 4 y^{\prime \prime } x +2 y^{\prime }-y&=0 \\ \end{align*}

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

1.756

12402

\begin{align*} 4 y^{\prime \prime } x +4 y^{\prime }-\left (2+x \right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

1.289

12403

\begin{align*} 4 y^{\prime \prime } x +4 y-\left (2+x \right ) y+l y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

26.161

12404

\begin{align*} 4 y^{\prime \prime } x +4 m y^{\prime }-\left (x -2 m -4 n \right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

3.382

12405

\begin{align*} 16 y^{\prime \prime } x +8 y^{\prime }-\left (x +a \right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

3.318

12406

\begin{align*} a x y^{\prime \prime }+b y^{\prime }+c y&=0 \\ \end{align*}

[[_Emden, _Fowler]]

0.924

12407

\begin{align*} a x y^{\prime \prime }+\left (b x +3 a \right ) y^{\prime }+3 b y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

3.201

12408

\begin{align*} 5 \left (a x +b \right ) y^{\prime \prime }+8 a y^{\prime }+c \left (a x +b \right )^{{1}/{5}} y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

28.757

12409

\begin{align*} 2 a x y^{\prime \prime }+\left (b x +a \right ) y^{\prime }+c y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

30.635

12410

\begin{align*} 2 a x y^{\prime \prime }+\left (b x +3 a \right ) y^{\prime }+c y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

30.457

12411

\begin{align*} \left (\operatorname {a2} x +\operatorname {b2} \right ) y^{\prime \prime }+\left (\operatorname {a1} x +\operatorname {b1} \right ) y^{\prime }+\left (\operatorname {a0} x +\operatorname {b0} \right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

22.349

12412

\begin{align*} x^{2} y^{\prime \prime }-6 y&=0 \\ \end{align*}

[[_Emden, _Fowler]]

0.329

12413

\begin{align*} x^{2} y^{\prime \prime }-12 y&=0 \\ \end{align*}

[[_Emden, _Fowler]]

0.296

12414

\begin{align*} a y+x^{2} y^{\prime \prime }&=0 \\ \end{align*}

[[_Emden, _Fowler]]

0.617

12415

\begin{align*} x^{2} y^{\prime \prime }+\left (a x +b \right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

0.385

12416

\begin{align*} x^{2} y^{\prime \prime }+\left (x^{2}-2\right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

2.129

12417

\begin{align*} x^{2} y^{\prime \prime }-\left (a \,x^{2}+2\right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

2.178

12418

\begin{align*} x^{2} y^{\prime \prime }+\left (a^{2} x^{2}-6\right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

2.272

12419

\begin{align*} x^{2} y^{\prime \prime }+\left (a \,x^{2}-v \left (v -1\right )\right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

2.246

12420

\begin{align*} x^{2} y^{\prime \prime }+\left (a \,x^{2}+b x +c \right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

2.028

12421

\begin{align*} x^{2} y^{\prime \prime }+\left (a \,x^{k}-b \left (b -1\right )\right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

0.539

12422

\begin{align*} x^{2} y^{\prime \prime }+\frac {y}{\ln \left (x \right )}-x \,{\mathrm e}^{x} \left (2+x \ln \left (x \right )\right )&=0 \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

1.545

12423

\begin{align*} x^{2} y^{\prime \prime }+a y^{\prime }-y x&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

1.280

12424

\begin{align*} x^{2} y^{\prime \prime }+a y^{\prime }-\left (b^{2} x^{2}+a b \right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

2.291

12425

\begin{align*} x^{2} y^{\prime \prime }+y^{\prime } x -y-a \,x^{2}&=0 \\ \end{align*}

[[_2nd_order, _exact, _linear, _nonhomogeneous]]

3.816

12426

\begin{align*} x^{2} y^{\prime \prime }+y^{\prime } x +a y&=0 \\ \end{align*}

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

2.821

12427

\begin{align*} x^{2} y^{\prime \prime }+y^{\prime } x -\left (x +a \right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

0.596

12428

\begin{align*} x^{2} y^{\prime \prime }+y^{\prime } x +\left (-v^{2}+x^{2}\right ) y&=0 \\ \end{align*}

[_Bessel]

