2.2.144 Problems 14301 to 14400

Table 2.305: Main lookup table. Sorted sequentially by problem number.

#

ODE

CAS classification

Solved?

Maple

Mma

Sympy

time(sec)

14301

\begin{align*} x^{\prime \prime }+x^{\prime }+x&=t \,{\mathrm e}^{-t} \sin \left (\pi t \right ) \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

1.193

14302

\begin{align*} x^{\prime \prime }+x^{\prime }+x&=\left (t +2\right ) \sin \left (\pi t \right ) \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

1.182

14303

\begin{align*} x^{\prime \prime }+x^{\prime }+x&=4 t +5 \,{\mathrm e}^{-t} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

0.665

14304

\begin{align*} x^{\prime \prime }+x^{\prime }+x&=5 \sin \left (2 t \right )+{\mathrm e}^{t} t \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

1.862

14305

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

[[_2nd_order, _linear, _nonhomogeneous]]

2.933

14306

\begin{align*} x^{\prime \prime }+x^{\prime }+x&=-6+2 \,{\mathrm e}^{2 t} \sin \left (t \right ) \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

1.328

14307

\begin{align*} x^{\prime \prime }+7 x&=t \,{\mathrm e}^{3 t} \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

0.784

14308

\begin{align*} x^{\prime \prime }-x^{\prime }&=6+{\mathrm e}^{2 t} \\ \end{align*}

[[_2nd_order, _missing_y]]

1.729

14309

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

[[_2nd_order, _with_linear_symmetries]]

0.585

14310

\begin{align*} x^{\prime \prime }-3 x^{\prime }-4 x&=2 t^{2} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

0.606

14311

\begin{align*} x^{\prime \prime }+x&=9 \,{\mathrm e}^{-t} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

0.645

14312

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

[[_2nd_order, _linear, _nonhomogeneous]]

0.815

14313

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

[[_2nd_order, _linear, _nonhomogeneous]]

1.276

14314

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

[[_2nd_order, _linear, _nonhomogeneous]]

2.120

14315

\begin{align*} x^{\prime \prime }-3 x^{\prime }-40 x&=2 \,{\mathrm e}^{-t} \\ x \left (0\right ) &= 0 \\ x^{\prime }\left (0\right ) &= 1 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

0.873

14316

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

[[_2nd_order, _missing_x]]

2.714

14317

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

[[_2nd_order, _linear, _nonhomogeneous]]

1.263

14318

\begin{align*} x^{\prime \prime }+\frac {x^{\prime }}{100}+4 x&=\cos \left (2 t \right ) \\ x \left (0\right ) &= 0 \\ x^{\prime }\left (0\right ) &= 0 \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

1.242

14319

\begin{align*} x^{\prime \prime }+w^{2} x&=\cos \left (\beta t \right ) \\ x \left (0\right ) &= 0 \\ x^{\prime }\left (0\right ) &= 0 \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

2.907

14320

\begin{align*} x^{\prime \prime }+3025 x&=\cos \left (45 t \right ) \\ x \left (0\right ) &= 0 \\ x^{\prime }\left (0\right ) &= 0 \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

1.473

14321

\begin{align*} x^{\prime \prime }&=-\frac {x}{t^{2}} \\ \end{align*}

[[_Emden, _Fowler]]

0.582

14322

\begin{align*} x^{\prime \prime }&=\frac {4 x}{t^{2}} \\ \end{align*}

[[_Emden, _Fowler]]

0.549

14323

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

[[_2nd_order, _exact, _linear, _homogeneous]]

4.169

14324

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

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

6.763

14325

\begin{align*} t^{2} x^{\prime \prime }-7 t x^{\prime }+16 x&=0 \\ \end{align*}

[[_Emden, _Fowler]]

3.654

14326

\begin{align*} t^{2} x^{\prime \prime }+3 t x^{\prime }-8 x&=0 \\ x \left (1\right ) &= 0 \\ x^{\prime }\left (1\right ) &= 2 \\ \end{align*}

