2.2.174 Problems 17301 to 17400

Table 2.365: Main lookup table. Sorted sequentially by problem number.

#

ODE

CAS classification

Solved?

Maple

Mma

Sympy

time(sec)

17301

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

[[_1st_order, _with_linear_symmetries], _Clairaut]

6.999

17302

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

[[_1st_order, _with_linear_symmetries], _Clairaut]

1.645

17303

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

[_dAlembert]

0.793

17304

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

[_dAlembert]

28.129

17305

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

[_linear]

3.891

17306

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

[[_1st_order, _with_linear_symmetries], _dAlembert]

5.098

17307

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

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

23.707

17308

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

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

23.763

17309

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

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

18.125

17310

\begin{align*} y^{\prime }&=\frac {2 t^{5}}{5 y^{2}} \\ \end{align*}

[_separable]

6.786

17311

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

[_separable]

4.498

17312

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

[_separable]

5.450

17313

\begin{align*} y^{\prime }&=\frac {{\mathrm e}^{8 y}}{t} \\ \end{align*}

[_separable]

4.041

17314

\begin{align*} y^{\prime }&=\frac {{\mathrm e}^{5 t}}{y^{4}} \\ \end{align*}

[_separable]

5.225

17315

\begin{align*} -\frac {1}{x^{5}}+\frac {1}{x^{3}}&=\left (2 y^{4}-6 y^{9}\right ) y^{\prime } \\ \end{align*}

[_separable]

3.965

17316

\begin{align*} y^{\prime }&=\frac {y \,{\mathrm e}^{-2 t}}{\ln \left (y\right )} \\ \end{align*}

[_separable]

4.594

17317

\begin{align*} y^{\prime }&=\frac {\left (4-7 x \right ) \left (2 y-3\right )}{\left (x -1\right ) \left (2 x -5\right )} \\ \end{align*}

[_separable]

5.687

17318

\begin{align*} 3 y+y^{\prime }&=-10 \sin \left (t \right ) \\ \end{align*}

[[_linear, ‘class A‘]]

2.648

17319

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

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

26.168

17320

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

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

28.254

17321

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

[[_linear, ‘class A‘]]

2.244

17322

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

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

93.879

17323

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

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

13.959

17324

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

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

33.369

17325

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

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

6.153

17326

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

[_exact]

6.344

17327

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

[_exact]

7.549

17328

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

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

5.949

17329

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

[_quadrature]

1.226

17330

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

[_separable]

4.513

17331

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

[_linear]

6.079

17332

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

[_linear]

2.490

17333

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

[_Bernoulli]

7.957

17334

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

[[_1st_order, _with_linear_symmetries], _Bernoulli]

4.414

17335

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

[[_1st_order, _with_linear_symmetries], _Clairaut]

4.871

17336

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

[[_homogeneous, ‘class D‘], _Bernoulli]

10.825

17337

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

[[_1st_order, _with_linear_symmetries], _Clairaut]

0.836

17338

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

[[_1st_order, _with_linear_symmetries], _Clairaut]

0.573

17339

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

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

18.851

17340

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

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

39.620

17341

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

[_exact, [_1st_order, ‘_with_symmetry_[F(x),G(x)*y+H(x)]‘]]

3.776

17342

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

[_exact]

13.283

17343

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

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

5.264

17344

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

[_exact]

6.118

17345

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

[[_Riccati, _special]]

22.181

17346

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

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

9.928

17347

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

[_separable]

26.632

17348

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

[_separable]

35.856

17349

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

[_separable]

4.898

17350

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

[[_2nd_order, _missing_x]]

4.455

17351

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

[[_2nd_order, _missing_x]]

0.448

17352

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

[[_Emden, _Fowler]]

1.281

17353

\begin{align*} y^{\prime \prime }+9 y&=0 \\ \end{align*}

[[_2nd_order, _missing_x]]

2.940

17354

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

[[_2nd_order, _missing_x]]

0.487

17355

\begin{align*} y^{\prime \prime }+9 y&=0 \\ y \left (0\right ) &= 1 \\ y^{\prime }\left (0\right ) &= -3 \\ \end{align*}

[[_2nd_order, _missing_x]]

2.446

17356

\begin{align*} 3 t^{2} y^{\prime \prime }-5 t y^{\prime }-3 y&=0 \\ y \left (1\right ) &= 1 \\ y^{\prime }\left (1\right ) &= {\frac {17}{3}} \\ \end{align*}

[[_Emden, _Fowler]]

1.940

17357

\begin{align*} t^{2} y^{\prime \prime }+7 t y^{\prime }-7 y&=0 \\ y \left (1\right ) &= 2 \\ y^{\prime }\left (1\right ) &= -22 \\ \end{align*}

[[_Emden, _Fowler]]

1.954

17358

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

[[_2nd_order, _linear, _nonhomogeneous]]

0.805

17359

\begin{align*} y^{\prime \prime }+10 y^{\prime }+24 y&=0 \\ \end{align*}

[[_2nd_order, _missing_x]]

0.338

17360

\begin{align*} y^{\prime \prime }+16 y&=0 \\ \end{align*}

[[_2nd_order, _missing_x]]

2.289

17361

\begin{align*} y^{\prime \prime }+6 y^{\prime }+18 y&=0 \\ \end{align*}

[[_2nd_order, _missing_x]]

0.406

17362

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

[[_2nd_order, _exact, _linear, _homogeneous]]

