2.2.145 Problems 14401 to 14500

Table 2.303: Main lookup table. Sorted sequentially by problem number.

#

ODE

CAS classification

Solved?

Maple

Mma

Sympy

time(sec)

14401

\begin{align*} x^{\prime }&=-5 x+3 y \\ y^{\prime }&=2 x-10 y \\ \end{align*}

system_of_ODEs

0.396

14402

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

system_of_ODEs

0.224

14403

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

system_of_ODEs

0.523

14404

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

system_of_ODEs

0.317

14405

\begin{align*} x^{\prime }&=9 y \\ y^{\prime }&=-x \\ \end{align*}

system_of_ODEs

0.362

14406

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

system_of_ODEs

0.348

14407

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

system_of_ODEs

0.358

14408

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

system_of_ODEs

0.572

14409

\begin{align*} x^{\prime }&=-5 x+3 y+{\mathrm e}^{-t} \\ y^{\prime }&=2 x-10 y \\ \end{align*}

system_of_ODEs

0.645

14410

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

system_of_ODEs

0.756

14411

\begin{align*} x^{\prime }&=3 x+2 y+3 \\ y^{\prime }&=7 x+5 y+2 t \\ \end{align*}

system_of_ODEs

1.921

14412

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

system_of_ODEs

0.325

14413

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

[[_linear, ‘class A‘]]

1.033

14414

\begin{align*} 12 y-7 y^{\prime }+y^{\prime \prime }&=0 \\ \end{align*}

[[_2nd_order, _missing_x]]

0.194

14415

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

[[_2nd_order, _with_linear_symmetries]]

0.312

14416

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

[[_2nd_order, _exact, _linear, _homogeneous]]

0.611

14417

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

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

4.559

14418

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

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

2.024

14419

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

[[_linear, ‘class A‘]]

2.151

14420

\begin{align*} y^{\prime }+4 y x&=8 x \\ \end{align*}

[_separable]

1.700

14421

\begin{align*} y^{\prime \prime }-2 y^{\prime }-8 y&=0 \\ \end{align*}

[[_2nd_order, _missing_x]]

0.194

14422

\begin{align*} y^{\prime \prime \prime }-2 y^{\prime \prime }-4 y^{\prime }+8 y&=0 \\ \end{align*}

[[_3rd_order, _missing_x]]

0.047

14423

\begin{align*} y^{\prime \prime \prime }-3 y^{\prime \prime }-4 y^{\prime }+12 y&=0 \\ \end{align*}

[[_3rd_order, _missing_x]]

0.049

14424

\begin{align*} x^{3} y^{\prime \prime \prime }+2 x^{2} y^{\prime \prime }-10 y^{\prime } x -8 y&=0 \\ \end{align*}

[[_3rd_order, _fully, _exact, _linear]]

0.117

14425

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

[[_linear, ‘class A‘]]

1.885

14426

\begin{align*} y^{\prime \prime }-4 y^{\prime }+4 y&=-8 \sin \left (2 x \right ) \\ \end{align*}

[[_2nd_order, _linear, _nonhomogeneous]]

0.461

14427

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

[_quadrature]

0.671

14428

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

[[_2nd_order, _missing_x]]

1.308

14429

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

[[_linear, ‘class A‘]]

2.360

14430

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

[[_linear, ‘class A‘]]

2.257

14431

\begin{align*} y^{\prime \prime }-y^{\prime }-12 y&=0 \\ y \left (0\right ) &= 5 \\ y^{\prime }\left (0\right ) &= 6 \\ \end{align*}

[[_2nd_order, _missing_x]]

0.306

14432

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

[[_2nd_order, _missing_x]]

2.602

14433

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

[[_2nd_order, _missing_x]]

1.705

14434

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

[[_2nd_order, _missing_x]]

0.981

14435

\begin{align*} x^{3} y^{\prime \prime \prime }-3 x^{2} y^{\prime \prime }+6 y^{\prime } x -6 y&=0 \\ y \left (2\right ) &= 0 \\ y^{\prime }\left (2\right ) &= 2 \\ y^{\prime \prime }\left (2\right ) &= 6 \\ \end{align*}

[[_3rd_order, _with_linear_symmetries]]

0.161

14436

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

[_separable]

5.120

14437

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

[_separable]

3.109

14438

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

[_quadrature]

2.717

14439

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

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

4.941

14440

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

[_exact, _rational, [_1st_order, ‘_with_symmetry_[F(x)*G(y),0]‘], [_Abel, ‘2nd type‘, ‘class B‘]]

2.134

14441

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

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

1.592

14442

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

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

6.420

14443

\begin{align*} 6 y x +2 y^{2}-5+\left (3 x^{2}+4 y x -6\right ) y^{\prime }&=0 \\ \end{align*}

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

2.350

14444

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

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

14.525

14445

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

[_rational, [_1st_order, ‘_with_symmetry_[F(x)*G(y),0]‘]]

