2.2.25 Problems 2401 to 2500

Table 2.67: Main lookup table. Sorted sequentially by problem number.

#

ODE

CAS classification

Solved?

Maple

Mma

Sympy

time(sec)

2401

\begin{align*} y^{\prime \prime }+y&=\sec \left (t \right ) \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

0.603

2402

\begin{align*} y^{\prime \prime }-4 y^{\prime }+4 y&={\mathrm e}^{2 t} t \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

0.581

2403

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

[[_2nd_order, _linear, _nonhomogeneous]]

0.620

2404

\begin{align*} y^{\prime \prime }-3 y^{\prime }+2 y&=t \,{\mathrm e}^{3 t}+1 \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

0.502

2405

\begin{align*} 3 y^{\prime \prime }+4 y^{\prime }+y&=\sin \left (t \right ) {\mathrm e}^{-t} \\ y \left (0\right ) &= 1 \\ y^{\prime }\left (0\right ) &= 0 \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

0.694

2406

\begin{align*} y^{\prime \prime }+4 y^{\prime }+4 y&=t^{{5}/{2}} {\mathrm e}^{-2 t} \\ y \left (0\right ) &= 0 \\ y^{\prime }\left (0\right ) &= 0 \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

0.909

2407

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

[[_2nd_order, _linear, _nonhomogeneous]]

0.916

2408

\begin{align*} y^{\prime \prime }-y&=f \left (t \right ) \\ y \left (0\right ) &= 0 \\ y^{\prime }\left (0\right ) &= 0 \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

0.729

2409

\begin{align*} y^{\prime \prime }+\frac {t^{2} y}{4}&=f \cos \left (t \right ) \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

1.026

2410

\begin{align*} y^{\prime \prime }-\frac {2 t y^{\prime }}{t^{2}+1}+\frac {2 y}{t^{2}+1}&=t^{2}+1 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

1.364

2411

\begin{align*} m y^{\prime \prime }+c y^{\prime }+k y&=F_{0} \cos \left (\omega t \right ) \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

0.932

2412

\begin{align*} y^{\prime \prime }+y^{\prime } t +y&=0 \\ \end{align*}
Series expansion around \(t=0\).

[[_2nd_order, _exact, _linear, _homogeneous]]

0.348

2413

\begin{align*} y^{\prime \prime }-t y&=0 \\ \end{align*}
Series expansion around \(t=0\).

[[_Emden, _Fowler]]

0.293

2414

\begin{align*} \left (t^{2}+2\right ) y^{\prime \prime }-y^{\prime } t -3 y&=0 \\ \end{align*}
Series expansion around \(t=0\).

[[_2nd_order, _exact, _linear, _homogeneous]]

0.408

2415

\begin{align*} y^{\prime \prime }-y t^{3}&=0 \\ \end{align*}
Series expansion around \(t=0\).

[[_Emden, _Fowler]]

0.290

2416

\begin{align*} t \left (2-t \right ) y^{\prime \prime }-6 \left (t -1\right ) y^{\prime }-4 y&=0 \\ y \left (1\right ) &= 1 \\ y^{\prime }\left (1\right ) &= 0 \\ \end{align*}
Series expansion around \(t=1\).

[[_2nd_order, _exact, _linear, _homogeneous]]

0.477

2417

\begin{align*} y^{\prime \prime }+t^{2} y&=0 \\ y \left (0\right ) &= 2 \\ y^{\prime }\left (0\right ) &= -1 \\ \end{align*}
Series expansion around \(t=0\).

[[_Emden, _Fowler]]

0.306

2418

\begin{align*} y^{\prime \prime }-y t^{3}&=0 \\ y \left (0\right ) &= 0 \\ y^{\prime }\left (0\right ) &= -2 \\ \end{align*}
Series expansion around \(t=0\).

