5.3.48 Problems 4701 to 4800

Table 5.129: Problems not solved by Sympy

#

ODE

Mathematica

Maple

Sympy

14112

\[ {} x \cos \left (\frac {y}{x}\right ) \left (x y^{\prime }+y\right ) = y \sin \left (\frac {y}{x}\right ) \left (x y^{\prime }-y\right ) \]

14116

\[ {} \frac {y-x y^{\prime }}{\sqrt {x^{2}+y^{2}}} = m \]

14126

\[ {} y^{\prime }+\frac {n y}{x} = a \,x^{-n} \]

14135

\[ {} x^{2}+y+\left (-2 y+x \right ) y^{\prime } = 0 \]

14136

\[ {} y-3 x^{2}-\left (4 y-x \right ) y^{\prime } = 0 \]

14138

\[ {} \frac {y^{2}}{\left (x -y\right )^{2}}-\frac {1}{x}+\left (\frac {1}{y}-\frac {x^{2}}{\left (x -y\right )^{2}}\right ) y^{\prime } = 0 \]

14139

\[ {} 6 x y^{2}+4 x^{3}+3 \left (2 x^{2} y+y^{2}\right ) y^{\prime } = 0 \]

14140

\[ {} \frac {x}{\left (x +y\right )^{2}}+\frac {\left (y+2 x \right ) y^{\prime }}{\left (x +y\right )^{2}} = 0 \]

14143

\[ {} y y^{\prime }+x = \frac {y}{x^{2}+y^{2}}-\frac {x y^{\prime }}{x^{2}+y^{2}} \]

14144

\[ {} y = 2 x y^{\prime }+{y^{\prime }}^{2} \]

14147

\[ {} y = y {y^{\prime }}^{2}+2 x y^{\prime } \]

14149

\[ {} y = x y^{\prime }+\sqrt {1-{y^{\prime }}^{2}} \]

14151

\[ {} y = x y^{\prime }+\frac {1}{y^{\prime }} \]

14152

\[ {} y = x y^{\prime }-\frac {1}{{y^{\prime }}^{2}} \]

14160

\[ {} y y^{\prime \prime }+{y^{\prime }}^{3}-{y^{\prime }}^{2} = 0 \]

14162

\[ {} {y^{\prime \prime }}^{2}+{y^{\prime }}^{2} = a^{2} \]

14165

\[ {} y^{\prime } y^{\prime \prime \prime }-3 {y^{\prime \prime }}^{2} = 0 \]

14200

\[ {} y^{\prime \prime }+y = \frac {1}{\cos \left (2 x \right )^{{3}/{2}}} \]

14204

\[ {} y y^{\prime \prime } = 1+{y^{\prime }}^{2} \]

14217

\[ {} y^{\prime } = x +y^{2} \]

14233

\[ {} x^{\prime \prime }+x-x^{3} = 0 \]

14234

\[ {} x^{\prime \prime }+x+x^{3} = 0 \]

14235

\[ {} x^{\prime \prime }+x^{\prime }+x-x^{3} = 0 \]

14236

\[ {} x^{\prime \prime }+x^{\prime }+x+x^{3} = 0 \]

14237

\[ {} x^{\prime \prime } = \left (2 \cos \left (x\right )-1\right ) \sin \left (x\right ) \]

14288

\[ {} y^{\prime } = -y^{2}+x^{2} \]

14289

\[ {} y^{\prime } = y^{2}-x^{2} \]

14296

\[ {} y^{\prime } = x^{3}+y^{3} \]

14301

\[ {} y^{\prime } = \frac {1}{\sqrt {15-x^{2}-y^{2}}} \]

14302

\[ {} y^{\prime } = \frac {3 y}{\left (x -5\right ) \left (x +3\right )}+{\mathrm e}^{-x} \]

14311

\[ {} y^{\prime } = \left (x y\right )^{{1}/{3}} \]

14321

\[ {} y^{\prime } = \frac {y}{-x^{2}+4}+\sqrt {x} \]

14322

\[ {} y^{\prime } = \frac {y}{-x^{2}+4}+\sqrt {x} \]

14361

\[ {} x y \left (1-y\right )-2 y^{\prime } = 0 \]

14370

\[ {} y^{\prime } = \frac {y}{-x^{2}+1}+\sqrt {x} \]

