2.3.194 Problems 19301 to 19400

Table 2.961: Main lookup table. Sorted by time used to solve.

#

ID

ODE

Solved?

Maple

Mma

Sympy

time(sec)

19301

1105

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

3.812

19302

7019

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

3.812

19303

18798

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

3.812

19304

6327

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

3.815

19305

22488

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

3.816

19306

23001

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

3.816

19307

83

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

3.817

19308

1151

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

3.817

19309

19319

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

3.817

19310

9628

\begin{align*} y^{\prime \prime }-5 y^{\prime }+6 y&=\operatorname {Heaviside}\left (t -1\right ) \\ y \left (0\right ) &= 0 \\ y^{\prime }\left (0\right ) &= 1 \\ \end{align*}

Using Laplace transform method.

3.818

19311

15292

\begin{align*} x^{\prime }&=2 x+y-z+5 \sin \left (t \right ) \\ y^{\prime }&=y+z-10 \cos \left (t \right ) \\ z^{\prime }&=x+z+2 \\ \end{align*}

With initial conditions

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

3.818

19312

9094

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

3.820

19313

5665

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

3.821

19314

24920

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

3.821

19315

15790

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

3.822

19316

11838

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

3.823

19317

26680

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

3.823

19318

20316

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

3.824

19319

27216

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

3.824

19320

790

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

3.826

19321

4263

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

3.826

19322

6283

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

3.826

19323

6193

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

3.827

19324

198

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

3.828

19325

19352

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

3.828

19326

4867

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

3.829

19327

24970

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

3.830

19328

25299

\begin{align*} 3 y+y^{\prime }&=\left \{\begin {array}{cc} 10 \sin \left (t \right ) & 0\le t <\pi \\ 0 & \pi \le t \end {array}\right . \\ y \left (0\right ) &= -1 \\ \end{align*}

Using Laplace transform method.

3.830

19329

18538

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

3.831

19330

17074

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

3.832

19331

2948

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

3.833

19332

19354

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

3.834

19333

4392

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

3.836

19334

21603

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

3.836

19335

26328

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

3.836

19336

12691

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

3.838

19337

5290

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

3.839

19338

18044

\begin{align*} 5 y x -4 y^{2}-6 x^{2}+\left (y^{2}-8 y x +\frac {5 x^{2}}{2}\right ) y^{\prime }&=0 \\ \end{align*}

3.839

19339

22990

\begin{align*} p^{\prime }&=15-20 p \\ p \left (0\right ) &= {\frac {7}{10}} \\ \end{align*}

3.839

19340

1522

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

3.840

19341

17058

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

3.842

19342

22474

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

3.843

19343

24218

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

3.843

19344

26080

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

3.844

19345

7227

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

3.845

19346

8302

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

3.845

19347

11850

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

3.845

19348

17955

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

3.846

19349

24113

\begin{align*} 9 x^{2} y^{\prime \prime }+\left (x^{2}-15 x \right ) y^{\prime }+7 y&=0 \\ \end{align*}

Series expansion around \(x=0\).

3.846

19350

23919

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

3.847

19351

1154

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

3.848

19352

6282

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

3.848

19353

24988

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

3.848

19354

19274

\begin{align*} v^{\prime }&=g -\frac {k v^{2}}{m} \\ \end{align*}

3.849

19355

14072

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

3.851

19356

6439

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

3.852

19357

25209

\begin{align*} t^{2} y^{\prime \prime }-4 t y^{\prime }+6 y&=t^{5} \\ y \left (1\right ) &= a \\ y^{\prime }\left (1\right ) &= b \\ \end{align*}

3.853

19358

25279

\begin{align*} t y^{\prime \prime }-y^{\prime }+4 t^{3} y&=4 t^{5} \\ \end{align*}

3.854

19359

17998

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

3.856

19360

4758

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

3.857

19361

4402

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

3.858

19362

6067

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

3.858

19363

7869

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

3.858

19364

8447

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

3.858

19365

22135

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

3.858

19366

27448

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

3.858

19367

16270

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

3.859

19368

25712

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

3.859

19369

21562

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

3.861

19370

19896

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

3.862

19371

2954

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

3.863

19372

24362

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

3.863

19373

24201

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

3.864

19374

4990

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

3.865

19375

18534

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

3.865

19376

11742

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

3.866

19377

8430

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

3.867

19378

8862

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

3.869

19379

11477

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

3.869

19380

19753

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

3.869

19381

20776

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

3.869

19382

19597

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

Series expansion around \(x=0\).

3.871

19383

12317

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

3.873

19384

15926

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

3.873

19385

19349

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

3.874

19386

4864

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

3.875

19387

4982

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

3.875

19388

6182

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

3.875

19389

17803

\begin{align*} x^{\prime \prime }+256 x&=0 \\ x \left (0\right ) &= 2 \\ x^{\prime }\left (0\right ) &= 4 \\ \end{align*}

3.875

19390

19681

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

3.875

19391

25207

\begin{align*} t^{2} y^{\prime \prime }-4 t y^{\prime }+6 y&=t^{5} \\ y \left (1\right ) &= 0 \\ y^{\prime }\left (1\right ) &= 1 \\ \end{align*}

3.875

19392

4839

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

3.876

19393

15162

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

3.876

19394

17166

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

3.877

19395

4048

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

Series expansion around \(x=0\).

3.879

19396

11840

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

3.881

19397

12025

\begin{align*} y^{\prime }&=-\frac {i \left (8 i x +16 y^{4}+8 x^{2} y^{2}+x^{4}\right )}{32 y} \\ \end{align*}

3.881

19398

7734

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

3.882

19399

22456

\begin{align*} i^{\prime }+2 i&=10 \,{\mathrm e}^{-2 t} \\ i \left (0\right ) &= 0 \\ \end{align*}

3.882

19400

25486

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

3.882