2.2.125 Problems 12401 to 12500

Table 2.251: Main lookup table. Sorted sequentially by problem number.

#

ODE

CAS classification

Solved?

time (sec)

12401

\[ {}y y^{\prime } = \left (a \,{\mathrm e}^{x}+b \right ) y+c \,{\mathrm e}^{2 x}-a b \,{\mathrm e}^{x}-b^{2} \]

[[_Abel, ‘2nd type‘, ‘class A‘]]

3.293

12402

\[ {}y y^{\prime } = \left (a \left (2 \mu +\lambda \right ) {\mathrm e}^{\lambda x}+b \right ) {\mathrm e}^{\mu x} y+\left (-a^{2} \mu \,{\mathrm e}^{2 \lambda x}-a b \,{\mathrm e}^{\lambda x}+c \right ) {\mathrm e}^{2 \mu x} \]

[[_Abel, ‘2nd type‘, ‘class A‘]]

7.637

12403

\[ {}y y^{\prime } = \left (a \,{\mathrm e}^{\lambda x}+b \right ) y+c \left (a^{2} {\mathrm e}^{2 \lambda x}+a b \left (\lambda x +1\right ) {\mathrm e}^{\lambda x}+b^{2} \lambda x \right ) \]

[[_Abel, ‘2nd type‘, ‘class A‘]]

5.225

12404

\[ {}y y^{\prime } = {\mathrm e}^{\lambda x} \left (2 a \lambda x +a +b \right ) y-{\mathrm e}^{2 \lambda x} \left (a^{2} \lambda \,x^{2}+a b x +c \right ) \]

[[_Abel, ‘2nd type‘, ‘class A‘]]

70.757

12405

\[ {}y y^{\prime } = {\mathrm e}^{a x} \left (2 a \,x^{2}+b +2 x \right ) y+{\mathrm e}^{2 a x} \left (-a \,x^{4}-b \,x^{2}+c \right ) \]

[[_Abel, ‘2nd type‘, ‘class A‘]]

6.033

12406

\[ {}y y^{\prime }+a \left (2 b x +1\right ) {\mathrm e}^{b x} y = -a^{2} b \,x^{2} {\mathrm e}^{2 b x} \]

[[_Abel, ‘2nd type‘, ‘class A‘]]

3.083

12407

\[ {}y y^{\prime }-a \left (1+2 n +2 n \left (n +1\right ) x \right ) {\mathrm e}^{\left (n +1\right ) x} y = -a^{2} n \left (n +1\right ) \left (n x +1\right ) x \,{\mathrm e}^{2 \left (n +1\right ) x} \]

[[_Abel, ‘2nd type‘, ‘class A‘]]

6.960

12408

\[ {}y y^{\prime }+a \left (1+2 b \sqrt {x}\right ) {\mathrm e}^{2 b \sqrt {x}} y = -a^{2} b \,x^{{3}/{2}} {\mathrm e}^{4 b \sqrt {x}} \]

[[_Abel, ‘2nd type‘, ‘class A‘]]

7.936

12409

\[ {}y y^{\prime } = \left (a \cosh \left (x \right )+b \right ) y-a b \sinh \left (x \right )+c \]

[[_Abel, ‘2nd type‘, ‘class A‘]]

9.683

12410

\[ {}y y^{\prime } = \left (a \sinh \left (x \right )+b \right ) y-a b \cosh \left (x \right )+c \]

[[_Abel, ‘2nd type‘, ‘class A‘]]

9.710

12411

\[ {}y y^{\prime } = \left (2 \ln \left (x \right )+a +1\right ) y+x \left (-\ln \left (x \right )^{2}-a \ln \left (x \right )+b \right ) \]

[[_Abel, ‘2nd type‘, ‘class A‘]]

2.210

12412

\[ {}y y^{\prime } = \left (2 \ln \left (x \right )^{2}+2 \ln \left (x \right )+a \right ) y+x \left (-\ln \left (x \right )^{4}-a \ln \left (x \right )^{2}+b \right ) \]

[[_Abel, ‘2nd type‘, ‘class A‘]]

2.600

12413

\[ {}y y^{\prime } = a x \cos \left (\lambda \,x^{2}\right ) y+x \]

[[_Abel, ‘2nd type‘, ‘class A‘]]

5.472

12414

\[ {}y y^{\prime } = a x \sin \left (\lambda \,x^{2}\right ) y+x \]

[[_Abel, ‘2nd type‘, ‘class A‘]]

5.543

12415

\[ {}\left (A y+B x +a \right ) y^{\prime }+B y+k x +b = 0 \]

[[_homogeneous, ‘class C‘], _exact, _rational, [_Abel, ‘2nd type‘, ‘class A‘]]