14372

\[ {} y^{\prime } = y^{2} \]

14375

\[ {} y^{\prime } = y^{3} \]

14381

\[ {} y^{\prime } = \frac {\sqrt {y}}{x} \]

14383

\[ {} y^{\prime } = \frac {\sqrt {y}}{x} \]

14384

\[ {} y^{\prime } = \frac {\sqrt {y}}{x} \]

14385

\[ {} y^{\prime } = 3 x y^{{1}/{3}} \]

14386

\[ {} y^{\prime } = 3 x y^{{1}/{3}} \]

14387

\[ {} y^{\prime } = 3 x y^{{1}/{3}} \]

14389

\[ {} y^{\prime } = 3 x y^{{1}/{3}} \]

14390

\[ {} y^{\prime } = \sqrt {\left (y+2\right ) \left (-1+y\right )} \]

14392

\[ {} y^{\prime } = \sqrt {\left (y+2\right ) \left (-1+y\right )} \]

14398

\[ {} y^{\prime } = \frac {x y}{x^{2}+y^{2}} \]

14401

\[ {} y^{\prime } = x \sqrt {1-y^{2}} \]

14402

\[ {} y^{\prime } = x \sqrt {1-y^{2}} \]

14403

\[ {} y^{\prime } = x \sqrt {1-y^{2}} \]

14404

\[ {} y^{\prime } = -\frac {x}{2}+\frac {\sqrt {x^{2}+4 y}}{2} \]

14406

\[ {} y^{\prime } = -\frac {x}{2}+\frac {\sqrt {x^{2}+4 y}}{2} \]

14407

\[ {} y^{\prime } = -\frac {x}{2}+\frac {\sqrt {x^{2}+4 y}}{2} \]

14411

\[ {} x \left (x -3\right ) y^{\prime \prime }+3 y^{\prime } = x^{2} \]

14412

\[ {} x \left (x -3\right ) y^{\prime \prime }+3 y^{\prime } = x^{2} \]

14413

\[ {} \sqrt {1-x}\, y^{\prime \prime }-4 y = \sin \left (x \right ) \]

14414

\[ {} \left (x^{2}-4\right ) y^{\prime \prime }+y \ln \left (x \right ) = {\mathrm e}^{x} x \]

14418

\[ {} 2 y y^{\prime \prime }-{y^{\prime }}^{2} = 0 \]

14472

\[ {} 2 y+y^{\prime } = \left \{\begin {array}{cc} 2 & 0\le x <1 \\ 1 & 1\le x \end {array}\right . \]

14473

\[ {} y^{\prime \prime }-y^{\prime }-2 y = \left \{\begin {array}{cc} 1 & 2\le x <4 \\ 0 & \operatorname {otherwise} \end {array}\right . \]

14474

\[ {} y^{\prime \prime }-2 y^{\prime } = \left \{\begin {array}{cc} 0 & 0\le x <1 \\ \left (x -1\right )^{2} & 1\le x \end {array}\right . \]

14475

\[ {} y^{\prime \prime }-2 y^{\prime }+y = \left \{\begin {array}{cc} 0 & 0\le x <1 \\ x^{2}-2 x +3 & 1\le x \end {array}\right . \]

14478

\[ {} y^{\prime \prime }-4 y^{\prime }+5 y = \left \{\begin {array}{cc} x & 0\le x <1 \\ 1 & 1\le x \end {array}\right . \]

14483

\[ {} y^{\prime \prime }-2 y^{\prime }+5 y = \cos \left (x \right )+2 \delta \left (x -\pi \right ) \]

14489

\[ {} \left [y_{1}^{\prime }\left (x \right ) = \frac {2 y_{1} \left (x \right )}{x}-\frac {y_{2} \left (x \right )}{x^{2}}-3+\frac {1}{x}-\frac {1}{x^{2}}, y_{2}^{\prime }\left (x \right ) = 2 y_{1} \left (x \right )+1-6 x\right ] \]

14492

\[ {} \left [y_{1}^{\prime }\left (x \right ) = \sin \left (x \right ) y_{1} \left (x \right )+\sqrt {x}\, y_{2} \left (x \right )+\ln \left (x \right ), y_{2}^{\prime }\left (x \right ) = \tan \left (x \right ) y_{1} \left (x \right )-{\mathrm e}^{x} y_{2} \left (x \right )+1\right ] \]

