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)]‘]]

35.486

12402

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

[[_2nd_order, _with_linear_symmetries]]

3.053

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]]

26.306

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]]

4.921

12405

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

[[_2nd_order, _with_linear_symmetries]]

3.331

12406

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

[[_Emden, _Fowler]]

3.632

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]]

4.986

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]]

27.337

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]]

33.203

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]]

33.217

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]]

29.723

12412

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

[[_Emden, _Fowler]]

1.553

12413

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

[[_Emden, _Fowler]]

1.390

12414

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

[[_Emden, _Fowler]]

1.624

12415

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

[[_2nd_order, _with_linear_symmetries]]

1.540

12416

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

[[_2nd_order, _with_linear_symmetries]]

2.102

12417

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

[[_2nd_order, _with_linear_symmetries]]

2.265

12418

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

[[_2nd_order, _with_linear_symmetries]]

2.475

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]]

2.331

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]]

2.721

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]]

2.122

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]]

1.931

12423

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

[[_2nd_order, _with_linear_symmetries]]

15.276

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]]

4.214

12425

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

[[_2nd_order, _exact, _linear, _nonhomogeneous]]

5.066

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)]‘]]

29.409

12427

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

[[_2nd_order, _with_linear_symmetries]]

27.421

12428

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

[_Bessel]

27.654

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]]

27.367

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]]

3.799

12431

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

[[_2nd_order, _exact, _linear, _homogeneous]]

8.626

12432

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

[[_2nd_order, _with_linear_symmetries]]

4.982

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]]

28.280

12434

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

[[_2nd_order, _missing_y]]

1.534

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]]

28.959

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]]

3.615

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]]

33.963

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]]

17.638

12439

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

[[_2nd_order, _with_linear_symmetries]]

9.107

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]]

5.927

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]]

6.531

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]]

27.941

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]]

28.074

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]]

27.137

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]]

28.587

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]]

34.587

12447

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

[[_2nd_order, _exact, _linear, _homogeneous]]

7.956

12448

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

[[_2nd_order, _with_linear_symmetries]]

4.894

12449

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

[[_2nd_order, _exact, _linear, _nonhomogeneous]]

5.761

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]]

7.704

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]]

4.849

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]]

7.006

12453

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

[[_Emden, _Fowler]]

5.059

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]]

14.561

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]]

8.465

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]]

4.040

12457

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

[[_2nd_order, _with_linear_symmetries]]

2.970

12458

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

[[_2nd_order, _with_linear_symmetries]]

15.761

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]]

16.515

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]]

4.321

12461

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

[[_2nd_order, _with_linear_symmetries]]

15.638

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]]

15.745

12463

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

[[_2nd_order, _with_linear_symmetries]]

17.293

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]]

4.300

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]]

15.731

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]]

4.422

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]]

16.376

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]]

16.903

12469

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

[[_2nd_order, _with_linear_symmetries]]

3.093

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]]

4.622

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]]

5.000

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]]

20.948

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]]

20.151

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]]

17.446

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]]

19.013

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]]

21.495

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]]

16.256

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]]

29.574

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]]

27.614

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]]

4.296

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]]

18.207

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]]

17.711

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]]

42.018

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]]

17.876

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]]

15.364

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]]

21.116

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)]‘]]

8.225

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)]‘]]

18.224

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)]‘]]

9.316

12490

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

[[_2nd_order, _with_linear_symmetries]]

24.430

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]]

31.022

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]]

19.113

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]]

20.740

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]]

21.795

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]]

31.951

12496

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

[_Gegenbauer]

3.922

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]]

4.682

12498

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

[[_2nd_order, _missing_y]]

6.830

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)]‘]]

33.128

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]]

102.887