2.3.154 Problems 15301 to 15400

Table 2.881: Main lookup table. Sorted by time used to solve.

#

ID

ODE

Solved?

Maple

Mma

Sympy

time(sec)

15301

21006

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

1.862

15302

24308

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

1.862

15303

3976

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

Using Laplace transform method.

1.863

15304

6059

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

1.863

15305

8158

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

1.864

15306

165

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

1.865

15307

2310

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

1.865

15308

5385

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

1.865

15309

13703

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

1.865

15310

14265

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

1.865

15311

18209

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

1.865

15312

22928

\begin{align*} 2 x^{\prime }-x+7 y^{\prime }+3 y&=90 \sin \left (2 t \right ) \\ x^{\prime }-5 x+8 y^{\prime }-3 y&=0 \\ \end{align*}

1.865

15313

6465

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

1.866

15314

9915

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

Series expansion around \(x=1\).

1.866

15315

20628

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

1.867

15316

6142

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

1.868

15317

6232

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

1.868

15318

23378

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

1.868

15319

24858

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

1.868

15320

26336

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

1.868

15321

8387

\begin{align*} y^{\prime }&=\left (-1+y\right )^{2}-\frac {1}{100} \\ y \left (0\right ) &= 1 \\ \end{align*}

1.869

15322

11428

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

1.869

15323

12975

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

1.869

15324

15444

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

1.869

15325

22310

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

1.869

15326

23763

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

1.869

15327

27469

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

1.869

15328

5809

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

1.870

15329

8650

\begin{align*} y^{\prime \prime }+4 y^{\prime }+5 y&=\delta \left (t -1\right ) \\ y \left (0\right ) &= 0 \\ y^{\prime }\left (0\right ) &= 3 \\ \end{align*}

Using Laplace transform method.

1.870

15330

15178

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

1.870

15331

27199

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

1.870

15332

16573

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

1.871

15333

20496

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

1.871

15334

25678

\begin{align*} 3 y^{\prime }&=4 y \\ \end{align*}

1.871

15335

6110

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

1.872

15336

7945

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

1.872

15337

8307

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

1.872

15338

13900

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

1.872

15339

16260

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

1.872

15340

18944

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

Using Laplace transform method.

1.872

15341

12489

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

1.873

15342

12979

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

1.873

15343

18999

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

1.873

15344

15666

\begin{align*} y^{\prime \prime }-4 y&=31 \\ y \left (0\right ) &= -9 \\ y^{\prime }\left (0\right ) &= 6 \\ \end{align*}

1.874

15345

5526

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

1.875

15346

9536

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

Series expansion around \(x=0\).

1.875

15347

11328

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

1.875

15348

22321

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

1.875

15349

24908

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

1.875

15350

2353

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

1.876

15351

6066

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

1.876

15352

16475

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

1.876

15353

12488

\begin{align*} \left (x^{2}+1\right ) y^{\prime \prime }+x y^{\prime }-9 y&=0 \\ \end{align*}

1.877

15354

27286

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

1.877

15355

9578

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

1.878

15356

16264

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

1.878

15357

21314

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

1.878

15358

5945

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

1.879

15359

1135

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

1.881

15360

16946

\begin{align*} x^{\prime }&=4 x-13 y \\ y^{\prime }&=x+19 \cos \left (4 t \right )-13 \sin \left (4 t \right ) \\ \end{align*}

With initial conditions

\begin{align*} x \left (0\right ) &= 13 \\ y \left (0\right ) &= 0 \\ \end{align*}

1.881

15361

9813

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

1.882

15362

9494

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

1.883

15363

7243

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

1.884

15364

7442

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

1.884

15365

9275

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

1.884

15366

798

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

1.885

15367

1819

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

1.885

15368

12986

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

1.885

15369

14057

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

1.886

15370

15180

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

1.886

15371

786

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

1.887

15372

7962

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

1.887

15373

8459

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

1.888

15374

17456

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

1.888

15375

2688

\begin{align*} y^{\prime \prime }+y&=\left \{\begin {array}{cc} \cos \left (t \right ) & 0\le t <\frac {\pi }{2} \\ 0 & \frac {\pi }{2}\le t \end {array}\right . \\ y \left (0\right ) &= 3 \\ y^{\prime }\left (0\right ) &= -1 \\ \end{align*}

Using Laplace transform method.

1.890

15376

156

\begin{align*} y^{3} y^{\prime \prime }&=1 \\ \end{align*}

1.891

15377

684

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

1.891

15378

9770

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

1.891

15379

10284

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

1.891

15380

12965

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

1.891

15381

15228

\begin{align*} y^{\prime \prime }+9 y&=24 \sin \left (t \right ) \left (\operatorname {Heaviside}\left (t \right )+\operatorname {Heaviside}\left (t -\pi \right )\right ) \\ y \left (0\right ) &= 0 \\ y^{\prime }\left (0\right ) &= 0 \\ \end{align*}

Using Laplace transform method.

1.891

15382

14184

\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*}

1.892

15383

15888

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

1.892

15384

20055

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

1.893

15385

20867

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

1.893

15386

17373

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

1.894

15387

26145

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

1.894

15388

13

\begin{align*} x^{\prime \prime }&=3 t \\ x \left (0\right ) &= 0 \\ x^{\prime }\left (0\right ) &= 5 \\ \end{align*}

1.895

15389

5580

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

1.895

15390

11908

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

1.895

15391

12921

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

1.895

15392

16698

\begin{align*} x y^{\prime \prime }+\left (2 x +2\right ) y^{\prime }+2 y&=8 \,{\mathrm e}^{2 x} \\ \end{align*}

1.895

15393

26085

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

1.895

15394

100

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

1.896

15395

3566

\begin{align*} x^{2} y^{\prime \prime }-3 x y^{\prime }+13 y&=0 \\ \end{align*}

1.896

15396

19876

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

1.896

15397

121

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

1.897

15398

5862

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

1.897

15399

27262

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

1.897

15400

19002

\begin{align*} x_{1}^{\prime }&=-2 x_{1}+2 x_{2}-2 x_{4} \\ x_{2}^{\prime }&=-x_{1}+3 x_{2}-x_{3}+x_{4} \\ x_{3}^{\prime }&=-2 x_{1}-2 x_{2}-4 x_{3}+2 x_{4} \\ x_{4}^{\prime }&=-7 x_{1}+x_{2}-7 x_{3}+3 x_{4} \\ \end{align*}

1.898