14493

\[ {} \left [y_{1}^{\prime }\left (x \right ) = \sin \left (x \right ) y_{1} \left (x \right )+\sqrt {x}\, y_{2} \left (x \right )+\ln \left (x \right ), y_{2}^{\prime }\left (x \right ) = \tan \left (x \right ) y_{1} \left (x \right )-{\mathrm e}^{x} y_{2} \left (x \right )+1\right ] \]

14494

\[ {} \left [y_{1}^{\prime }\left (x \right ) = {\mathrm e}^{-x} y_{1} \left (x \right )-\sqrt {1+x}\, y_{2} \left (x \right )+x^{2}, y_{2}^{\prime }\left (x \right ) = \frac {y_{1} \left (x \right )}{\left (x -2\right )^{2}}\right ] \]

14495

\[ {} \left [y_{1}^{\prime }\left (x \right ) = {\mathrm e}^{-x} y_{1} \left (x \right )-\sqrt {1+x}\, y_{2} \left (x \right )+x^{2}, y_{2}^{\prime }\left (x \right ) = \frac {y_{1} \left (x \right )}{\left (x -2\right )^{2}}\right ] \]

14507

\[ {} [y_{1}^{\prime }\left (x \right ) = 2 y_{1} \left (x \right ) x -x^{2} y_{2} \left (x \right )+4 x, y_{2}^{\prime }\left (x \right ) = {\mathrm e}^{x} y_{1} \left (x \right )+3 \,{\mathrm e}^{-x} y_{2} \left (x \right )-\cos \left (3 x \right )] \]

14544

\[ {} y^{\prime } = \frac {4 t}{1+3 y^{2}} \]

14555

\[ {} y^{\prime } = -y^{2} \]

14573

\[ {} y^{\prime } = \left (y+\frac {1}{2}\right ) \left (t +y\right ) \]

14577

\[ {} S^{\prime } = S^{3}-2 S^{2}+S \]

14595

\[ {} y^{\prime } = t -y^{2} \]

14596

\[ {} y^{\prime } = y^{2}-4 t \]

14597

\[ {} y^{\prime } = \sin \left (y\right ) \]

14598

\[ {} w^{\prime } = \left (3-w\right ) \left (w+1\right ) \]

14599

\[ {} w^{\prime } = \left (3-w\right ) \left (w+1\right ) \]

14603

\[ {} y^{\prime } = 2 y^{3}+t^{2} \]

14604

\[ {} y^{\prime } = \sqrt {y} \]

14607

\[ {} y^{\prime } = y \left (-1+y\right ) \left (y-3\right ) \]

14608

\[ {} y^{\prime } = y \left (-1+y\right ) \left (y-3\right ) \]

14609

\[ {} y^{\prime } = y \left (-1+y\right ) \left (y-3\right ) \]

14610

\[ {} y^{\prime } = y \left (-1+y\right ) \left (y-3\right ) \]

14619

\[ {} y^{\prime } = 3 y \left (-2+y\right ) \]

14620

\[ {} y^{\prime } = y^{2}-4 y-12 \]

14621

\[ {} y^{\prime } = y^{2}-4 y-12 \]

14622

\[ {} y^{\prime } = y^{2}-4 y-12 \]

14623

\[ {} y^{\prime } = y^{2}-4 y-12 \]

14624

\[ {} y^{\prime } = \cos \left (y\right ) \]

14625

\[ {} y^{\prime } = \cos \left (y\right ) \]

14626

\[ {} y^{\prime } = \cos \left (y\right ) \]

14627

\[ {} y^{\prime } = \cos \left (y\right ) \]

14651

\[ {} y^{\prime } = \cos \left (\frac {\pi y}{2}\right ) \]

14687

\[ {} y^{\prime } = -y \,{\mathrm e}^{-t^{2}}+\cos \left (t \right ) \]

14690

\[ {} y^{\prime } = t^{r} y+4 \]

14699

\[ {} y^{\prime } = \left (y-3\right ) \left (\sin \left (y\right ) \sin \left (t \right )+\cos \left (t \right )+1\right ) \]

14718

\[ {} y^{\prime } = 1-y^{2} \]

14722

\[ {} y^{\prime } = \left (-1+y\right ) \left (-2+y\right ) \left (y-{\mathrm e}^{\frac {t}{2}}\right ) \]