2.3.218 Problems 21701 to 21800

Table 2.979: Main lookup table. Sorted by time used to solve.

#

ID

ODE

Solved?

Maple

Mma

Sympy

time(sec)

21701

20815

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

8.289

21702

3425

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

8.290

21703

13338

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

8.295

21704

15137

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

8.295

21705

14538

\begin{align*} y^{\prime }&=\frac {x y}{x^{2}+1} \\ y \left (\sqrt {15}\right ) &= 2 \\ \end{align*}

8.297

21706

9630

\begin{align*} y^{\prime \prime }+4 y^{\prime }+3 y&=1-\operatorname {Heaviside}\left (-2+t \right )-\operatorname {Heaviside}\left (t -4\right )+\operatorname {Heaviside}\left (t -6\right ) \\ y \left (0\right ) &= 0 \\ y^{\prime }\left (0\right ) &= 0 \\ \end{align*}
Using Laplace transform method.

8.299

21707

24204

\begin{align*} 3 \left (x^{2}-1\right ) y+\left (x^{3}+8 y-3 x \right ) y^{\prime }&=0 \\ y \left (0\right ) &= 1 \\ \end{align*}

8.301

21708

5901

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

8.303

21709

14711

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

8.306

21710

22333

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

8.311

21711

2970

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

8.312

21712

5164

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

8.313

21713

5199

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

8.313

21714

17217

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

8.314

21715

13419

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

8.319

21716

20113

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

8.319

21717

24280

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

8.322

21718

5354

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

8.325

21719

5447

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

8.327

21720

22366

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

8.327

21721

13326

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

8.328

21722

10436

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

8.331

21723

5842

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

8.335

21724

5324

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

8.336

21725

7506

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

8.343

21726

7875

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

8.344

21727

7015

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

8.345

21728

10278

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

8.347

21729

15863

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

8.349

21730

4312

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

8.350

21731

5421

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

8.352

21732

15877

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

8.352

21733

4814

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

8.356

21734

13902

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

8.356

21735

7739

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

8.357

21736

22984

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

8.362

21737

4902

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

8.371

21738

19075

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

8.376

21739

4833

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

8.377

21740

22470

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

8.377

21741

19859

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

8.378

21742

26249

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

8.378

21743

5449

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

8.379

21744

20812

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

8.379

21745

1204

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

8.380

21746

14485

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

8.381

21747

4991

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

8.385

21748

15839

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

8.389

21749

16977

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

8.391

21750

14766

\begin{align*} x^{2} y^{\prime \prime }+x^{2} y^{\prime }-\frac {3 y}{4}&=0 \\ \end{align*}
Series expansion around \(x=0\).

8.396

21751

13342

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

8.398

21752

25882

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

8.400

21753

4971

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

8.408

21754

12988

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

8.408

21755

14518

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

8.409

21756

20824

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

8.413

21757

5856

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

8.415

21758

26227

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

8.415

21759

8787

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

8.420

21760

24338

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

8.420

21761

11878

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

8.421

21762

14824

\begin{align*} y^{\prime \prime }+5 y^{\prime }+6 y&=\left \{\begin {array}{cc} 6 & 0<t <2 \\ 0 & 2<t \end {array}\right . \\ y \left (0\right ) &= 0 \\ y^{\prime }\left (0\right ) &= 0 \\ \end{align*}
Using Laplace transform method.

8.422

21763

17103

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

8.423

21764

22409

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

8.424

21765

14253

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

8.426

21766

5271

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

8.428

21767

19951

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

8.430

21768

14768

\begin{align*} 2 y^{\prime \prime } x +6 y^{\prime }+y&=0 \\ \end{align*}
Series expansion around \(x=0\).

8.435

21769

14457

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

8.437

21770

15923

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

8.437

21771

13367

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

8.438

21772

6845

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

8.441

21773

14845

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

8.444

21774

7809

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

8.450

21775

4628

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

8.451

21776

19355

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

8.451

21777

25483

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

8.457

21778

23914

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

8.458

21779

8467

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

8.459

21780

17717

\begin{align*} y^{\prime \prime }+\left (\frac {1}{2 x}-2\right ) y^{\prime }-\frac {35 y}{16 x^{2}}&=0 \\ \end{align*}
Series expansion around \(x=0\).

8.467

21781

7220

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

8.471

21782

13718

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

8.474

21783

22595

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

8.475

21784

5159

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

8.481

21785

14458

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

8.482

21786

135

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

8.486

21787

7507

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

8.489

21788

8475

\begin{align*} 2 x -1+\left (3 y+7\right ) y^{\prime }&=0 \\ \end{align*}

8.492

21789

9093

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

8.494

21790

23171

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

8.494

21791

15641

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

8.495

21792

16335

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

8.495

21793

15853

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

8.497

21794

5078

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

8.498

21795

13276

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

8.502

21796

22954

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

8.503

21797

19070

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

8.509

21798

4689

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

8.514

21799

13365

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

8.514

21800

4786

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

8.515