4.046

12416

\[ {}\left (y+a x +b \right ) y^{\prime } = \alpha y+\beta x +\gamma \]

[[_homogeneous, ‘class C‘], _rational, [_Abel, ‘2nd type‘, ‘class A‘]]

8.300

12417

\[ {}\left (y+a k \,x^{2}+b x +c \right ) y^{\prime } = -a y^{2}+2 a k x y+m y+k \left (k +b -m \right ) x +s \]

[_rational, [_Abel, ‘2nd type‘, ‘class A‘]]

7.608

12418

\[ {}\left (y+A \,x^{n}+a \right ) y^{\prime }+n A \,x^{n -1} y+k \,x^{m}+b = 0 \]

[_exact, _rational, [_1st_order, ‘_with_symmetry_[F(x),G(x)]‘], [_Abel, ‘2nd type‘, ‘class A‘]]

37.058

12419

\[ {}\left (y+a \,x^{n +1}+b \,x^{n}\right ) y^{\prime } = \left (a n \,x^{n}+c \,x^{n -1}\right ) y \]

[_rational, [_Abel, ‘2nd type‘, ‘class A‘]]

4.321

12420

\[ {}x y y^{\prime } = a y^{2}+b y+c \,x^{n}+s \]

[_rational, [_Abel, ‘2nd type‘, ‘class B‘]]

2.622

12421

\[ {}x y y^{\prime } = -n y^{2}+a \left (2 n +1\right ) x y+b y-a^{2} n \,x^{2}-a b x +c \]

[_rational, [_Abel, ‘2nd type‘, ‘class B‘]]

2.281

12422

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

[[_2nd_order, _missing_x]]

3.180

12423

\[ {}y^{\prime \prime }-\left (a x +b \right ) y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.752

12424

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

[[_2nd_order, _with_linear_symmetries]]

0.776

12425

\[ {}y^{\prime \prime }-\left (a \,x^{2}+b \right ) y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.574

12426

\[ {}y^{\prime \prime }+a^{3} x \left (-a x +2\right ) y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

1.450

12427

\[ {}y^{\prime \prime }-\left (a \,x^{2}+b x c \right ) y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.519

12428

\[ {}y^{\prime \prime }-a \,x^{n} y = 0 \]

[[_Emden, _Fowler]]

0.691

12429

\[ {}y^{\prime \prime }-a \left (a \,x^{2 n}+n \,x^{n -1}\right ) y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.340

12430

\[ {}y^{\prime \prime }-a \,x^{n -2} \left (a \,x^{n}+n +1\right ) y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.339

12431

\[ {}y^{\prime \prime }+\left (a \,x^{2 n}+b \,x^{n -1}\right ) y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.329

12432

\[ {}y^{\prime \prime }+a y^{\prime }+b y = 0 \]

[[_2nd_order, _missing_x]]

3.134

12433

\[ {}y^{\prime \prime }+a y^{\prime }+\left (b x +c \right ) y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.510

12434

\[ {}y^{\prime \prime }+a y^{\prime }-\left (b \,x^{2}+c \right ) y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.704

12435

\[ {}y^{\prime \prime }+a y^{\prime }+b \left (-b \,x^{2}+a x +1\right ) y = 0 \]

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

1.319

12436

\[ {}y^{\prime \prime }+a y^{\prime }+b x \left (-b \,x^{3}+a x +2\right ) y = 0 \]

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

1.020

12437

\[ {}y^{\prime \prime }+a y^{\prime }+b \left (-b \,x^{2 n}+a \,x^{n}+n \,x^{n -1}\right ) y = 0 \]

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

0.606

12438

\[ {}y^{\prime \prime }+a y^{\prime }+b \left (-b \,x^{2 n}-a \,x^{n}+n \,x^{n -1}\right ) y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.595

12439

\[ {}y^{\prime \prime }+x y^{\prime }+\left (n -1\right ) y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.618

12440

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

[[_2nd_order, _with_linear_symmetries]]

0.595

12441

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

[[_2nd_order, _with_linear_symmetries]]

0.691

12442

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

[[_2nd_order, _with_linear_symmetries]]

0.664

12443

\[ {}y^{\prime \prime }+a x y^{\prime }+\left (b x +c \right ) y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.747

12444

\[ {}y^{\prime \prime }+2 a x y^{\prime }+\left (b \,x^{4}+a^{2} x^{2}+c x +a \right ) y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.755

12445

\[ {}y^{\prime \prime }+\left (a x +b \right ) y^{\prime }-a y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

1.501

12446

\[ {}y^{\prime \prime }+\left (a x +b \right ) y^{\prime }+a y = 0 \]

[[_2nd_order, _exact, _linear, _homogeneous]]