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

2.331

14327

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

[[_2nd_order, _missing_y]]

1.433

14328

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

[[_Emden, _Fowler]]

6.566

14329

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

[[_2nd_order, _missing_y]]

69.247

14330

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

[[_2nd_order, _linear, _nonhomogeneous]]

0.693

14331

\begin{align*} x^{\prime \prime }-x&={\mathrm e}^{t} t \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

0.725

14332

\begin{align*} x^{\prime \prime }-x&=\frac {1}{t} \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

0.612

14333

\begin{align*} t^{2} x^{\prime \prime }-2 x&=t^{3} \\ \end{align*}

[[_2nd_order, _exact, _linear, _nonhomogeneous]]

1.366

14334

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

[[_2nd_order, _linear, _nonhomogeneous]]

0.961

14335

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

[[_2nd_order, _linear, _nonhomogeneous]]

0.842

14336

\begin{align*} x^{\prime \prime }+\frac {x^{\prime }}{t}&=a \\ \end{align*}

[[_2nd_order, _missing_y]]

1.750

14337

\begin{align*} t^{2} x^{\prime \prime }-3 t x^{\prime }+3 x&=4 t^{7} \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

45.329

14338

\begin{align*} x^{\prime \prime }-x&=\frac {{\mathrm e}^{t}}{1+{\mathrm e}^{t}} \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

0.773

14339

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

[[_2nd_order, _exact, _linear, _homogeneous]]

0.332

14340

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

[_Hermite]

0.389

14341

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

[[_2nd_order, _missing_x]]

0.260

14342

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

[[_2nd_order, _with_linear_symmetries]]

0.278

14343

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

[[_2nd_order, _with_linear_symmetries]]

1.163

14344

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

[[_3rd_order, _missing_x]]

0.110

14345

\begin{align*} x^{\prime \prime \prime }+x^{\prime }&=1 \\ \end{align*}

[[_3rd_order, _missing_x]]

0.253

14346

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

[[_3rd_order, _missing_x]]

0.100

14347

\begin{align*} x^{\prime \prime \prime }-x^{\prime }-8 x&=0 \\ \end{align*}

[[_3rd_order, _missing_x]]

0.204

14348

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

[[_3rd_order, _missing_y]]

0.316

14349

\begin{align*} x^{\prime \prime \prime }-8 x&=0 \\ \end{align*}

[[_3rd_order, _missing_x]]

0.113

14350

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

[[_3rd_order, _missing_x]]

2.793

14351

\begin{align*} x^{\prime }+5 x&=\operatorname {Heaviside}\left (-2+t \right ) \\ x \left (0\right ) &= 1 \\ \end{align*}
Using Laplace transform method.

[[_linear, ‘class A‘]]

5.414

14352

\begin{align*} x^{\prime }+x&=\sin \left (2 t \right ) \\ x \left (0\right ) &= 0 \\ \end{align*}
Using Laplace transform method.

[[_linear, ‘class A‘]]

1.086

14353

\begin{align*} x^{\prime \prime }-x^{\prime }-6 x&=0 \\ x \left (0\right ) &= 2 \\ x^{\prime }\left (0\right ) &= -1 \\ \end{align*}
Using Laplace transform method.

[[_2nd_order, _missing_x]]

0.642

14354

\begin{align*} x^{\prime \prime }-2 x^{\prime }+2 x&=0 \\ x \left (0\right ) &= 0 \\ x^{\prime }\left (0\right ) &= 1 \\ \end{align*}
Using Laplace transform method.

[[_2nd_order, _missing_x]]

0.629

14355

\begin{align*} x^{\prime \prime }-2 x^{\prime }+2 x&={\mathrm e}^{-t} \\ x \left (0\right ) &= 0 \\ x^{\prime }\left (0\right ) &= 1 \\ \end{align*}
Using Laplace transform method.

