5.3.48 Problems 4701 to 4800

Table 5.129: Problems not solved by Sympy

#

ODE

Mathematica

Maple

Sympy

14141

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

14143

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

14144

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

14152

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

14154

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

14157

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

14192

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

14196

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

14209

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

14225

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

14226

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

14227

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

14228

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

14229

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

14280

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

14281

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

14288

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

14293

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

14294

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

14303

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

14313

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

14314

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

14353

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

14362

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

14364

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

14367

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

14373

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

14375

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

14376

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

14377

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

14378

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

14379

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

14381

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

14382

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

14384

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

14390

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

14393

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

14394

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

14395

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

14396

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

14398

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

14399

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

14403

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

14404

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

14405

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

14406

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

14410

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

14464

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

14465

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

14466

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

14467

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

14470

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

14475

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

14481

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

14484

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

14485

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

14486

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

14487

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

14499

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

14536

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

14547

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

14565

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

14569

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

14587

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

14588

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

14589

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

14590

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

14591

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

14595

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

14596

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

14599

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

14600

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

14601

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

14602

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

14611

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

14612

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

14613

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

14614

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

14615

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

14616

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

14617

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

14618

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

14619

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

14643

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

14679

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

14682

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

14691

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

14710

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

14714

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

14717

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

14886

\[ {} y^{\prime \prime }+4 y^{\prime }+9 y = 20 \operatorname {Heaviside}\left (t -2\right ) \sin \left (t -2\right ) \]

14893

\[ {} y^{\prime \prime }+y^{\prime }+5 y = \operatorname {Heaviside}\left (t -2\right ) \sin \left (4 t -8\right ) \]

14894

\[ {} y^{\prime \prime }+y^{\prime }+8 y = \left (1-\operatorname {Heaviside}\left (t -4\right )\right ) \cos \left (t -4\right ) \]

14895

\[ {} y^{\prime \prime }+y^{\prime }+3 y = \left (1-\operatorname {Heaviside}\left (t -2\right )\right ) {\mathrm e}^{-\frac {t}{10}+\frac {1}{5}} \sin \left (t -2\right ) \]

14907

\[ {} y^{2} y^{\prime \prime } = 8 x^{2} \]

14946

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

14949

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

14954

\[ {} y^{\prime }+\left (8-x \right ) y-y^{2} = -8 x \]

14958

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

14975

\[ {} y y^{\prime } = 3 \sqrt {x y^{2}+9 x} \]