[[_Emden, _Fowler]]

0.269

2419

\begin{align*} y^{\prime \prime }+\left (t^{2}+2 t +1\right ) y^{\prime }-\left (4+4 t \right ) y&=0 \\ y \left (-1\right ) &= 0 \\ y^{\prime }\left (-1\right ) &= 1 \\ \end{align*}
Series expansion around \(t=-1\).

[[_2nd_order, _with_linear_symmetries]]

0.431

2420

\begin{align*} y^{\prime \prime }-2 y^{\prime } t +\lambda y&=0 \\ \end{align*}
Series expansion around \(t=0\).

[[_2nd_order, _with_linear_symmetries]]

0.406

2421

\begin{align*} \left (-t^{2}+1\right ) y^{\prime \prime }-2 y^{\prime } t +\alpha \left (\alpha +1\right ) y&=0 \\ \end{align*}
Series expansion around \(t=0\).

[_Gegenbauer]

0.602

2422

\begin{align*} \left (-t^{2}+1\right ) y^{\prime \prime }-y^{\prime } t +\alpha ^{2} y&=0 \\ \end{align*}
Series expansion around \(t=0\).

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

0.522

2423

\begin{align*} y^{\prime \prime }+t^{3} y^{\prime }+3 t^{2} y&=0 \\ \end{align*}
Series expansion around \(t=0\).

[[_2nd_order, _exact, _linear, _homogeneous]]

0.360

2424

\begin{align*} y^{\prime \prime }+t^{3} y^{\prime }+3 t^{2} y&=0 \\ y \left (0\right ) &= 0 \\ y^{\prime }\left (0\right ) &= 0 \\ \end{align*}
Series expansion around \(t=0\).

[[_2nd_order, _exact, _linear, _homogeneous]]

0.337

2425

\begin{align*} \left (1-t \right ) y^{\prime \prime }+y^{\prime } t +y&=0 \\ y \left (0\right ) &= 1 \\ y^{\prime }\left (0\right ) &= 0 \\ \end{align*}
Series expansion around \(t=0\).

[[_2nd_order, _exact, _linear, _homogeneous]]

0.403

2426

\begin{align*} y^{\prime \prime }+y^{\prime }+t y&=0 \\ y \left (0\right ) &= -1 \\ y^{\prime }\left (0\right ) &= 2 \\ \end{align*}
Series expansion around \(t=0\).

[[_2nd_order, _with_linear_symmetries]]

0.377

2427

\begin{align*} y^{\prime \prime }+y^{\prime } t +{\mathrm e}^{t} y&=0 \\ y \left (0\right ) &= 1 \\ y^{\prime }\left (0\right ) &= 0 \\ \end{align*}
Series expansion around \(t=0\).

[[_2nd_order, _with_linear_symmetries]]

0.568

2428

\begin{align*} y^{\prime \prime }+y^{\prime }+{\mathrm e}^{t} y&=0 \\ y \left (0\right ) &= 0 \\ y^{\prime }\left (0\right ) &= -1 \\ \end{align*}
Series expansion around \(t=0\).

[[_2nd_order, _with_linear_symmetries]]

0.500

2429

\begin{align*} y^{\prime \prime }+y^{\prime }+{\mathrm e}^{-t} y&=0 \\ y \left (0\right ) &= 3 \\ y^{\prime }\left (0\right ) &= 5 \\ \end{align*}
Series expansion around \(t=0\).

[[_2nd_order, _with_linear_symmetries]]

0.685

2430

\begin{align*} t^{2} y^{\prime \prime }-5 y^{\prime } t +9 y&=0 \\ \end{align*}

[[_Emden, _Fowler]]

1.076

2431

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

[[_Emden, _Fowler]]

1.015

2432

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

[[_2nd_order, _exact, _linear, _homogeneous]]

1.115

2433

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

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

1.597

2434

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

[[_2nd_order, _exact, _linear, _homogeneous]]

1.295

2435

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

[[_Emden, _Fowler]]

1.259

2436

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

[[_2nd_order, _with_linear_symmetries]]

1.089

2437

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

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

1.176

2438

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

[[_Emden, _Fowler]]

1.697

2439

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

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

1.332

2440

\begin{align*} t \left (-2+t \right )^{2} y^{\prime \prime }+y^{\prime } t +y&=0 \\ \end{align*}
Series expansion around \(t=0\).