[[_2nd_order, _with_linear_symmetries]]

0.858

14356

\begin{align*} x^{\prime \prime }-x^{\prime }&=0 \\ x \left (0\right ) &= 1 \\ x^{\prime }\left (0\right ) &= 0 \\ \end{align*}
Using Laplace transform method.

[[_2nd_order, _missing_x]]

0.464

14357

\begin{align*} x^{\prime \prime }+\frac {2 x^{\prime }}{5}+2 x&=1-\operatorname {Heaviside}\left (t -5\right ) \\ x \left (0\right ) &= 0 \\ x^{\prime }\left (0\right ) &= 0 \\ \end{align*}
Using Laplace transform method.

[[_2nd_order, _linear, _nonhomogeneous]]

22.685

14358

\begin{align*} x^{\prime \prime }+9 x&=\sin \left (3 t \right ) \\ x \left (0\right ) &= 0 \\ x^{\prime }\left (0\right ) &= 0 \\ \end{align*}
Using Laplace transform method.

[[_2nd_order, _linear, _nonhomogeneous]]

0.929

14359

\begin{align*} x^{\prime \prime }-2 x&=1 \\ x \left (0\right ) &= 1 \\ x^{\prime }\left (0\right ) &= 0 \\ \end{align*}
Using Laplace transform method.

[[_2nd_order, _missing_x]]

0.803

14360

\begin{align*} x^{\prime }&=2 x+\operatorname {Heaviside}\left (t -1\right ) \\ x \left (0\right ) &= 0 \\ \end{align*}
Using Laplace transform method.

[[_linear, ‘class A‘]]

2.259

14361

\begin{align*} x^{\prime \prime }+4 x&=\cos \left (2 t \right ) \operatorname {Heaviside}\left (2 \pi -t \right ) \\ x \left (0\right ) &= 0 \\ x^{\prime }\left (0\right ) &= 0 \\ \end{align*}
Using Laplace transform method.

[[_2nd_order, _linear, _nonhomogeneous]]

3.800

14362

\begin{align*} x^{\prime }&=x-2 \operatorname {Heaviside}\left (t -1\right ) \\ x \left (0\right ) &= 1 \\ \end{align*}
Using Laplace transform method.

[[_linear, ‘class A‘]]

3.965

14363

\begin{align*} x^{\prime }&=-x+\operatorname {Heaviside}\left (t -1\right )-\operatorname {Heaviside}\left (-2+t \right ) \\ x \left (0\right ) &= 1 \\ \end{align*}
Using Laplace transform method.

[[_linear, ‘class A‘]]

6.432

14364

\begin{align*} x^{\prime \prime }+\pi ^{2} x&=\pi ^{2} \operatorname {Heaviside}\left (1-t \right ) \\ x \left (0\right ) &= 1 \\ x^{\prime }\left (0\right ) &= 0 \\ \end{align*}
Using Laplace transform method.

[[_2nd_order, _linear, _nonhomogeneous]]

5.990

14365

\begin{align*} x^{\prime \prime }-4 x&=1-\operatorname {Heaviside}\left (t -1\right ) \\ x \left (0\right ) &= 0 \\ x^{\prime }\left (0\right ) &= 0 \\ \end{align*}
Using Laplace transform method.

[[_2nd_order, _linear, _nonhomogeneous]]

5.856

14366

\begin{align*} x^{\prime \prime }+3 x^{\prime }+2 x&={\mathrm e}^{-4 t} \\ x \left (0\right ) &= 0 \\ x^{\prime }\left (0\right ) &= 0 \\ \end{align*}
Using Laplace transform method.

[[_2nd_order, _with_linear_symmetries]]

0.887

14367

\begin{align*} x^{\prime }+3 x&=\delta \left (t -1\right )+\operatorname {Heaviside}\left (t -4\right ) \\ x \left (0\right ) &= 1 \\ \end{align*}
Using Laplace transform method.

