2.3.201 Problems 20001 to 20100

Table 2.975: Main lookup table. Sorted by time used to solve.

#

ID

ODE

Solved?

Maple

Mma

Sympy

time(sec)

20001

24197

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

4.329

20002

11482

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

4.330

20003

19302

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

4.332

20004

15652

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

4.333

20005

18743

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

4.333

20006

5223

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

4.334

20007

7394

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

4.334

20008

4634

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

4.335

20009

7927

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

4.335

20010

5716

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

4.336

20011

12185

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

4.336

20012

770

\begin{align*} \frac {2 x^{{5}/{2}}-3 y^{{5}/{3}}}{2 x^{{5}/{2}} y^{{2}/{3}}}+\frac {\left (3 y^{{5}/{3}}-2 x^{{5}/{2}}\right ) y^{\prime }}{3 x^{{3}/{2}} y^{{5}/{3}}}&=0 \\ \end{align*}

4.339

20013

18895

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

Using Laplace transform method.

4.340

20014

5219

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

4.343

20015

8388

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

4.344

20016

2488

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

4.345

20017

15651

\begin{align*} y^{\prime }&=-\frac {x}{2}+\frac {\sqrt {x^{2}+4 y}}{2} \\ y \left (1\right ) &= -{\frac {1}{5}} \\ \end{align*}

4.345

20018

6325

\begin{align*} y^{\prime \prime }&=\operatorname {f4} \left (x \right )+\operatorname {f3} \left (x \right ) y+\operatorname {f2} \left (x \right ) y^{2}+\left (\operatorname {f1} \left (x \right )-2 y\right ) y^{\prime } \\ \end{align*}

4.346

20019

8510

\begin{align*} x y^{\prime \prime }+\left (x +3\right ) y^{\prime }+7 x^{2} y&=0 \\ \end{align*}

Series expansion around \(x=0\).

4.346

20020

12149

\begin{align*} y^{\prime }&=\frac {-x +1-2 y+3 x^{2}-2 x^{2} y+2 x^{4}+x^{3}-2 x^{3} y+2 x^{5}}{x^{2}-y} \\ \end{align*}

4.346

20021

1142

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

4.348

20022

13924

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

4.351

20023

4663

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

4.352

20024

20977

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

4.355

20025

7875

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

4.356

20026

11830

\begin{align*} x^{7} y^{2} {y^{\prime }}^{3}-\left (3 x^{6} y^{3}-1\right ) {y^{\prime }}^{2}+3 x^{5} y^{4} y^{\prime }-x^{4} y^{5}&=0 \\ \end{align*}

4.356

20027

23129

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

4.356

20028

26881

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

4.356

20029

1593

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

4.357

20030

5225

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

4.357

20031

22044

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

4.358

20032

26912

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

4.358

20033

11373

\begin{align*} y^{\prime }-\operatorname {R1} \left (x , \sqrt {a_{4} x^{4}+a_{3} x^{3}+a_{2} x^{2}+a_{1} x +a_{0}}\right ) \operatorname {R2} \left (y, \sqrt {b_{4} y^{4}+b_{3} y^{3}+b_{2} y^{2}+b_{1} y+b_{0}}\right )&=0 \\ \end{align*}

4.359

20034

18185

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

4.359

20035

12179

\begin{align*} y^{\prime }&=\frac {32 x^{5}+64 x^{6}+64 x^{6} y^{2}+32 x^{4} y+4 x^{2}+64 x^{6} y^{3}+48 y^{2} x^{4}+12 x^{2} y+1}{64 x^{8}} \\ \end{align*}

4.360

20036

18802

\begin{align*} x^{2} y^{\prime \prime }+3 x y^{\prime }+\frac {5 y}{4}&=0 \\ \end{align*}

4.361

20037

20428

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

4.361

20038

5605

\begin{align*} 9 x y^{4} {y^{\prime }}^{2}-3 y^{5} y^{\prime }-a&=0 \\ \end{align*}

4.363

20039

21719

\begin{align*} y^{\prime \prime }+4 y&=\left \{\begin {array}{cc} 4 t & 0\le t \le 1 \\ 4 & 1<t \end {array}\right . \\ y \left (0\right ) &= 1 \\ y^{\prime }\left (0\right ) &= 0 \\ \end{align*}

Using Laplace transform method.

4.364

20040

10120

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

4.365

20041

14080

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

4.367

20042

6360

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

4.369

20043

7024

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

4.370

20044

18570

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

4.371

20045

4223

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

4.372

20046

7224

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

4.372

20047

14031

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

4.372

20048

12154

\begin{align*} y^{\prime }&=\frac {\left (-256 a \,x^{2}+512+512 y^{2}+128 y a \,x^{4}+8 a^{2} x^{8}+512 y^{3}+192 x^{4} a y^{2}+24 y a^{2} x^{8}+a^{3} x^{12}\right ) x}{512} \\ \end{align*}

4.374

20049

16304

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

4.374

20050

26909

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

4.374

20051

21041

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

4.378

20052

4715

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

4.379

20053

13237

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

4.380

20054

14289

\begin{align*} x^{\prime \prime }+9 x&=0 \\ x \left (0\right ) &= 1 \\ x^{\prime }\left (0\right ) &= 0 \\ \end{align*}

4.380

20055

4936

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

4.385

20056

19911

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

4.385

20057

15122

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

4.387

20058

708

\begin{align*} x y^{\prime }+2 y&=3 x \\ y \left (1\right ) &= 5 \\ \end{align*}

4.388

20059

17273

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

4.389

20060

18838

\begin{align*} y^{\prime \prime }-5 y^{\prime }+6 y&={\mathrm e}^{t} \cos \left (2 t \right )+{\mathrm e}^{2 t} \left (3 t +4\right ) \sin \left (t \right ) \\ \end{align*}

4.389

20061

16349

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

4.390

20062

18048

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

4.392

20063

3608

\begin{align*} m v^{\prime }&=m g -k v^{2} \\ v \left (0\right ) &= 0 \\ \end{align*}

4.395

20064

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*}

4.395

20065

10318

\begin{align*} y^{\prime }&=\sqrt {1+6 x +y} \\ \end{align*}

4.395

20066

14119

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

4.395

20067

17934

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

4.395

20068

27332

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

4.395

20069

1580

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

4.396

20070

4625

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

4.397

20071

13669

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

4.397

20072

18359

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

4.397

20073

4787

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

4.398

20074

7845

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

4.398

20075

17861

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

4.398

20076

19088

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

4.398

20077

7524

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

4.400

20078

2844

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

4.401

20079

15583

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

4.401

20080

18519

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

4.401

20081

20797

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

4.401

20082

11958

\begin{align*} y^{\prime }&=\frac {y+x^{3} a \,{\mathrm e}^{x}+a \,x^{4}+a \,x^{3}-x y^{2} {\mathrm e}^{x}-x^{2} y^{2}-x y^{2}}{x} \\ \end{align*}

4.402

20083

3042

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

4.404

20084

5079

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

4.404

20085

24135

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

4.404

20086

21347

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

4.405

20087

8442

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

4.406

20088

3524

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

4.407

20089

3603

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

4.407

20090

25498

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

4.407

20091

4638

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

4.408

20092

8368

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

4.408

20093

24940

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

4.408

20094

1579

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

4.409

20095

5868

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

4.409

20096

6529

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

4.409

20097

16246

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

4.412

20098

4720

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

4.414

20099

17334

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

4.414

20100

6977

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

4.415