[[_2nd_order, _with_linear_symmetries]]

3.014

2441

\begin{align*} t \left (-2+t \right )^{2} y^{\prime \prime }+y^{\prime } t +y&=0 \\ \end{align*}
Series expansion around \(t=2\).

[[_2nd_order, _with_linear_symmetries]]

0.217

2442

\begin{align*} \sin \left (t \right ) y^{\prime \prime }+\cos \left (t \right ) y^{\prime }+\frac {y}{t}&=0 \\ \end{align*}
Series expansion around \(t=0\).

[[_2nd_order, _with_linear_symmetries]]

0.750

2443

\begin{align*} \left ({\mathrm e}^{t}-1\right ) y^{\prime \prime }+{\mathrm e}^{t} y^{\prime }+y&=0 \\ \end{align*}
Series expansion around \(t=0\).

[[_2nd_order, _with_linear_symmetries]]

1.022

2444

\begin{align*} \left (-t^{2}+1\right ) y^{\prime \prime }+\frac {y^{\prime }}{\sin \left (1+t \right )}+y&=0 \\ \end{align*}
Series expansion around \(t=-1\).

[[_2nd_order, _with_linear_symmetries]]

0.454

2445

\begin{align*} t^{3} y^{\prime \prime }+\sin \left (t^{3}\right ) y^{\prime }+t y&=0 \\ \end{align*}
Series expansion around \(t=0\).

[[_2nd_order, _with_linear_symmetries]]

0.747

2446

\begin{align*} 2 t^{2} y^{\prime \prime }+3 y^{\prime } t -\left (1+t \right ) y&=0 \\ \end{align*}
Series expansion around \(t=0\).

[[_2nd_order, _with_linear_symmetries]]

0.839

2447

\begin{align*} 2 t y^{\prime \prime }+\left (1-2 t \right ) y^{\prime }-y&=0 \\ \end{align*}
Series expansion around \(t=0\).

[_Laguerre]

0.828

2448

\begin{align*} 2 t y^{\prime \prime }+\left (1+t \right ) y^{\prime }-2 y&=0 \\ \end{align*}
Series expansion around \(t=0\).

[[_2nd_order, _with_linear_symmetries]]

0.886

2449

\begin{align*} 2 t^{2} y^{\prime \prime }-y^{\prime } t +\left (1+t \right ) y&=0 \\ \end{align*}
Series expansion around \(t=0\).

[[_2nd_order, _with_linear_symmetries]]

0.820

2450

\begin{align*} 4 t y^{\prime \prime }+3 y^{\prime }-3 y&=0 \\ \end{align*}
Series expansion around \(t=0\).

[[_Emden, _Fowler]]

0.832

2451

\begin{align*} 2 t^{2} y^{\prime \prime }+\left (t^{2}-t \right ) y^{\prime }+y&=0 \\ \end{align*}
Series expansion around \(t=0\).

[[_2nd_order, _with_linear_symmetries]]

0.818

2452

\begin{align*} t^{3} y^{\prime \prime }-y^{\prime } t -\left (t^{2}+\frac {5}{4}\right ) y&=0 \\ \end{align*}
Series expansion around \(t=0\).

[[_2nd_order, _with_linear_symmetries]]

0.118

2453

\begin{align*} t^{2} y^{\prime \prime }+\left (-t^{2}+t \right ) y^{\prime }-y&=0 \\ \end{align*}
Series expansion around \(t=0\).

[[_2nd_order, _with_linear_symmetries]]

0.824

2454

\begin{align*} t y^{\prime \prime }-\left (t^{2}+2\right ) y^{\prime }+t y&=0 \\ \end{align*}
Series expansion around \(t=0\).