[[_linear, ‘class A‘]]

8.101

14368

\begin{align*} x^{\prime \prime }-x&=\delta \left (t -5\right ) \\ x \left (0\right ) &= 0 \\ x^{\prime }\left (0\right ) &= 0 \\ \end{align*}
Using Laplace transform method.

[[_2nd_order, _linear, _nonhomogeneous]]

2.487

14369

\begin{align*} x^{\prime \prime }+x&=\delta \left (-2+t \right ) \\ x \left (0\right ) &= 0 \\ x^{\prime }\left (0\right ) &= 0 \\ \end{align*}
Using Laplace transform method.

[[_2nd_order, _linear, _nonhomogeneous]]

2.763

14370

\begin{align*} x^{\prime \prime }+4 x&=\delta \left (-2+t \right )-\delta \left (t -5\right ) \\ x \left (0\right ) &= 0 \\ x^{\prime }\left (0\right ) &= 0 \\ \end{align*}
Using Laplace transform method.

[[_2nd_order, _linear, _nonhomogeneous]]

8.828

14371

\begin{align*} x^{\prime \prime }+x&=3 \delta \left (t -2 \pi \right ) \\ x \left (0\right ) &= 0 \\ x^{\prime }\left (0\right ) &= 1 \\ \end{align*}
Using Laplace transform method.

[[_2nd_order, _linear, _nonhomogeneous]]

2.619

14372

\begin{align*} y^{\prime \prime }+y^{\prime }+y&=\delta \left (t -1\right ) \\ y \left (0\right ) &= 0 \\ y^{\prime }\left (0\right ) &= 0 \\ \end{align*}
Using Laplace transform method.

[[_2nd_order, _linear, _nonhomogeneous]]

4.927

14373

\begin{align*} x^{\prime \prime }+4 x&=\frac {\operatorname {Heaviside}\left (t -5\right ) \left (t -5\right )}{5}+\left (2-\frac {t}{5}\right ) \operatorname {Heaviside}\left (t -10\right ) \\ x \left (0\right ) &= 0 \\ x^{\prime }\left (0\right ) &= 0 \\ \end{align*}
Using Laplace transform method.

[[_2nd_order, _linear, _nonhomogeneous]]

5.964

14374

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

system_of_ODEs

1.003

14375

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

system_of_ODEs

0.990

14376

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

system_of_ODEs

0.510

14377

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

system_of_ODEs

0.684

14378

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

system_of_ODEs

0.643

14379

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

system_of_ODEs

0.849

14380

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

system_of_ODEs

0.814

14381

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

system_of_ODEs

0.869

14382

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

system_of_ODEs

1.186

14383

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

system_of_ODEs

0.838

14384

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

system_of_ODEs

0.664

14385

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

system_of_ODEs

0.682

14386

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

system_of_ODEs

0.865

14387

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

system_of_ODEs

0.615

14388

\begin{align*} x^{\prime }&=2 x+3 y \\ y^{\prime }&=-x-14 \\ \end{align*}

system_of_ODEs

4.595

14389

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

system_of_ODEs

2.607

14390

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

system_of_ODEs

0.782

14391

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

system_of_ODEs

0.702

14392

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

system_of_ODEs

1.090

14393

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

system_of_ODEs

2.484

14394

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

system_of_ODEs

0.833

14395

\begin{align*} x^{\prime }&=5 x-y \\ y^{\prime }&=3 x+y \\ \end{align*}
With initial conditions
\begin{align*} x \left (0\right ) &= 2 \\ y \left (0\right ) &= -1 \\ \end{align*}

system_of_ODEs

0.834

14396

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

system_of_ODEs

0.548

14397

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

system_of_ODEs

0.639

14398

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

system_of_ODEs

0.859

14399

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

system_of_ODEs

0.604

14400

\begin{align*} x^{\prime }&=2 x+2 y \\ y^{\prime }&=6 x+3 y \\ \end{align*}

system_of_ODEs

0.908