2.868

17363

\begin{align*} y^{\prime \prime }-5 y^{\prime }+6 y&=0 \\ \end{align*}

[[_2nd_order, _missing_x]]

0.182

17364

\begin{align*} y^{\prime \prime }+6 y^{\prime }+8 y&=0 \\ \end{align*}

[[_2nd_order, _missing_x]]

0.186

17365

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

[[_2nd_order, _missing_x]]

0.294

17366

\begin{align*} y^{\prime \prime }+10 y^{\prime }+25 y&=0 \\ \end{align*}

[[_2nd_order, _missing_x]]

0.188

17367

\begin{align*} y^{\prime \prime }+9 y&=0 \\ y \left (0\right ) &= 1 \\ y^{\prime }\left (0\right ) &= -4 \\ \end{align*}

[[_2nd_order, _missing_x]]

0.746

17368

\begin{align*} y^{\prime \prime }+49 y&=0 \\ \end{align*}

[[_2nd_order, _missing_x]]

0.617

17369

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

[[_Emden, _Fowler]]

0.159

17370

\begin{align*} t^{2} y^{\prime \prime }+6 t y^{\prime }+6 y&=0 \\ \end{align*}

[[_Emden, _Fowler]]

0.169

17371

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

[[_2nd_order, _with_linear_symmetries]]

0.178

17372

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

[[_2nd_order, _exact, _linear, _homogeneous]]

0.164

17373

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

[[_2nd_order, _missing_x]]

1.894

17374

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

[[_Emden, _Fowler]]

2.885

17375

\begin{align*} 4 t^{2} y^{\prime \prime }+4 t y^{\prime }+\left (36 t^{2}-1\right ) y&=0 \\ \end{align*}

[[_2nd_order, _with_linear_symmetries]]

0.181

17376

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

[[_2nd_order, _with_linear_symmetries]]

0.183

17377

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

[[_2nd_order, _with_linear_symmetries]]

0.605

17378

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

[[_2nd_order, _missing_x]]

0.796

17379

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

[[_2nd_order, _quadrature]]

0.872

17380

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

[[_2nd_order, _missing_x]]

0.334

17381

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

[[_2nd_order, _missing_x]]

2.007

17382

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

[[_2nd_order, _missing_x]]

0.336

17383

\begin{align*} y^{\prime \prime }+8 y^{\prime }+12 y&=0 \\ \end{align*}

[[_2nd_order, _missing_x]]

0.336

17384

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

[[_2nd_order, _missing_x]]

0.385

17385

\begin{align*} 8 y^{\prime \prime }+6 y^{\prime }+y&=0 \\ \end{align*}

[[_2nd_order, _missing_x]]

0.339

17386

\begin{align*} 4 y^{\prime \prime }+9 y&=0 \\ \end{align*}

[[_2nd_order, _missing_x]]

1.956

17387

\begin{align*} y^{\prime \prime }+16 y&=0 \\ \end{align*}

[[_2nd_order, _missing_x]]

1.946

17388

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

[[_2nd_order, _missing_x]]

2.441

17389

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

[[_2nd_order, _missing_x]]

2.531

17390

\begin{align*} 4 y^{\prime \prime }+21 y^{\prime }+5 y&=0 \\ \end{align*}

[[_2nd_order, _missing_x]]

0.341

17391

\begin{align*} 7 y^{\prime \prime }+4 y^{\prime }-3 y&=0 \\ \end{align*}

[[_2nd_order, _missing_x]]

0.347

17392

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

[[_2nd_order, _missing_x]]

0.441

17393

\begin{align*} y^{\prime \prime }-6 y^{\prime }+9 y&=0 \\ \end{align*}

[[_2nd_order, _missing_x]]

0.444

17394

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

[[_2nd_order, _missing_x]]

1.733

17395

\begin{align*} 3 y^{\prime \prime }-y^{\prime }&=0 \\ y \left (0\right ) &= 0 \\ y^{\prime }\left (0\right ) &= 7 \\ \end{align*}

[[_2nd_order, _missing_x]]

2.075

17396

\begin{align*} y^{\prime \prime }+y^{\prime }-12 y&=0 \\ y \left (0\right ) &= 3 \\ y^{\prime }\left (0\right ) &= 7 \\ \end{align*}

[[_2nd_order, _missing_x]]

0.474

17397

\begin{align*} y^{\prime \prime }-7 y^{\prime }+12 y&=0 \\ y \left (0\right ) &= 3 \\ y^{\prime }\left (0\right ) &= -2 \\ \end{align*}

[[_2nd_order, _missing_x]]

0.481

17398

\begin{align*} 2 y^{\prime \prime }-7 y^{\prime }-4 y&=0 \\ y \left (0\right ) &= 0 \\ y^{\prime }\left (0\right ) &= 1 \\ \end{align*}

[[_2nd_order, _missing_x]]

0.483

17399

\begin{align*} y^{\prime \prime }-7 y^{\prime }+10 y&=0 \\ y \left (0\right ) &= 1 \\ y^{\prime }\left (0\right ) &= 5 \\ \end{align*}

[[_2nd_order, _missing_x]]

1.477

17400

\begin{align*} y^{\prime \prime }+36 y&=0 \\ y \left (0\right ) &= 2 \\ y^{\prime }\left (0\right ) &= -6 \\ \end{align*}

[[_2nd_order, _missing_x]]

2.654