2.3.158 Problems 15701 to 15800

Table 2.889: Main lookup table. Sorted by time used to solve.

#

ID

ODE

Solved?

Maple

Mma

Sympy

time(sec)

15701

1065

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

2.020

15702

9210

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

2.020

15703

18827

\begin{align*} u^{\prime \prime }+w_{0}^{2} u&=\cos \left (w t \right ) \\ \end{align*}

2.020

15704

20098

\begin{align*} x^{2} y^{\prime \prime }+2 x y^{\prime }-20 y&=\left (x +1\right )^{2} \\ \end{align*}

2.020

15705

22302

\begin{align*} x^{2} y^{\prime \prime }+2 x y^{\prime }-12 y&=2 x^{2} \\ \end{align*}

2.020

15706

8298

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

2.022

15707

25482

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

2.022

15708

179

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

2.023

15709

24266

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

2.023

15710

26152

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

2.023

15711

6354

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

2.025

15712

10054

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

2.025

15713

3631

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

2.026

15714

21171

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

2.026

15715

26685

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

2.026

15716

6098

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

2.027

15717

20432

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

2.027

15718

26886

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

2.027

15719

1237

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

2.029

15720

25198

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

2.029

15721

5910

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

2.030

15722

9645

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

Using Laplace transform method.

2.030

15723

12519

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

2.030

15724

13697

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

2.030

15725

16069

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

2.030

15726

1560

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

2.031

15727

14

\begin{align*} x^{\prime \prime }&=2 t +1 \\ x \left (0\right ) &= 4 \\ x^{\prime }\left (0\right ) &= -7 \\ \end{align*}

2.032

15728

808

\begin{align*} y^{\prime \prime }-9 y&=0 \\ y \left (0\right ) &= -1 \\ y^{\prime }\left (0\right ) &= 15 \\ \end{align*}

2.033

15729

5645

\begin{align*} 8 {y^{\prime }}^{3}+12 {y^{\prime }}^{2}&=27 x +27 y \\ \end{align*}

2.033

15730

26189

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

2.033

15731

9145

\begin{align*} \frac {4 y^{2}-2 x^{2}}{4 x y^{2}-x^{3}}+\frac {\left (8 y^{2}-x^{2}\right ) y^{\prime }}{4 y^{3}-x^{2} y}&=0 \\ \end{align*}

2.034

15732

14085

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

2.034

15733

20600

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

2.034

15734

26371

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

2.034

15735

27202

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

2.034

15736

8297

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

2.035

15737

11507

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

2.035

15738

6032

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

2.036

15739

7436

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

2.036

15740

6093

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

2.037

15741

13877

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

2.037

15742

21664

\begin{align*} \cos \left (x \right ) u^{\prime \prime }+\sin \left (x \right ) u^{\prime }+\left (\cos \left (x \right )+\sin \left (x \right )\right ) u&=0 \\ u \left (\frac {\pi }{4}\right ) &= 2 \\ u^{\prime }\left (\frac {\pi }{4}\right ) &= 0 \\ \end{align*}

Series expansion around \(x=\frac {\pi }{4}\).

2.037

15743

15855

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

2.038

15744

1124

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

2.039

15745

1229

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

2.040

15746

17621

\begin{align*} 4 x^{2} y^{\prime \prime }+8 x y^{\prime }+y&=0 \\ \end{align*}

2.040

15747

9051

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

2.041

15748

9277

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

2.041

15749

22725

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

2.041

15750

13748

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

2.043

15751

17162

\begin{align*} v^{\prime }+v&={\mathrm e}^{-s} \\ \end{align*}

2.043

15752

14647

\begin{align*} y^{\prime \prime }+6 y^{\prime }+9 y&=27 \,{\mathrm e}^{-6 x} \\ y \left (0\right ) &= -2 \\ y^{\prime }\left (0\right ) &= 0 \\ \end{align*}

2.044

15753

15173

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

2.044

15754

6479

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

2.046

15755

19489

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

2.046

15756

26375

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

2.046

15757

5739

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

2.047

15758

19158

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

2.048

15759

26863

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

2.048

15760

5818

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

2.049

15761

15905

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

2.049

15762

17520

\begin{align*} y^{\prime \prime }+9 y&=\frac {\csc \left (3 t \right )}{2} \\ y \left (\frac {\pi }{4}\right ) &= \sqrt {2} \\ y^{\prime }\left (\frac {\pi }{4}\right ) &= 0 \\ \end{align*}

2.049

15763

20458

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

2.049

15764

3306

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

2.050

15765

8214

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

2.050

15766

10227

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

2.050

15767

14284

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

2.050

15768

17176

\begin{align*} y+y^{\prime }&=\left \{\begin {array}{cc} t & 0\le t <1 \\ 0 & 1\le t \end {array}\right . \\ y \left (0\right ) &= 1 \\ \end{align*}

2.050

15769

3026

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

2.052

15770

25402

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

2.052

15771

26420

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

2.052

15772

8976

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

2.053

15773

16731

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

2.053

15774

26876

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

2.053

15775

15389

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

2.054

15776

7800

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

2.056

15777

10072

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

2.056

15778

12407

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

2.056

15779

19793

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

2.056

15780

503

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

Series expansion around \(x=0\).

2.058

15781

2531

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

2.058

15782

3002

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

2.059

15783

3155

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

2.059

15784

3563

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

2.059

15785

9440

\begin{align*} 9 \left (x -2\right )^{2} \left (x -3\right ) y^{\prime \prime }+6 x \left (x -2\right ) y^{\prime }+16 y&=0 \\ \end{align*}

Series expansion around \(x=\infty \).

2.059

15786

13737

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

2.059

15787

21434

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

2.059

15788

25179

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

2.060

15789

8299

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

2.061

15790

15284

\begin{align*} x^{\prime }&=2 x+6 y-2 z+50 \,{\mathrm e}^{t} \\ y^{\prime }&=6 x+2 y-2 z+21 \,{\mathrm e}^{-t} \\ z^{\prime }&=-x+6 y+z+9 \\ \end{align*}

2.061

15791

19774

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

2.061

15792

16361

\begin{align*} y^{\prime }-3 y&=12 \,{\mathrm e}^{2 x} \\ \end{align*}

2.062

15793

19176

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

2.062

15794

25562

\begin{align*} y^{\prime \prime }+\omega _{n}^{2} y&={\mathrm e}^{i \omega t} \\ \end{align*}

2.062

15795

7435

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

2.063

15796

20953

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

2.063

15797

5603

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

2.065

15798

12951

\begin{align*} 2 y y^{\prime \prime }-{y^{\prime }}^{2}-8 y^{3}-4 y^{2}&=0 \\ \end{align*}

2.065

15799

18310

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

2.065

15800

21333

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

2.065