2.3.123 Problems 12201 to 12300

Table 2.819: Main lookup table. Sorted by time used to solve.

#

ID

ODE

Solved?

Maple

Mma

Sympy

time(sec)

12201

25340

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

Series expansion around \(t=0\).

1.017

12202

27171

\begin{align*} x_{1}^{\prime }&=2 x_{1}-3 x_{2}+x_{3}+10 \,{\mathrm e}^{2 t} \\ x_{2}^{\prime }&=2 x_{2}+4 x_{3}+6 \,{\mathrm e}^{2 t} \\ x_{3}^{\prime }&=x_{3}-{\mathrm e}^{2 t} \\ \end{align*}

With initial conditions

\begin{align*} x_{1} \left (0\right ) &= 5 \\ x_{2} \left (0\right ) &= 11 \\ x_{3} \left (0\right ) &= -2 \\ \end{align*}

1.017

12203

27371

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

1.017

12204

27449

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

1.017

12205

814

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

1.018

12206

13051

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

1.018

12207

990

\begin{align*} x_{1}^{\prime }&=3 x_{1}+x_{3} \\ x_{2}^{\prime }&=9 x_{1}-x_{2}+2 x_{3} \\ x_{3}^{\prime }&=-9 x_{1}+4 x_{2}-x_{3} \\ \end{align*}

With initial conditions

\begin{align*} x_{1} \left (0\right ) &= 0 \\ x_{2} \left (0\right ) &= 0 \\ x_{3} \left (0\right ) &= 17 \\ \end{align*}

1.019

12208

2647

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

Series expansion around \(t=0\).

1.019

12209

5807

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

1.019

12210

6389

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

1.019

12211

6477

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

1.019

12212

6712

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

1.019

12213

13108

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

1.019

12214

16969

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

1.019

12215

18440

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

1.019

12216

2447

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

Series expansion around \(t=0\).

1.020

12217

3844

\begin{align*} x_{1}^{\prime }&=3 x_{1}-x_{3} \\ x_{2}^{\prime }&=-3 x_{2}-x_{3} \\ x_{3}^{\prime }&=2 x_{2}-x_{3} \\ \end{align*}

1.020

12218

8395

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

1.020

12219

9986

\begin{align*} x^{\prime }&=6 x-7 y+10 \\ y^{\prime }&=x-2 y-2 \,{\mathrm e}^{t} \\ \end{align*}

1.020

12220

16624

\begin{align*} y-2 y^{\prime }+y^{\prime \prime }&=\left (-6 x -8\right ) \cos \left (2 x \right )+\left (8 x -11\right ) \sin \left (2 x \right ) \\ \end{align*}

1.020

12221

5769

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

1.021

12222

8737

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

1.021

12223

15197

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

Using Laplace transform method.

1.021

12224

17726

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

Series expansion around \(x=0\).

1.021

12225

19632

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

Using Laplace transform method.

1.021

12226

22880

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

Series expansion around \(x=0\).

1.021

12227

12458

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

1.022

12228

14681

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

1.022

12229

20643

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

1.022

12230

1970

\begin{align*} x^{2} \left (6+x \right ) y^{\prime \prime }+x \left (11+4 x \right ) y^{\prime }+\left (2 x +1\right ) y&=0 \\ \end{align*}

Series expansion around \(x=0\).

1.023

12231

2407

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

1.023

12232

4161

\begin{align*} y^{\prime \prime }+9 y&=8 \sin \left (x \right ) \\ y \left (\frac {\pi }{2}\right ) &= -1 \\ y^{\prime }\left (\frac {\pi }{2}\right ) &= 1 \\ \end{align*}

1.023

12233

18632

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

1.023

12234

1950

\begin{align*} 8 x^{2} y^{\prime \prime }-2 x \left (-x^{2}-4 x +3\right ) y^{\prime }+\left (x^{2}+6 x +3\right ) y&=0 \\ \end{align*}

Series expansion around \(x=0\).

1.024

12235

4180

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

Series expansion around \(x=0\).

1.024

12236

4542

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

1.024

12237

18090

\begin{align*} y^{\prime \prime } \left (x +2\right )^{5}&=1 \\ y \left (-1\right ) &= {\frac {1}{12}} \\ y^{\prime }\left (-1\right ) &= -{\frac {1}{4}} \\ \end{align*}

1.024

12238

9950

\begin{align*} \left (-x^{2}+1\right ) y^{\prime \prime }-10 x y^{\prime }-18 y&=0 \\ \end{align*}

Series expansion around \(x=0\).

