2.3.199 Problems 19801 to 19900

Table 2.971: Main lookup table. Sorted by time used to solve.

#

ID

ODE

Solved?

Maple

Mma

Sympy

time(sec)

19801

4284

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

8.174

19802

15477

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

8.175

19803

21371

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

8.189

19804

13012

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

8.191

19805

16561

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

8.191

19806

5856

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

8.194

19807

16214

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

8.197

19808

1727

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

8.201

19809

1626

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

8.202

19810

8651

\begin{align*} 4 y^{\prime \prime }+24 y^{\prime }+37 y&=17 \,{\mathrm e}^{-t}+\delta \left (t -\frac {1}{2}\right ) \\ y \left (0\right ) &= 1 \\ y^{\prime }\left (0\right ) &= 1 \\ \end{align*}

Using Laplace transform method.

8.202

19811

7427

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

8.204

19812

12211

\begin{align*} y^{\prime }&=\frac {-3 x^{2} y-2 x^{3}-2 x -x y^{2}-y+x^{3} y^{3}+3 y^{2} x^{4}+3 y x^{5}+x^{6}}{x \left (x^{2}+y x +1\right )} \\ \end{align*}

8.204

19813

15253

\begin{align*} y^{\prime \prime \prime \prime }-16 y&=32 \operatorname {Heaviside}\left (t \right )-32 \operatorname {Heaviside}\left (t -\pi \right ) \\ y \left (0\right ) &= 0 \\ y^{\prime }\left (0\right ) &= 0 \\ y^{\prime \prime }\left (0\right ) &= 0 \\ y^{\prime \prime \prime }\left (0\right ) &= 0 \\ \end{align*}

Using Laplace transform method.

8.206

19814

21439

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

8.206

19815

12120

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

8.212

19816

14518

\begin{align*} 6 x^{2} y-\left (x^{3}+1\right ) y^{\prime }&=0 \\ \end{align*}

8.213

19817

25218

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

8.217

19818

20266

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

8.218

19819

17114

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

8.221

19820

17128

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

8.221

19821

24808

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

8.221

19822

19933

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

8.222

19823

10326

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

8.224

19824

9647

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

Using Laplace transform method.

8.225

19825

23097

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

8.231

19826

25700

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

8.231

19827

12129

\begin{align*} y^{\prime }&=\frac {\cosh \left (x \right )}{\sinh \left (x \right )}+\textit {\_F1} \left (y-\ln \left (\sinh \left (x \right )\right )\right ) \\ \end{align*}

8.234

19828

14255

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

8.235

19829

21812

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

8.237

19830

9058

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

8.238

19831

15343

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

8.239

19832

7935

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

8.240

19833

5270

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

8.241

19834

21599

\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*}

8.244

19835

8249

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

8.245

19836

20305

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

8.245

19837

7735

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

8.250

19838

15783

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

8.250

19839

16381

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

8.250

19840

6250

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

8.251

19841

13449

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

8.253

19842

2841

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

8.257

19843

14482

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

8.258

19844

4078

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

8.263

19845

26629

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

8.263

19846

10266

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

8.266

19847

20417

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

8.266

19848

19676

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

8.270

19849

22980

\begin{align*} y^{\prime }-6 y&={\mathrm e}^{6 t} \\ y \left (0\right ) &= 0 \\ \end{align*}

8.273

19850

26645

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

8.276

19851

20795

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

8.280

19852

12841

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

8.284

19853

19312

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

8.287

19854

15620

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

8.289

19855

27714

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

8.292

19856

5206

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

8.296

19857

10274

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

8.301

19858

11920

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

8.301

19859

15862

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

8.302

19860

21267

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

Series expansion around \(t=0\).

8.302

19861

20137

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

8.307

19862

15120

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

8.308

19863

8759

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

8.312

19864

211

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

8.313

19865

18110

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

8.319

19866

10035

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

8.322

19867

9055

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

8.323

19868

8802

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

8.325

19869

12919

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

8.325

19870

15395

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

8.325

19871

13003

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

8.330

19872

17837

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

8.330

19873

17264

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

8.334

19874

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*}

8.338

19875

6350

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

8.339

19876

15925

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

8.339

19877

24042

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

8.342

19878

22136

\begin{align*} y^{\prime }-5 y&=3 \,{\mathrm e}^{x}-2 x +1 \\ \end{align*}

8.344

19879

9127

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

8.345

19880

12611

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

8.345

19881

15891

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

8.346

19882

17938

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

8.347

19883

6468

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

8.348

19884

22427

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

8.352

19885

163

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

8.354

19886

3774

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

8.354

19887

16731

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

8.355

19888

4298

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

8.358

19889

15611

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

8.358

19890

2939

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

8.361

19891

14445

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

8.362

19892

15931

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

8.362

19893

20000

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

8.362

19894

21382

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

8.364

19895

15481

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

8.365

19896

144

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

8.369

19897

11964

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

8.374

19898

12016

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

8.374

19899

13929

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

8.374

19900

21049

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

8.375