2.3.173 Problems 17201 to 17300

Table 2.919: Main lookup table. Sorted by time used to solve.

#

ID

ODE

Solved?

Maple

Mma

Sympy

time(sec)

17201

19362

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

2.697

17202

681

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

2.698

17203

11897

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

2.698

17204

15861

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

2.698

17205

16370

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

2.701

17206

20325

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

2.701

17207

25439

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

2.701

17208

6060

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

2.703

17209

1530

\begin{align*} y^{\prime }&=\cos \left (x \right )-y \tan \left (x \right ) \\ y \left (\frac {\pi }{4}\right ) &= \frac {\pi \sqrt {2}}{8} \\ \end{align*}

2.704

17210

4216

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

2.704

17211

24807

\begin{align*} x^{8} {y^{\prime }}^{2}+3 x y^{\prime }+9 y&=0 \\ \end{align*}

2.704

17212

25291

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

Using Laplace transform method.

2.704

17213

26061

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

2.705

17214

21416

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

2.706

17215

21479

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

2.706

17216

713

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

2.707

17217

6212

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

2.707

17218

15918

\begin{align*} y^{\prime }&=-2 y t +4 \,{\mathrm e}^{-t^{2}} \\ \end{align*}

2.707

17219

18768

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

2.707

17220

16598

\begin{align*} x^{2} y^{\prime \prime }-4 x y^{\prime }+6 y&=1 \\ \end{align*}

2.708

17221

3465

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

2.709

17222

15796

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

2.709

17223

22708

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

2.710

17224

26143

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

2.710

17225

27220

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

2.710

17226

4767

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

2.711

17227

7865

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

2.711

17228

21045

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

2.711

17229

8435

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

2.713

17230

8458

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

2.713

17231

3268

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

2.714

17232

5646

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

2.714

17233

16604

\begin{align*} x^{2} y^{\prime \prime }-7 x y^{\prime }+15 y&=4 x^{2}+2 x +3 \\ \end{align*}

2.714

17234

16910

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

Series expansion around \(x=3\).

2.714

17235

18161

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

2.715

17236

24254

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

2.716

17237

9496

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

2.717

17238

19715

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

2.717

17239

24911

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

2.717

17240

24950

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

2.717

17241

718

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

2.718

17242

7793

\begin{align*} y^{\prime }-5 y&={\mathrm e}^{x} x^{2}-x \,{\mathrm e}^{5 x} \\ \end{align*}

2.718

17243

12022

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

2.718

17244

21450

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

2.718

17245

25458

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

2.718

17246

22236

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

Using Laplace transform method.

2.719

17247

11671

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

2.720

17248

17849

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

2.720

17249

26283

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

2.720

17250

26426

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

2.722

17251

688

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

2.723

17252

12453

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

2.724

17253

16924

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

Series expansion around \(x=3\).

2.724

17254

3426

\begin{align*} y^{\prime }&=\frac {{\mathrm e}^{t}}{y} \\ y \left (\ln \left (2\right )\right ) &= -8 \\ \end{align*}

2.726

17255

8324

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

2.726

17256

8451

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

2.726

17257

27137

\(\left [\begin {array}{ccc} i & 1 & 0 \\ -1 & 0 & 2 i \\ 0 & 2 i & 0 \end {array}\right ]\)

N/A

N/A

N/A

2.726

17258

27281

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

2.726

17259

15281

\begin{align*} x^{\prime }&=-7 x+10 y+18 \,{\mathrm e}^{t} \\ y^{\prime }&=-10 x+9 y+37 \\ \end{align*}

2.727

17260

20308

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

2.727

17261

20406

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

2.727

17262

23855

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

2.727

17263

12358

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

2.728

17264

15914

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

2.729

17265

4043

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

Series expansion around \(x=0\).

2.730

17266

21966

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

2.730

17267

8869

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

2.731

17268

25731

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

2.731

17269

27747

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

2.731

17270

20297

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

2.732

17271

11689

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

2.733

17272

19679

\begin{align*} x^{\prime }-x \tan \left (t \right )&=4 \sin \left (t \right ) \\ \end{align*}

2.733

17273

22066

\begin{align*} y^{\prime }-7 y&=14 x \\ \end{align*}

2.733

17274

11818

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

2.734

17275

24848

\begin{align*} x^{6} {y^{\prime }}^{2}-2 x y^{\prime }-4 y&=0 \\ \end{align*}

2.734

17276

7427

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

2.735

17277

7679

\begin{align*} y^{\prime }+\frac {y}{1-x}+2 x -x^{2}&=0 \\ \end{align*}

2.735

17278

21766

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

2.735

17279

26334

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

2.735

17280

14842

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

2.736

17281

26644

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

2.736

17282

5433

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

2.737

17283

6218

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

2.737

17284

8754

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

2.737

17285

13206

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

2.737

17286

17401

\begin{align*} y^{\prime \prime }+100 y&=0 \\ y \left (0\right ) &= 1 \\ y^{\prime }\left (0\right ) &= 10 \\ \end{align*}

2.737

17287

20350

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

2.737

17288

5981

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

2.738

17289

17639

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

2.739

17290

43

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

2.740

17291

97

\begin{align*} \left (x^{2}+1\right ) y^{\prime }+3 x^{3} y&=6 x \,{\mathrm e}^{-\frac {3 x^{2}}{2}} \\ y \left (0\right ) &= 1 \\ \end{align*}

2.740

17292

15913

\begin{align*} y^{\prime }-3 y&=2 t -{\mathrm e}^{4 t} \\ \end{align*}

2.740

17293

5696

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

2.741

17294

17458

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

2.743

17295

23197

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

2.743

17296

26878

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

2.743

17297

25431

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

2.744

17298

656

\begin{align*} y^{\prime }&=x \sqrt {x^{2}+9} \\ y \left (-4\right ) &= 0 \\ \end{align*}

2.746

17299

3540

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

2.747

17300

8464

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

2.747