2.477

12429

\begin{align*} x^{2} y^{\prime \prime }+y^{\prime } x +\left (-v^{2}+x^{2}\right ) y-f \left (x \right )&=0 \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

2.798

12430

\begin{align*} x^{2} y^{\prime \prime }+y^{\prime } x +\left (l \,x^{2}-v^{2}\right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

2.375

12431

\begin{align*} -y+\left (x +a \right ) y^{\prime }+x^{2} y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _exact, _linear, _homogeneous]]

2.254

12432

\begin{align*} x^{2} y^{\prime \prime }-y^{\prime } x +y-3 x^{3}&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

3.060

12433

\begin{align*} x^{2} y^{\prime \prime }-y^{\prime } x +\left (a \,x^{m}+b \right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

0.862

12434

\begin{align*} x^{2} y^{\prime \prime }+2 y^{\prime } x&=0 \\ \end{align*}

[[_2nd_order, _missing_y]]

1.332

12435

\begin{align*} x^{2} y^{\prime \prime }+2 y^{\prime } x +\left (a x -b^{2}\right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

0.802

12436

\begin{align*} x^{2} y^{\prime \prime }+2 y^{\prime } x +\left (a \,x^{2}+b \right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

2.209

12437

\begin{align*} x^{2} y^{\prime \prime }+2 y^{\prime } x +\left (l \,x^{2}+a x -n \left (n +1\right )\right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

32.076

12438

\begin{align*} x^{2} y^{\prime \prime }+2 \left (x -1\right ) y^{\prime }+a y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

11.730

12439

\begin{align*} x^{2} y^{\prime \prime }+2 \left (x +a \right ) y^{\prime }-b \left (b -1\right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

7.657

12440

\begin{align*} x^{2} y^{\prime \prime }-2 y^{\prime } x +2 y-x^{5} \ln \left (x \right )&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

4.075

12441

\begin{align*} x^{2} y^{\prime \prime }-2 y^{\prime } x -4 y-x \sin \left (x \right )-\left (a \,x^{2}+12 a +4\right ) \cos \left (x \right )&=0 \\ \end{align*}

[[_2nd_order, _exact, _linear, _nonhomogeneous]]

3.279

12442

\begin{align*} x^{2} y^{\prime \prime }-2 y^{\prime } x +\left (x^{2}+2\right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

1.359

12443

\begin{align*} x^{2} y^{\prime \prime }-2 y^{\prime } x +\left (x^{2}+2\right ) y-\frac {x^{2}}{\cos \left (x \right )}&=0 \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

4.245

12444

\begin{align*} x^{2} y^{\prime \prime }-2 y^{\prime } x +\left (x^{2}+2\right ) y-\frac {x^{3}}{\cos \left (x \right )}&=0 \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

1.655

12445

\begin{align*} \left (a^{2} x^{2}+2\right ) y-2 y^{\prime } x +x^{2} y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

2.503

12446

\begin{align*} x^{2} y^{\prime \prime }+3 y^{\prime } x +\left (-v^{2}+x^{2}+1\right ) y-f \left (x \right )&=0 \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

3.014

12447

\begin{align*} x^{2} y^{\prime \prime }+\left (3 x -1\right ) y^{\prime }+y&=0 \\ \end{align*}

[[_2nd_order, _exact, _linear, _homogeneous]]

1.414

12448

\begin{align*} x^{2} y^{\prime \prime }-3 y^{\prime } x +4 y-5 x&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

2.667

12449

\begin{align*} x^{2} y^{\prime \prime }-3 y^{\prime } x -5 y-\ln \left (x \right ) x^{2}&=0 \\ \end{align*}

[[_2nd_order, _exact, _linear, _nonhomogeneous]]

2.574

12450

\begin{align*} x^{2} y^{\prime \prime }-4 y^{\prime } x +6 y-x^{4}+x^{2}&=0 \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

3.671

12451

\begin{align*} x^{2} y^{\prime \prime }+5 y^{\prime } x -\left (2 x^{3}-4\right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

0.661

12452

\begin{align*} x^{2} y^{\prime \prime }-5 y^{\prime } x +8 y-x^{3} \sin \left (x \right )&=0 \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

4.480

12453

\begin{align*} x^{2} y^{\prime \prime }+a x y^{\prime }+b y&=0 \\ \end{align*}

[[_Emden, _Fowler]]

