2.3.183 Problems 18201 to 18300

Table 2.939: Main lookup table. Sorted by time used to solve.

#

ID

ODE

Solved?

Maple

Mma

Sympy

time(sec)

18201

4637

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

3.184

18202

4859

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

3.184

18203

27230

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

3.185

18204

15953

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

3.186

18205

24306

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

3.186

18206

4784

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

3.187

18207

9236

\begin{align*} x^{2} y^{\prime \prime }+3 x y^{\prime }+10 y&=0 \\ \end{align*}

3.187

18208

11616

\begin{align*} \left (10 x^{2} y^{3}-3 y^{2}-2\right ) y^{\prime }+5 x y^{4}+x&=0 \\ \end{align*}

3.187

18209

14840

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

3.187

18210

2469

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

Series expansion around \(t=0\).

3.188

18211

7430

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

3.188

18212

14242

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

3.188

18213

25862

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

3.188

18214

27318

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

3.188

18215

17781

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

3.189

18216

14902

\begin{align*} x^{\prime }+x \tanh \left (t \right )&=3 \\ \end{align*}

3.190

18217

21602

\begin{align*} x^{2} u^{\prime \prime }-3 u^{\prime } x +13 u&=0 \\ u \left (1\right ) &= -1 \\ u^{\prime }\left (1\right ) &= 1 \\ \end{align*}

3.190

18218

758

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

3.191

18219

13357

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

3.191

18220

15371

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

3.191

18221

27321

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

3.191

18222

7528

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

3.193

18223

6544

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

3.194

18224

16263

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

3.194

18225

191

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

3.195

18226

7676

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

3.196

18227

8545

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

Series expansion around \(x=0\).

3.196

18228

17042

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

3.196

18229

11394

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

3.197

18230

12687

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

3.197

18231

1583

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

3.198

18232

14280

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

3.198

18233

24300

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

3.198

18234

2518

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

3.199

18235

26212

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

3.199

18236

4642

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

3.200

18237

19136

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

3.200

18238

20099

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

3.200

18239

3458

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

3.201

18240

4698

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

3.201

18241

8344

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

3.201

18242

8646

\begin{align*} y^{\prime \prime }+4 y&=\left \{\begin {array}{cc} 8 t^{2} & 0<t <5 \\ 0 & 5<t \end {array}\right . \\ y \left (1\right ) &= 1+\cos \left (2\right ) \\ y^{\prime }\left (1\right ) &= 4-2 \sin \left (2\right ) \\ \end{align*}

Using Laplace transform method.

3.201

18243

12422

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

3.201

18244

17216

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

3.201

18245

19394

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

3.201

18246

3596

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

3.202

18247

7349

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

3.202

18248

14695

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

3.203

18249

774

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

3.204

18250

3597

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

3.204

18251

4194

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

3.204

18252

4227

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

3.204

18253

21407

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

3.204

18254

22282

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

3.204

18255

6823

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

3.205

18256

17147

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

3.206

18257

23865

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

3.206

18258

16280

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

3.207

18259

18520

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

3.207

18260

24278

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

3.207

18261

2458

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

Series expansion around \(t=0\).

3.208

18262

3015

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

3.208

18263

4531

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

Using Laplace transform method.

3.208

18264

11983

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

3.208

18265

26208

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

3.208

18266

19346

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

3.209

18267

1534

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

3.210

18268

4251

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

3.210

18269

8236

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

3.210

18270

4644

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

3.211

18271

6587

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

3.211

18272

12170

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

3.211

18273

12302

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

3.211

18274

17643

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

3.212

18275

24215

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

3.212

18276

26589

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

3.213

18277

3576

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

3.214

18278

14365

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

Using Laplace transform method.

3.214

18279

16929

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

Series expansion around \(x=0\).

3.214

18280

18522

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

3.214

18281

4727

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

3.215

18282

11491

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

3.217

18283

19956

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

3.217

18284

26695

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

3.217

18285

18250

\begin{align*} y^{\prime \prime }-2 y^{\prime }+5 y&={\mathrm e}^{x} \left (1-2 \sin \left (x \right )^{2}\right )+10 x +1 \\ \end{align*}

3.219

18286

6958

\begin{align*} y^{2}+12 x^{2} y+\left (2 y x +4 x^{3}\right ) y^{\prime }&=0 \\ \end{align*}

3.220

18287

25305

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

Using Laplace transform method.

3.220

18288

26387

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

3.220

18289

4365

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

3.221

18290

16215

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

3.221

18291

9037

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

3.222

18292

15609

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

3.222

18293

12010

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

3.223

18294

15781

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

3.223

18295

21512

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

3.223

18296

16203

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

3.224

18297

1799

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

3.225

18298

5997

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

3.225

18299

11333

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

3.225

18300

4655

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

3.226