2.786

14446

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

[_separable]

4.269

14447

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

[_rational, [_1st_order, ‘_with_symmetry_[F(x)*G(y),0]‘]]

4.742

14448

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

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

1.505

14449

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

[_exact, _rational]

4.967

14450

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

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

25.110

14451

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

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

4.548

14452

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

[_exact, _rational, [_1st_order, ‘_with_symmetry_[F(x)*G(y),0]‘]]

3.707

14453

\begin{align*} \frac {1+8 x y^{{2}/{3}}}{x^{{2}/{3}} y^{{1}/{3}}}+\frac {\left (2 x^{{4}/{3}} y^{{2}/{3}}-x^{{1}/{3}}\right ) y^{\prime }}{y^{{4}/{3}}}&=0 \\ y \left (1\right ) &= 8 \\ \end{align*}

[[_homogeneous, ‘class G‘], _exact, _rational]

11.149

14454

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

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

3.900

14455

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

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

2.719

14456

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

[[_1st_order, _with_linear_symmetries], _rational]

2.988

14457

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

[_separable]

1.744

14458

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

[_separable]

2.213

14459

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

[_separable]

2.829

14460

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

[_separable]

2.235

14461

\begin{align*} \tan \left (\theta \right )+2 r \theta ^{\prime }&=0 \\ \end{align*}

[_separable]

3.107

14462

\begin{align*} \left ({\mathrm e}^{v}+1\right ) \cos \left (u \right )+{\mathrm e}^{v} \left (1+\sin \left (u \right )\right ) v^{\prime }&=0 \\ \end{align*}

[_separable]

2.682

14463

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

[_separable]

2.996

14464

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

[_linear]

1.732

14465

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

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

5.475

14466

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

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

7.390

14467

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

[[_homogeneous, ‘class A‘], _dAlembert]

4.757

14468

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

[[_homogeneous, ‘class A‘], _exact, _rational, _dAlembert]

7.029

14469

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

[[_homogeneous, ‘class A‘], _dAlembert]

9.530

14470

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

[[_homogeneous, ‘class C‘], _dAlembert]

15.096

14471

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

[_separable]

4.819

14472

\begin{align*} 8 \cos \left (y\right )^{2}+\csc \left (x \right )^{2} y^{\prime }&=0 \\ y \left (\frac {\pi }{12}\right ) &= \frac {\pi }{4} \\ \end{align*}

[_separable]

2.853

14473

\begin{align*} \left (3 x +8\right ) \left (4+y^{2}\right )-4 y \left (x^{2}+5 x +6\right ) y^{\prime }&=0 \\ y \left (1\right ) &= 2 \\ \end{align*}

[_separable]

3.356

14474

\begin{align*} x^{2}+3 y^{2}-2 x y^{\prime } y&=0 \\ y \left (2\right ) &= 6 \\ \end{align*}

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

6.420

14475

\begin{align*} \left (4 x -y\right ) y^{\prime }+2 x -5 y&=0 \\ y \left (1\right ) &= 4 \\ \end{align*}

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

11.483

14476

\begin{align*} 3 x^{2}+9 y x +5 y^{2}-\left (6 x^{2}+4 y x \right ) y^{\prime }&=0 \\ y \left (2\right ) &= -6 \\ \end{align*}

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

8.901

14477

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

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

4.839

14478

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

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

5.513

14479

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

[[_homogeneous, ‘class A‘], _exact, _rational, _dAlembert]

6.952

14480

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

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

5.496

14481

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

[_linear]

2.181

14482

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

[_linear]

1.948

14483

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

[[_linear, ‘class A‘]]

2.325

14484

\begin{align*} y^{\prime }+4 y x&=8 x \\ \end{align*}

[_separable]

1.730

14485

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

[_separable]

1.780

14486

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

[_separable]

2.103

14487

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

[_linear]

1.706

14488

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

[_linear]

1.842

14489

\begin{align*} y^{\prime } x +y x +y-1&=0 \\ \end{align*}

[_linear]

0.908

14490

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

[_rational, [_1st_order, ‘_with_symmetry_[F(x)*G(y),0]‘]]

1.566

14491

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

[_linear]

1.730

14492

\begin{align*} \cos \left (t \right ) r^{\prime }+r \sin \left (t \right )-\cos \left (t \right )^{4}&=0 \\ \end{align*}

[_linear]

3.365

14493

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

[_linear]

3.301

14494

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

[_linear]

4.293

14495

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

[_separable]

2.013

14496

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

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

4.313

14497

\begin{align*} y^{\prime }+\left (4 y-\frac {8}{y^{3}}\right ) x&=0 \\ \end{align*}

[_separable]

2.638

14498

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

[_separable]

2.391

14499

\begin{align*} y^{\prime } x -2 y&=2 x^{4} \\ y \left (2\right ) &= 8 \\ \end{align*}

[_linear]

4.642

14500

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

[_separable]

1.923