1.320

12447

\[ {}y^{\prime \prime }+\left (a x +b \right ) y^{\prime }+c \left (a x +b -c \right ) y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

1.405

12448

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

[[_2nd_order, _with_linear_symmetries]]

1.135

12449

\[ {}y^{\prime \prime }+\left (a x +b \right ) y^{\prime }+\left (c x +d \right ) y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.841

12450

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

[[_2nd_order, _with_linear_symmetries]]

1.523

12451

\[ {}y^{\prime \prime }+2 \left (a x +b \right ) y^{\prime }+\left (a^{2} x^{2}+2 a b x +c \right ) y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

38.786

12452

\[ {}y^{\prime \prime }+\left (a x +b \right ) y^{\prime }+\left (\alpha \,x^{2}+\beta x +\gamma \right ) y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

2.605

12453

\[ {}y^{\prime \prime }+\left (a x +b \right ) y^{\prime }+c \left (-c \,x^{2 n}+a \,x^{n +1}+b \,x^{n}+n \,x^{n -1}\right ) y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.833

12454

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

[[_2nd_order, _with_linear_symmetries]]

1.304

12455

\[ {}y^{\prime \prime }+\left (a \,x^{2}+b \right ) y^{\prime }+c \left (a \,x^{2}+b -c \right ) y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

1.295

12456

\[ {}y^{\prime \prime }+\left (a \,x^{2}+2 b \right ) y^{\prime }+\left (a b \,x^{2}-a x +b^{2}\right ) y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

1.350

12457

\[ {}y^{\prime \prime }+\left (2 x^{2}+a \right ) y^{\prime }+\left (x^{4}+a \,x^{2}+b +2 x \right ) y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

38.116

12458

\[ {}y^{\prime \prime }+\left (a \,x^{2}+b x \right ) y^{\prime }+\left (\alpha \,x^{2}+\beta x +\gamma \right ) y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.868

12459

\[ {}y^{\prime \prime }+\left (a b \,x^{2}+b x +2 a \right ) y^{\prime }+a^{2} \left (b \,x^{2}+1\right ) y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

1.467

12460

\[ {}y^{\prime \prime }+\left (a \,x^{2}+b x +c \right ) y^{\prime }+x \left (a b \,x^{2}+c b +2 a \right ) y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

1.361

12461

\[ {}y^{\prime \prime }+\left (a \,x^{2}+b x +c \right ) y^{\prime }+\left (a b \,x^{3}+a c \,x^{2}+b \right ) y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

1.358

12462

\[ {}y^{\prime \prime }+\left (a \,x^{3}+2 b \right ) y^{\prime }+\left (a b \,x^{3}-a \,x^{2}+b^{2}\right ) y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

1.372

12463

\[ {}y^{\prime \prime }+\left (a \,x^{3}+b x \right ) y^{\prime }+2 \left (2 a \,x^{2}+b \right ) y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

1.063

12464

\[ {}y^{\prime \prime }+\left (a b \,x^{3}+b \,x^{2}+2 a \right ) y^{\prime }+a^{2} \left (b \,x^{3}+1\right ) y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

1.525

12465

\[ {}y^{\prime \prime }+a \,x^{n} y^{\prime } = 0 \]

[[_2nd_order, _missing_y]]

0.865

12466

\[ {}y^{\prime \prime }+a \,x^{n} y^{\prime }+b \,x^{n -1} y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.815

12467

\[ {}y^{\prime \prime }+2 a \,x^{n} y^{\prime }+a \left (a \,x^{2 n}+n \,x^{n -1}\right ) y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.976

12468

\[ {}y^{\prime \prime }+a \,x^{n} y^{\prime }+\left (b \,x^{2 n}+c \,x^{n -1}\right ) y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.957

12469

\[ {}y^{\prime \prime }+a \,x^{n} y^{\prime }-b \left (a \,x^{m +n}+b \,x^{2 m}+m \,x^{m -1}\right ) y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

1.157

12470

\[ {}y^{\prime \prime }+2 a \,x^{n} y^{\prime }+\left (a^{2} x^{2 n}+b \,x^{2 m}+a n \,x^{n -1}+c \,x^{m -1}\right ) y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

1.197

12471

\[ {}y^{\prime \prime }+\left (a \,x^{n}+b \right ) y^{\prime }+c \left (a \,x^{n}+b -c \right ) y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.803

12472

\[ {}y^{\prime \prime }+\left (a \,x^{n}+2 b \right ) y^{\prime }+\left (a b \,x^{n}-a \,x^{n -1}+b^{2}\right ) y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.836