[_Lienard]

0.756

2455

\begin{align*} t^{2} y^{\prime \prime }+\left (-t^{2}+3 t \right ) y^{\prime }-t y&=0 \\ \end{align*}
Series expansion around \(t=0\).

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

0.846

2456

\begin{align*} t^{2} y^{\prime \prime }+t \left (1+t \right ) y^{\prime }-y&=0 \\ \end{align*}
Series expansion around \(t=0\).

[[_2nd_order, _with_linear_symmetries]]

0.819

2457

\begin{align*} t y^{\prime \prime }-\left (t +4\right ) y^{\prime }+2 y&=0 \\ \end{align*}
Series expansion around \(t=0\).

[_Laguerre]

0.959

2458

\begin{align*} t^{2} y^{\prime \prime }+\left (t^{2}-3 t \right ) y^{\prime }+3 y&=0 \\ \end{align*}
Series expansion around \(t=0\).

[[_2nd_order, _with_linear_symmetries]]

1.834

2459

\begin{align*} t^{2} y^{\prime \prime }+y^{\prime } t -\left (1+t \right ) y&=0 \\ \end{align*}
Series expansion around \(t=0\).

[[_2nd_order, _with_linear_symmetries]]

2.589

2460

\begin{align*} t y^{\prime \prime }+y^{\prime } t +2 y&=0 \\ \end{align*}
Series expansion around \(t=0\).

[[_2nd_order, _with_linear_symmetries]]

1.464

2461

\begin{align*} t y^{\prime \prime }+\left (-t^{2}+1\right ) y^{\prime }+4 t y&=0 \\ \end{align*}
Series expansion around \(t=0\).

[[_2nd_order, _with_linear_symmetries]]

0.607

2462

\begin{align*} t^{2} y^{\prime \prime }+y^{\prime } t +t^{2} y&=0 \\ \end{align*}
Series expansion around \(t=0\).

[_Lienard]

0.545

2463

\begin{align*} t^{2} y^{\prime \prime }+y^{\prime } t +\left (t^{2}-v^{2}\right ) y&=0 \\ \end{align*}
Series expansion around \(t=0\).

[_Bessel]

0.828

2464

\begin{align*} t y^{\prime \prime }+\left (1-t \right ) y^{\prime }+\lambda y&=0 \\ \end{align*}
Series expansion around \(t=0\).

[_Laguerre]

0.895

2465

\begin{align*} 2 \sin \left (t \right ) y^{\prime \prime }+\left (1-t \right ) y^{\prime }-2 y&=0 \\ \end{align*}
Series expansion around \(t=0\).

[[_2nd_order, _with_linear_symmetries]]

1.125

2466

\begin{align*} t^{2} y^{\prime \prime }+y^{\prime } t +\left (1+t \right ) y&=0 \\ \end{align*}
Series expansion around \(t=0\).

[[_2nd_order, _with_linear_symmetries]]

0.637

2467

\begin{align*} t y^{\prime \prime }+y^{\prime }-4 y&=0 \\ \end{align*}
Series expansion around \(t=0\).

[[_Emden, _Fowler]]

0.652

2468

\begin{align*} t^{2} y^{\prime \prime }-t \left (1+t \right ) y^{\prime }+y&=0 \\ \end{align*}
Series expansion around \(t=0\).

[[_2nd_order, _with_linear_symmetries]]

0.643

2469

\begin{align*} t^{2} y^{\prime \prime }+y^{\prime } t +\left (t^{2}-1\right ) y&=0 \\ \end{align*}
Series expansion around \(t=0\).

[_Bessel]

1.676

2470

\begin{align*} t y^{\prime \prime }+3 y^{\prime }-3 y&=0 \\ \end{align*}
Series expansion around \(t=0\).

