2.3.166 Problems 16501 to 16600

Table 2.863: Main lookup table. Sorted by time used to solve.

#

ID

ODE

Solved?

Maple

Mma

Sympy

time(sec)

16501

15339

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

1.612

16502

15893

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

1.612

16503

1555

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

1.614

16504

16950

\begin{align*} x^{\prime }&=2 x-5 y+4 \\ y^{\prime }&=3 x-7 y+5 \\ \end{align*}

1.614

16505

17529

\begin{align*} t^{2} y^{\prime \prime }-4 t y^{\prime }-6 y&=2 \ln \left (t \right ) \\ \end{align*}

1.614

16506

23984

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

1.614

16507

9088

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

1.615

16508

13387

\begin{align*} \left (\cos \left (\lambda x \right ) a +b \right ) y^{\prime }&=y^{2}+c \cos \left (\mu x \right ) y-d^{2}+c d \cos \left (\mu x \right ) \\ \end{align*}

1.615

16509

15120

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

1.615

16510

15847

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

1.615

16511

8238

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

1.616

16512

15373

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

1.616

16513

20605

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

1.617

16514

15861

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

1.618

16515

24249

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

1.618

16516

2570

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

1.619

16517

9344

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

1.619

16518

15283

\begin{align*} x^{\prime }&=2 x+4 y-2 z-2 \sinh \left (t \right ) \\ y^{\prime }&=4 x+2 y-2 z+10 \cosh \left (t \right ) \\ z^{\prime }&=-x+3 y+z+5 \\ \end{align*}

1.619

16519

21173

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

1.619

16520

21697

\begin{align*} -a b y+\left (c -\left (a +b +1\right ) x \right ) y^{\prime }+\left (1-x \right ) x y^{\prime \prime }&=0 \\ \end{align*}
Series expansion around \(x=0\).

1.619

16521

21459

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

1.620

16522

2094

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

1.621

16523

3329

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

1.621

16524

4885

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

1.621

16525

23056

\begin{align*} \frac {r^{\prime }}{r}&=\tan \left (\theta \right ) \\ \end{align*}

1.621

16526

213

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

1.622

16527

4902

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

1.622

16528

14562

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

1.622

16529

15891

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

1.622

16530

1531

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

1.623

16531

9786

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

1.623

16532

11447

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

1.623

16533

25455

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

1.623

16534

8769

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

1.624

16535

4977

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

1.625

16536

14561

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

1.626

16537

2066

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

1.627

16538

19364

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

1.628

16539

25275

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

1.628

16540

120

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

1.629

16541

21488

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

1.629

16542

2095

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

1.630

16543

11680

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

1.630

16544

9008

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

1.631

16545

15401

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

1.631

16546

16304

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

1.631

16547

17029

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

1.631

16548

19104

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

1.631

16549

24323

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

1.631

16550

132

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

1.632

16551

903

\begin{align*} x^{2} y^{\prime \prime }-4 y^{\prime } x +6 y&=x^{3} \\ \end{align*}

1.632

16552

8759

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

1.632

16553

14183

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

1.632

16554

15054

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

1.632

16555

17142

\begin{align*} -y+y^{\prime }&=4 t \,{\mathrm e}^{-t} \\ \end{align*}

1.632

16556

12366

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

1.634

16557

13274

\begin{align*} x^{n +1} y^{\prime }&=x^{2 n} a y^{2}+b \,x^{n} y+c \,x^{m}+d \\ \end{align*}

1.634

16558

15952

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

1.634

16559

25042

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

1.634

16560

1101

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

1.635

16561

1244

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

1.635

16562

10264

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

1.635

16563

17646

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

1.635

16564

19055

\begin{align*} x_{1}^{\prime }&=-8 x_{1}-16 x_{2}-16 x_{3}-17 x_{4} \\ x_{2}^{\prime }&=-2 x_{1}-10 x_{2}-8 x_{3}-7 x_{4} \\ x_{3}^{\prime }&=-2 x_{1}-2 x_{3}-3 x_{4} \\ x_{4}^{\prime }&=6 x_{1}+14 x_{2}+14 x_{3}+14 x_{4} \\ \end{align*}

1.635

16565

23143

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

1.635

16566

25279

\begin{align*} t y^{\prime \prime }-y^{\prime }+4 t^{3} y&=4 t^{5} \\ \end{align*}

1.635

16567

5863

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

1.636

16568

10053

\begin{align*} 3 y y^{\prime \prime }+y&=5 \\ \end{align*}

1.636

16569

8887

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

1.637

16570

20864

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

1.637

16571

82

\begin{align*} 2 y^{\prime } x -3 y&=9 x^{3} \\ \end{align*}

1.638

16572

124

\begin{align*} y^{2} y^{\prime }+2 x y^{3}&=6 x \\ \end{align*}

1.638

16573

8474

\begin{align*} e^{\prime }&=-\frac {e}{r c} \\ e \left (4\right ) &= e_{0} \\ \end{align*}

1.638

16574

10148

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

1.638

16575

13875

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

1.638

16576

15944

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

1.638

16577

16365

\begin{align*} y^{\prime }&=4 y-\frac {16 \,{\mathrm e}^{4 x}}{y^{2}} \\ \end{align*}

1.638

16578

16679

\begin{align*} 2 x^{2} y^{\prime \prime }-y^{\prime } x +y&=\frac {50}{x^{3}} \\ \end{align*}

1.638

16579

20231

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

1.638

16580

21662

\begin{align*} -a b y+\left (c -\left (a +b +1\right ) x \right ) y^{\prime }+\left (1-x \right ) x y^{\prime \prime }&=0 \\ \end{align*}
Series expansion around \(x=0\).

1.638

16581

1172

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

1.639

16582

3220

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

1.639

16583

4263

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

1.639

16584

5136

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

1.639

16585

19116

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

1.639

16586

1118

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

1.640

16587

4077

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

1.640

16588

13681

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

1.640

16589

16223

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

1.641

16590

18520

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

1.641

16591

4198

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

1.642

16592

16756

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

1.642

16593

24974

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

1.642

16594

4723

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

1.643

16595

9009

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

1.643

16596

18052

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

1.643

16597

1496

\begin{align*} y^{\prime \prime }+2 y^{\prime }+2 y&=\left \{\begin {array}{cc} 1 & \pi \le t <2 \pi \\ 0 & \operatorname {otherwise} \end {array}\right . \\ y \left (0\right ) &= 0 \\ y^{\prime }\left (0\right ) &= 1 \\ \end{align*}
Using Laplace transform method.

1.644

16598

2099

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

1.644

16599

3439

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

1.644

16600

7005

\begin{align*} y^{\prime }+a y&=k \,{\mathrm e}^{b x} \\ \end{align*}

1.644