2.3.154 Problems 15301 to 15400

Table 2.851: Main lookup table. Sorted by time used to solve.

#

ID

ODE

Solved?

Maple

Mma

Sympy

time(sec)

15301

75

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

1.945

15302

18607

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

1.945

15303

18769

\begin{align*} 4 y^{\prime \prime }-9 y&=0 \\ \end{align*}

1.945

15304

23737

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

1.945

15305

5550

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

1.946

15306

20091

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

1.946

15307

25292

\begin{align*} y^{\prime \prime }-4 y^{\prime }+4 y&=\left \{\begin {array}{cc} 0 & 0\le t <2 \\ 4 & 2\le t <\infty \end {array}\right . \\ y \left (0\right ) &= 1 \\ y^{\prime }\left (0\right ) &= 0 \\ \end{align*}
Using Laplace transform method.

1.946

15308

25905

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

1.948

15309

1555

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

1.949

15310

15537

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

1.949

15311

1115

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

1.950

15312

11460

\begin{align*} \left (x^{2}-5 x +6\right ) y^{\prime }+3 y x -8 y+x^{2}&=0 \\ \end{align*}

1.951

15313

13748

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

1.951

15314

1355

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

1.952

15315

8462

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

1.952

15316

21479

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

1.952

15317

1560

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

1.953

15318

24830

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

1.953

15319

25021

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

1.953

15320

685

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

1.954

15321

11743

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

1.954

15322

13038

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

1.954

15323

19160

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

1.954

15324

13737

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

1.955

15325

1716

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

1.956

15326

18502

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

1.956

15327

7069

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

1.957

15328

13943

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

1.957

15329

17667

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

1.957

15330

7118

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

1.958

15331

21321

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

1.958

15332

3971

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

1.959

15333

12603

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

1.959

15334

14760

\begin{align*} x^{2} y^{\prime \prime }+x^{2} y^{\prime }-2 y&=0 \\ \end{align*}
Series expansion around \(x=0\).

1.959

15335

4403

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

1.960

15336

8465

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

1.960

15337

11305

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

1.960

15338

11462

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

1.960

15339

17019

\begin{align*} x^{2} y^{\prime \prime }-y^{\prime } x -16 y&=0 \\ \end{align*}

1.960

15340

18925

\begin{align*} y^{\prime \prime }+3 y^{\prime }+2 y&=\left \{\begin {array}{cc} 1 & 0\le t <10 \\ 0 & 10\le t \end {array}\right . \\ y \left (0\right ) &= 0 \\ y^{\prime }\left (0\right ) &= 0 \\ \end{align*}
Using Laplace transform method.

1.961

15341

21078

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

1.961

15342

171

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

1.962

15343

8882

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

1.962

15344

1172

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

1.963

15345

927

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

1.964

15346

19237

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

1.964

15347

12887

\begin{align*} 9 {y^{\prime }}^{4}+8 y^{\prime \prime }&=0 \\ \end{align*}

1.966

15348

24842

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

1.966

15349

9369

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

1.967

15350

998

\begin{align*} x_{1}^{\prime }&=9 x_{1}-7 x_{2}-5 x_{3} \\ x_{2}^{\prime }&=-12 x_{1}+7 x_{2}+11 x_{3}+9 x_{4} \\ x_{3}^{\prime }&=24 x_{1}-17 x_{2}-19 x_{3}-9 x_{4} \\ x_{4}^{\prime }&=-18 x_{1}+13 x_{2}+17 x_{3}+9 x_{4} \\ \end{align*}

1.968

15351

3424

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

1.968

15352

24032

\begin{align*} y^{\left (8\right )}+8 y^{\left (7\right )}+28 y^{\left (6\right )}+56 y^{\left (5\right )}+70 y^{\prime \prime \prime \prime }+56 y^{\prime \prime \prime }+28 y^{\prime \prime }+8 y^{\prime }&={\mathrm e}^{-x} x^{9} \\ \end{align*}

1.968

15353

24841

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

1.968

15354

10268

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

1.969

15355

18515

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

1.969

15356

1500

\begin{align*} y^{\prime \prime }+y^{\prime }+\frac {5 y}{4}&=\left \{\begin {array}{cc} \sin \left (t \right ) & 0\le t <\pi \\ 0 & \operatorname {otherwise} \end {array}\right . \\ y \left (0\right ) &= 0 \\ y^{\prime }\left (0\right ) &= 0 \\ \end{align*}
Using Laplace transform method.

1.971

15357

11785

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

1.971

15358

15337

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

1.971

15359

15369

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

1.971

15360

15511

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

1.971

15361

23400

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

1.971

15362

25482

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

1.971

15363

18530

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

1.972

15364

3780

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

1.973

15365

5572

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

1.973

15366

6336

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

1.973

15367

19081

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

1.973

15368

8724

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

1.975

15369

22615

\begin{align*} s^{\prime \prime }+b s^{\prime }+\omega ^{2} s&=0 \\ \end{align*}

1.975

15370

20311

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

1.976

15371

8661

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

1.977

15372

12449

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

1.977

15373

25001

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

1.978

15374

6545

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

1.979

15375

16232

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

1.979

15376

20495

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

1.979

15377

1556

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

1.981

15378

5712

\begin{align*} y^{\prime \prime }&=\operatorname {c1} \cos \left (a x \right )+\operatorname {c2} \sin \left (b x \right ) \\ \end{align*}

1.982

15379

12968

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

1.982

15380

3443

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

1.983

15381

20778

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

1.983

15382

21043

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

1.983

15383

13041

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

1.985

15384

88

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

1.986

15385

1212

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

1.986

15386

21446

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

1.986

15387

25458

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

1.986

15388

25710

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

1.986

15389

21266

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

1.987

15390

5561

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

1.988

15391

11404

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

1.988

15392

20658

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

1.988

15393

7153

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

1.989

15394

8069

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

1.989

15395

720

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

1.990

15396

17637

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

1.990

15397

11636

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

1.991

15398

15402

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

1.991

15399

8869

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

1.992

15400

9790

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

1.992