[[_Emden, _Fowler]]

2.345

2471

\begin{align*} y \cos \left (t \right )+y^{\prime }&=0 \\ \end{align*}

[_separable]

2.772

2472

\begin{align*} \sqrt {t}\, \sin \left (t \right ) y+y^{\prime }&=0 \\ \end{align*}

[_separable]

4.596

2473

\begin{align*} \frac {2 t y}{t^{2}+1}+y^{\prime }&=\frac {1}{t^{2}+1} \\ \end{align*}

[_linear]

1.770

2474

\begin{align*} y+y^{\prime }&={\mathrm e}^{t} t \\ \end{align*}

[[_linear, ‘class A‘]]

1.857

2475

\begin{align*} t^{2} y+y^{\prime }&=1 \\ \end{align*}

[_linear]

1.716

2476

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

[_separable]

2.683

2477

\begin{align*} \frac {t y}{t^{2}+1}+y^{\prime }&=1-\frac {t^{3} y}{t^{4}+1} \\ \end{align*}

[_linear]

2.718

2478

\begin{align*} \sqrt {t^{2}+1}\, y+y^{\prime }&=0 \\ y \left (0\right ) &= \sqrt {5} \\ \end{align*}

[_separable]

3.906

2479

\begin{align*} \sqrt {t^{2}+1}\, y \,{\mathrm e}^{-t}+y^{\prime }&=0 \\ y \left (0\right ) &= 1 \\ \end{align*}

[_separable]

5.771

2480

\begin{align*} \sqrt {t^{2}+1}\, y \,{\mathrm e}^{-t}+y^{\prime }&=0 \\ y \left (0\right ) &= 0 \\ \end{align*}

[_separable]

5.029

2481

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

[_separable]

2.675

2482

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

[_linear]

1.960

2483

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

[_linear]

2.262

2484

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

[_linear]

1.757

2485

\begin{align*} t y+\left (t^{2}+1\right ) y^{\prime }&=\left (t^{2}+1\right )^{{5}/{2}} \\ \end{align*}

[_linear]

3.326

2486

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

[_separable]

3.345

2487

\begin{align*} y+y^{\prime }&=\left \{\begin {array}{cc} 2 & 0\le t \le 1 \\ 0 & 1<t \end {array}\right . \\ y \left (0\right ) &= 0 \\ \end{align*}

[[_linear, ‘class A‘]]

0.712

2488

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

[_separable]

4.346

2489

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

[_separable]

2.579

2490

\begin{align*} y^{\prime }&=1-t +y^{2}-t y^{2} \\ \end{align*}

[_separable]

4.821

2491

\begin{align*} y^{\prime }&={\mathrm e}^{3+t +y} \\ \end{align*}

[_separable]

1.858

2492

\begin{align*} \cos \left (y\right ) \sin \left (t \right ) y^{\prime }&=\cos \left (t \right ) \sin \left (y\right ) \\ \end{align*}

[_separable]

4.592

2493

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

[_separable]

2.844

2494

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

[_separable]

2.419

2495

\begin{align*} \sqrt {1+y^{2}}\, y^{\prime }&=\frac {t y^{3}}{\sqrt {t^{2}+1}} \\ y \left (0\right ) &= 1 \\ \end{align*}

[_separable]

6.396

2496

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

[_separable]

3.592

2497

\begin{align*} \cos \left (y\right ) y^{\prime }&=-\frac {t \sin \left (y\right )}{t^{2}+1} \\ y \left (1\right ) &= \frac {\pi }{2} \\ \end{align*}

[_separable]

2.972

2498

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

[_quadrature]

6.834

2499

\begin{align*} 3 y^{\prime } t&=y \cos \left (t \right ) \\ y \left (1\right ) &= 0 \\ \end{align*}

[_separable]

4.929

2500

\begin{align*} y^{\prime }&=\frac {2 y}{t}+\frac {y^{2}}{t^{2}} \\ \end{align*}

[[_homogeneous, ‘class A‘], _rational, _Bernoulli]

4.265