12473

\[ {}y^{\prime \prime }+\left (a b \,x^{n}+b \,x^{n -1}+2 a \right ) y^{\prime }+a^{2} \left (b \,x^{n}+1\right ) y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

1.183

12474

\[ {}y^{\prime \prime }+\left (a b \,x^{n}+2 b \,x^{n -1}-a^{2} x \right ) y^{\prime }+a \left (a b \,x^{n}+b \,x^{n -1}-a^{2} x \right ) y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

1.609

12475

\[ {}y^{\prime \prime }+x^{n} \left (a \,x^{2}+\left (a c +b \right ) x +c b \right ) y^{\prime }-x^{n} \left (a x +b \right ) y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

1.223

12476

\[ {}y^{\prime \prime }+\left (a \,x^{n}+b \,x^{m}\right ) y^{\prime }-\left (a \,x^{n -1}+b \,x^{m -1}\right ) y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

1.516

12477

\[ {}y^{\prime \prime }+\left (a \,x^{n}+b \,x^{m}\right ) y^{\prime }+\left (a n \,x^{n -1}+b m \,x^{m -1}\right ) y = 0 \]

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

1.881

12478

\[ {}y^{\prime \prime }+\left (a \,x^{n}+b \,x^{m}\right ) y^{\prime }+\left (a \left (n +1\right ) x^{n -1}+b \left (m +1\right ) x^{m -1}\right ) y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

3.104

12479

\[ {}y^{\prime \prime }+\left (a \,x^{n}+b \,x^{m}\right ) y^{\prime }+c \left (a \,x^{n}+b \,x^{m}-c \right ) y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

1.045

12480

\[ {}y^{\prime \prime }+\left (a \,x^{n}+b \,x^{m}\right ) y^{\prime }+\left (a b \,x^{m +n}+b \left (m +1\right ) x^{m -1}-a \,x^{n -1}\right ) y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

1.138

12481

\[ {}y^{\prime \prime }+\left (a \,x^{n}+b \,x^{m}+c \right ) y^{\prime }+\left (a b \,x^{m +n}+b c \,x^{m}+a n \,x^{n -1}\right ) y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

1.184

12482

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

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

1.471

12483

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

[[_Emden, _Fowler]]

0.785

12484

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

[[_2nd_order, _with_linear_symmetries]]

0.926

12485

\[ {}x y^{\prime \prime }+a y^{\prime }+\left (b x +c \right ) y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.938

12486

\[ {}x y^{\prime \prime }+n y^{\prime }+b \,x^{1-2 n} y = 0 \]

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

1.043

12487

\[ {}x y^{\prime \prime }+\left (1-3 n \right ) y^{\prime }-a^{2} n^{2} x^{2 n -1} y = 0 \]

[[_Emden, _Fowler]]

0.552

12488

\[ {}x y^{\prime \prime }+a y^{\prime }+b \,x^{n} y = 0 \]

[[_Emden, _Fowler]]

0.928

12489

\[ {}x y^{\prime \prime }+a y^{\prime }+b \,x^{n} \left (-b \,x^{n +1}+a +n \right ) y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.683

12490

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

[[_2nd_order, _exact, _linear, _homogeneous]]

1.221

12491

\[ {}x y^{\prime \prime }+\left (b -x \right ) y^{\prime }-a y = 0 \]

[_Laguerre]

0.938

12492

\[ {}x y^{\prime \prime }+\left (a x +b \right ) y^{\prime }+c \left (\left (a -c \right ) x +b \right ) y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

1.369

12493

\[ {}x y^{\prime \prime }+\left (2 a x +b \right ) y^{\prime }+a \left (a x +b \right ) y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.990

12494

\[ {}x y^{\prime \prime }+\left (\left (a +b \right ) x +n +m \right ) y^{\prime }+\left (a b x +a n +b m \right ) y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

1.628

12495

\[ {}x y^{\prime \prime }+\left (a x +b \right ) y^{\prime }+\left (c x +d \right ) y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

1.951

12496

\[ {}x y^{\prime \prime }-\left (a x +1\right ) y^{\prime }-b \,x^{2} \left (b x +a \right ) y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

1.434

12497

\[ {}x y^{\prime \prime }-\left (2 a x +1\right ) y^{\prime }+\left (b \,x^{3}+a^{2} x +a \right ) y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

1.378

12498

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

[[_2nd_order, _missing_y]]

1.145

12499

\[ {}x y^{\prime \prime }-\left (2 a x +1\right ) y^{\prime }+b \,x^{3} y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

0.749

12500

\[ {}x y^{\prime \prime }+\left (a b \,x^{2}+b -5\right ) y^{\prime }+2 a^{2} \left (b -2\right ) x^{3} y = 0 \]

[[_2nd_order, _with_linear_symmetries]]

1.678