2.797

12454

\begin{align*} x^{2} y^{\prime \prime }+\left (a x +b \right ) y^{\prime }+c y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

7.751

12455

\begin{align*} x^{2} y^{\prime \prime }+a x y^{\prime }+\left (b \,x^{m}+c \right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

0.842

12456

\begin{align*} x^{2} y^{\prime \prime }+x^{2} y^{\prime }+\left (a x +b \right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

2.822

12457

\begin{align*} x^{2} y^{\prime \prime }+x^{2} y^{\prime }-2 y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

2.007

12458

\begin{align*} x^{2} y^{\prime \prime }+\left (x^{2}-1\right ) y^{\prime }-y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

1.825

12459

\begin{align*} x^{2} y^{\prime \prime }+x \left (x +1\right ) y^{\prime }+\left (x -9\right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

1.286

12460

\begin{align*} x^{2} y^{\prime \prime }+x \left (x +1\right ) y^{\prime }+\left (3 x -1\right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

1.356

12461

\begin{align*} -y+x \left (x +3\right ) y^{\prime }+x^{2} y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

8.627

12462

\begin{align*} x^{2} y^{\prime \prime }-x \left (x -1\right ) y^{\prime }+\left (x -1\right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

1.777

12463

\begin{align*} x^{2} y^{\prime \prime }-\left (x^{2}-2 x \right ) y^{\prime }-\left (x +a \right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

10.480

12464

\begin{align*} x^{2} y^{\prime \prime }-\left (x^{2}-2 x \right ) y^{\prime }-\left (3 x +2\right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

1.344

12465

\begin{align*} x^{2} y^{\prime \prime }-x \left (x +4\right ) y^{\prime }+4 y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

1.506

12466

\begin{align*} x^{2} y^{\prime \prime }+2 x^{2} y^{\prime }-v \left (v -1\right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

2.822

12467

\begin{align*} x^{2} y^{\prime \prime }+x \left (2 x +1\right ) y^{\prime }-4 y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

1.370

12468

\begin{align*} 2 \left (x +1\right ) y-2 x \left (x +1\right ) y^{\prime }+x^{2} y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

1.662

12469

\begin{align*} -2 y+a \,x^{2} y^{\prime }+x^{2} y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

2.061

12470

\begin{align*} x^{2} y^{\prime \prime }+\left (a +2 b \right ) x^{2} y^{\prime }+\left (\left (a +b \right ) b \,x^{2}-2\right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

2.190

12471

\begin{align*} x^{2} y^{\prime \prime }+a \,x^{2} y^{\prime }+f \left (x \right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

1.771

12472

\begin{align*} x^{2} y^{\prime \prime }+\left (2 a x +b \right ) x y^{\prime }+\left (a b x +c \,x^{2}+d \right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

12.681

12473

\begin{align*} x^{2} y^{\prime \prime }+\left (a x +b \right ) y^{\prime } x +\left (\operatorname {a1} \,x^{2}+\operatorname {b1} x +\operatorname {c1} \right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

13.476

12474

\begin{align*} x^{2} y^{\prime \prime }+x^{3} y^{\prime }+\left (x^{2}-2\right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

2.292

12475

\begin{align*} x^{2} y^{\prime \prime }+x \left (x^{2}+2\right ) y^{\prime }+\left (x^{2}-2\right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

2.012

12476

\begin{align*} x^{2} y^{\prime \prime }-2 x \left (x^{2}-a \right ) y^{\prime }+\left (2 n \,x^{2}+\left (\left (-1\right )^{n}-1\right ) a \right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

13.041

12477

\begin{align*} \left (4 x^{4}+2 x^{2}+1\right ) y+4 x^{3} y^{\prime }+x^{2} y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

0.603

12478

\begin{align*} x^{2} y^{\prime \prime }+\left (a \,x^{2}+b \right ) x y^{\prime }+f \left (x \right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

2.420

12479

\begin{align*} x^{2} y^{\prime \prime }+\left (x^{3}+1\right ) x y^{\prime }-y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

14.987

12480

\begin{align*} x^{2} y^{\prime \prime }+\left (-x^{4}+\left (2 n +2 a +1\right ) x^{2}+\left (-1\right )^{n} a -a^{2}\right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

