2.2.264 Problems 26301 to 26400

Table 2.545: Main lookup table. Sorted sequentially by problem number.

#

ODE

CAS classification

Solved?

Maple

Mma

Sympy

time(sec)

26301

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

[[_1st_order, _with_linear_symmetries]]

3.706

26302

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

[_linear]

2.939

26303

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

[_linear]

2.631

26304

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

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

4.259

26305

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

[‘y=_G(x,y’)‘]

5.410

26306

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

[_linear]

3.385

26307

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

[‘y=_G(x,y’)‘]

16.284

26308

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

[_linear]

9.645

26309

\begin{align*} 2 \sqrt {x}\, y^{\prime }-y&=-\sin \left (\sqrt {x}\right )-\cos \left (\sqrt {x}\right ) \\ y \left (\infty \right ) &= y_{0} \\ \end{align*}

[_linear]

11.652

26310

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

[[_linear, ‘class A‘]]

11.688

26311

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

[_linear]

5.767

26312

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

[_linear]

7.595

26313

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

[_linear]

52.217

26314

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

[_linear]

18.730

26315

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

[_linear]

3.050

26316

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

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

26.036

26317

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

[_exact, _rational]

2.464

26318

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

[_exact]

9.951

26319

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

[_exact]

22.934

26320

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

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

3.420

26321

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

[_exact]

27.589

26322

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

[_exact, _rational]

2.348

26323

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

[_separable]

40.165

26324

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

[_exact]

6.563

26325

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

[_exact]

5.885

26326

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

[_exact]

17.957

26327

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

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

28.658

26328

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

[_exact]

5.316

26329

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

[_exact]

95.290

26330

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

[_exact]

12.800

26331

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

[_exact, _rational]

2.734

26332

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

[_rational, _Bernoulli]

2.612

26333

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

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

4.480

26334

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

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

3.038

26335

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

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

8.441

26336

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

[_linear]

2.188

26337

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

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

4.245

26338

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

[_linear]

2.523

26339

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

[_Bernoulli]

2.753

26340

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

[‘y=_G(x,y’)‘]

6.303

26341

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

[_rational]

1.987

26342

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

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

10.980

26343

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

[_quadrature]

0.461

26344

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

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

1.729

26345

\begin{align*} 4 {y^{\prime }}^{2}-9 x&=0 \\ \end{align*}

[_quadrature]

0.924

26346

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

[_separable]

10.734

26347

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

[_separable]

0.503

26348

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

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

1.733

26349

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

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

566.533

26350

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

[[_1st_order, _with_exponential_symmetries]]

253.684

26351

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

[_quadrature]

0.542

26352

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

[_quadrature]

2.170

26353

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

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

17.392

26354

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

[_quadrature]

4.094

26355

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

[_quadrature]

0.368

26356

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

[_quadrature]

4.007

26357

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

[_quadrature]

5.116

26358

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

[_quadrature]

1.000

26359

\begin{align*} x {y^{\prime }}^{2}&={\mathrm e}^{\frac {1}{y^{\prime }}} \\ \end{align*}

[_quadrature]

0.724

26360

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

[_quadrature]

0.469

26361

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

[_quadrature]

1.233

26362

\begin{align*} y^{{2}/{5}}+{y^{\prime }}^{{2}/{5}}&=a^{{2}/{5}} \\ \end{align*}

[_quadrature]

3.318

26363

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

[_quadrature]

12.417

26364

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

[_quadrature]

0.331

26365

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

[_quadrature]

1.837

26366

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

[[_1st_order, _with_linear_symmetries], _dAlembert]

4.759

26367

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

[[_1st_order, _with_linear_symmetries], _dAlembert]

21.479

26368

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

[[_1st_order, _with_linear_symmetries], _dAlembert]

1.268

26369

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

[_dAlembert]

1.254

26370

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

[_dAlembert]

742.814

26371

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

[_dAlembert]

2.336

26372

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

[[_1st_order, _with_linear_symmetries], _Clairaut]

1.155

26373

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

[[_1st_order, _with_linear_symmetries], _Clairaut]

0.418

26374

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

[[_1st_order, _with_linear_symmetries], _rational, _Clairaut]

0.464

26375

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

[[_1st_order, _with_linear_symmetries], _Clairaut]

30.602

26376

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

[_Clairaut]

154.851

26377

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

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

1.092

26378

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

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

5.610

26379

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

[[_homogeneous, ‘class C‘], _Riccati]

2.967

26380

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

[_linear]

8.404

26381

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

[_Bernoulli]

6.012

26382

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

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

71.253

26383

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

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

16.772

26384

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

[_exact, _rational]

2.774

26385

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

[_Bernoulli]

4.624

26386

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

[_linear]

3.355

26387

\begin{align*} 2 y^{\prime }+y^{2}+\frac {1}{x^{2}}&=0 \\ \end{align*}

[[_homogeneous, ‘class G‘], _rational, [_Riccati, _special]]

3.711

26388

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

[[_1st_order, _with_exponential_symmetries]]

2.564

26389

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

[_quadrature]

0.686

26390

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

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

37.940

26391

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

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

8.102

26392

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

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

45.573

26393

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

[_linear]

2.749

26394

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

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

21.421

26395

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

[_separable]

7.764

26396

\begin{align*} y^{\prime } \left (3 x^{2}-2 x \right )-y \left (6 x -2\right )+\frac {18 x -8}{x}&=0 \\ \end{align*}

[_linear]

3.612

26397

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

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

3.681

26398

\begin{align*} y^{\prime }&=\tan \left (a x +b y+c \right ) \\ \end{align*}

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

6.232

26399

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

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

17.810

26400

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

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

11.849