1.025

12239

13105

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

1.025

12240

19430

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

1.025

12241

2644

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

Series expansion around \(t=0\).

1.026

12242

3356

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

Series expansion around \(x=0\).

1.026

12243

4537

\begin{align*} y_{1}^{\prime }-y_{2}&=0 \\ 4 y_{1}+y_{2}^{\prime }-4 y_{2}-2 y_{3}&=0 \\ -2 y_{1}+y_{2}+y_{3}^{\prime }+y_{3}&=0 \\ \end{align*}

1.026

12244

7976

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

1.026

12245

9830

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

1.026

12246

17591

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

1.026

12247

25343

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

Series expansion around \(t=0\).

1.026

12248

25950

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

1.026

12249

595

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

1.027

12250

9382

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

Series expansion around \(x=0\).

1.027

12251

22204

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

Series expansion around \(x=0\).

1.027

12252

23372

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

1.027

12253

1820

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

1.028

12254

1830

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

1.028

12255

14859

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

1.028

12256

20015

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

1.028

12257

22835

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

Series expansion around \(x=0\).

1.028

12258

18730

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

1.029

12259

19761

\begin{align*} t^{4} x^{\prime \prime \prime \prime }-2 t^{3} x^{\prime \prime \prime }-20 t^{2} x^{\prime \prime }+12 x^{\prime } t +16 x&=\cos \left (3 \ln \left (t \right )\right ) \\ \end{align*}

1.029

12260

19979

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

1.029

12261

20775

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

1.029

12262

237

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

1.030

12263

1191

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

1.030

12264

3332

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

1.030

12265

3972

\begin{align*} y+y^{\prime }&=\delta \left (t -5\right ) \\ y \left (0\right ) &= 3 \\ \end{align*}

Using Laplace transform method.

1.030

12266

13277

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

1.030

12267

19008

\begin{align*} x_{1}^{\prime }&=-4 x_{1}+2 x_{2}-x_{3} \\ x_{2}^{\prime }&=-6 x_{1}-3 x_{3} \\ x_{3}^{\prime }&=\frac {8 x_{2}}{3}-2 x_{3} \\ \end{align*}

1.030

12268

19227

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

1.030

12269

20571

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

1.030

12270

20639

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

1.030

12271

21904

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

Series expansion around \(x=0\).

1.030

12272

24872

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

1.030

12273

15268

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

1.031

12274

19197

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

1.031

12275

27118

\(\left [\begin {array}{cccc} 1 & 0 & 0 & 0 \\ 0 & 4 & 1 & 0 \\ 0 & 0 & -3 & 1 \\ 0 & 0 & 1 & -2 \end {array}\right ]\)

N/A

N/A

N/A

1.031

12276

7914

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

1.032

12277

9401

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

Series expansion around \(x=0\).

1.032

12278

12998

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

1.032

12279

14334

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

1.032

12280

14624

\begin{align*} y^{\prime \prime }+6 y^{\prime }+5 y&=2 \,{\mathrm e}^{x}+10 \,{\mathrm e}^{5 x} \\ \end{align*}

1.032

12281

18680

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

1.032

12282

18832

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

1.032

12283

22924

\begin{align*} x^{\prime }-x+2 y^{\prime }+7 y&=3 t -15 \\ 2 x^{\prime }+y^{\prime }+x+5 y&=9 t -7 \\ \end{align*}

With initial conditions

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

1.032

12284

272

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

1.033

12285

1947

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

Series expansion around \(x=0\).

1.033

12286

2453

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

Series expansion around \(t=0\).

1.033

12287

3270

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

1.033

12288

5774

\begin{align*} y-2 y^{\prime }+y^{\prime \prime }&=8 x^{2} {\mathrm e}^{3 x} \\ \end{align*}

1.033

12289

10379

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

1.033

12290

12419

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

1.033

12291

15090

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

1.033

12292

15454

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

1.033

12293

18028

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

1.033

12294

21584

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

1.033

12295

22160

\begin{align*} y^{\prime \prime }+4 y^{\prime }+8 y&=\sin \left (x \right ) \\ y \left (0\right ) &= 1 \\ y^{\prime }\left (0\right ) &= 0 \\ \end{align*}

1.033

12296

22687

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

1.033

12297

14120

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

1.034

12298

16009

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

With initial conditions

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

1.034

12299

21234

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

1.034

12300

21640

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

Series expansion around \(x=0\).

1.034