3.125

12481

\begin{align*} x^{2} y^{\prime \prime }+\left (a \,x^{n}+b \right ) y^{\prime } x +\left (\operatorname {a1} \,x^{2 n}+\operatorname {b1} \,x^{n}+\operatorname {c1} \right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

12.044

12482

\begin{align*} x^{2} y^{\prime \prime }-\left (2 x^{2} \tan \left (x \right )-x \right ) y^{\prime }-\left (a +x \tan \left (x \right )\right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

35.760

12483

\begin{align*} x^{2} y^{\prime \prime }+\left (2 x^{2} \cot \left (x \right )+x \right ) y^{\prime }+\left (x \cot \left (x \right )+a \right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

33.793

12484

\begin{align*} x^{2} y^{\prime \prime }+2 x f \left (x \right ) y^{\prime }+\left (f^{\prime }\left (x \right ) x +f \left (x \right )^{2}-f \left (x \right )+a \,x^{2}+b x +c \right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

9.446

12485

\begin{align*} x^{2} y^{\prime \prime }+2 x^{2} f \left (x \right ) y^{\prime }+\left (x^{2} \left (f^{\prime }\left (x \right )+f \left (x \right )^{2}+a \right )-v \left (v -1\right )\right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

7.724

12486

\begin{align*} x^{2} y^{\prime \prime }+\left (x -2 x^{2} f \left (x \right )\right ) y^{\prime }+\left (x^{2} \left (1+f \left (x \right )^{2}-f^{\prime }\left (x \right )\right )-f \left (x \right ) x -v^{2}\right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

12.990

12487

\begin{align*} \left (x^{2}+1\right ) y^{\prime \prime }+y^{\prime } x +2 y&=0 \\ \end{align*}

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

2.151

12488

\begin{align*} \left (x^{2}+1\right ) y^{\prime \prime }+y^{\prime } x -9 y&=0 \\ \end{align*}

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

1.558

12489

\begin{align*} \left (x^{2}+1\right ) y^{\prime \prime }+y^{\prime } x +a y&=0 \\ \end{align*}

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

2.171

12490

\begin{align*} y-y^{\prime } x +\left (x^{2}+1\right ) y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

1.671

12491

\begin{align*} \left (x^{2}+1\right ) y^{\prime \prime }+2 y^{\prime } x -v \left (v -1\right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

17.283

12492

\begin{align*} 2 y-2 y^{\prime } x +\left (x^{2}+1\right ) y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

1.475

12493

\begin{align*} \left (x^{2}+1\right ) y^{\prime \prime }+3 y^{\prime } x +a y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

0.750

12494

\begin{align*} \left (x^{2}+1\right ) y^{\prime \prime }+4 y^{\prime } x +2 y-2 \cos \left (x \right )+2 x&=0 \\ \end{align*}

[[_2nd_order, _exact, _linear, _nonhomogeneous]]

1.690

12495

\begin{align*} \left (x^{2}+1\right ) y^{\prime \prime }+a x y^{\prime }+\left (a -2\right ) y&=0 \\ \end{align*}

[[_2nd_order, _exact, _linear, _homogeneous]]

4.522

12496

\begin{align*} \left (x^{2}-1\right ) y^{\prime \prime }-v \left (v +1\right ) y&=0 \\ \end{align*}

[_Gegenbauer]

2.339

12497

\begin{align*} \left (x^{2}-1\right ) y^{\prime \prime }-n \left (n +1\right ) y+\frac {\left (n +1\right ) \operatorname {LegendreP}\left (n +1, x\right )-\left (n +1\right ) x \operatorname {LegendreP}\left (n , x\right )}{x^{2}-1}&=0 \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

2.875

12498

\begin{align*} \left (x^{2}-1\right ) y^{\prime \prime }+y^{\prime } x +2&=0 \\ \end{align*}

[[_2nd_order, _missing_y]]

2.533

12499

\begin{align*} \left (x^{2}-1\right ) y^{\prime \prime }+y^{\prime } x +a y&=0 \\ \end{align*}

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

3.375

12500

\begin{align*} \left (x^{2}-1\right ) y^{\prime \prime }+y^{\prime } x +f \left (x \right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

2.588