2.2.44 Problems 4301 to 4400

Table 2.105: Main lookup table. Sorted sequentially by problem number.

#

ODE

CAS classification

Solved?

Maple

Mma

Sympy

time(sec)

4301

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

[_separable]

5.661

4302

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

[_separable]

4.464

4303

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

[_separable]

7.901

4304

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

[_separable]

17.273

4305

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

[_quadrature]

2.092

4306

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

[_separable]

5.117

4307

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

[_separable]

5.249

4308

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

[_separable]

12.247

4309

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

[_separable]

5.253

4310

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

[_separable]

7.395

4311

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

[_separable]

43.392

4312

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

[_separable]

12.429

4313

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

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

12.109

4314

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

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

13.414

4315

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

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

10.148

4316

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

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

17.197

4317

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

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

16.812

4318

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

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

30.165

4319

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

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

38.327

4320

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

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

15.072

4321

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

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

40.511

4322

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

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

31.347

4323

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

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

6.302

4324

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

[[_homogeneous, ‘class C‘], _Riccati]

25.869

4325

\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]

3.887

4326

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

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

6.470

4327

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

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

8.580

4328

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

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

10.303

4329

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

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

7.776

4330

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

[_exact]

28.941

4331

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

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

50.537

4332

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

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

38.996

4333

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

[‘y=_G(x,y’)‘]

6.082

4334

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

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

14.654

4335

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

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

8.000

4336

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

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

8.990

4337

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

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

6.300

4338

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

[[_1st_order, _with_linear_symmetries], _rational]

3.899

4339

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

[_rational]

3.678

4340

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

[[_1st_order, _with_linear_symmetries], _rational]

9.853

4341

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

[_rational, _Bernoulli]

4.487

4342

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

[_rational]

4.039

4343

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

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

9.658

4344

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

[‘y=_G(x,y’)‘]

5.230

4345

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

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

3.385

4346

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

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

71.989

4347

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

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

9.381

4348

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

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

17.300

4349

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

[[_homogeneous, ‘class D‘]]

5.740

4350

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

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

38.349

4351

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

[[_homogeneous, ‘class G‘]]

19.643

4352

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

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

15.619

4353

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

[_rational]

4.714

4354

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

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

6.421

4355

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

[[_1st_order, _with_linear_symmetries], [_Abel, ‘2nd type‘, ‘class A‘]]

7.795

4356

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

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

36.095

4357

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

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

35.250

4358

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

[_linear]

0.481

4359

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

[_quadrature]

10.968

4360

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

[_separable]

4.692

4361

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

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

3.319

4362

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

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

21.688

4363

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

[[_1st_order, _with_exponential_symmetries]]

3.803

4364

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

[[_1st_order, _with_linear_symmetries], _rational]

3.534

4365

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

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

3.221

4366

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

[_linear]

0.270

4367

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

[[_1st_order, _with_linear_symmetries]]

4.283

4368

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

[_linear]

0.676

4369

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

[_linear]

0.444

4370

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

[_linear]

0.285

4371

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

[_linear]

0.243

4372

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

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

8.401

4373

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

[_Riccati]

0.996

4374

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

[_Bernoulli]

0.553

4375

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

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

38.342

4376

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

[_rational, _Bernoulli]

1.235

4377

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

[[_1st_order, _with_linear_symmetries], _rational, _Bernoulli]

0.425

4378

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

[_Bernoulli]

1.297

4379

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

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

0.445

4380

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

[_Bernoulli]

0.504

4381

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

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

64.366

4382

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

[[_1st_order, _with_linear_symmetries], _Clairaut]

1.980

4383

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

[[_1st_order, _with_linear_symmetries], _Clairaut]

0.696

4384

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

[_quadrature]

1.279

4385

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

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

2.801

4386

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

[_quadrature]

181.111

4387

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

[[_1st_order, _with_linear_symmetries], _Clairaut]

1.255

4388

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

[[_1st_order, _with_linear_symmetries]]

1.036

4389

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

[[_1st_order, _with_linear_symmetries]]

76.907

4390

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

[[_1st_order, _with_linear_symmetries]]

7.044

4391

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

[[_1st_order, _with_linear_symmetries]]

13.421

4392

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

[[_homogeneous, ‘class G‘]]

3.836

4393

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

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

36.950

4394

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

[[_1st_order, _with_linear_symmetries], _dAlembert]

14.717

4395

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

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

7.113

4396

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

[[_homogeneous, ‘class G‘]]

4.885

4397

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

[_separable]

3.976

4398

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

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

9.398

4399

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

[_exact, _Bernoulli]

11.072

4400

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

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

24.336