2.3.166 Problems 16501 to 16600

Table 2.905: Main lookup table. Sorted by time used to solve.

#

ID

ODE

Solved?

Maple

Mma

Sympy

time(sec)

16501

9886

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

2.365

16502

16322

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

2.365

16503

8457

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

2.366

16504

19382

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

2.366

16505

23880

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

2.366

16506

26252

\begin{align*} {\mathrm e}^{y}&={\mathrm e}^{4 y} y^{\prime }+1 \\ y \left (\infty \right ) &= y_{0} \\ \end{align*}

2.366

16507

677

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

2.368

16508

1496

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

Using Laplace transform method.

2.368

16509

3984

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

Using Laplace transform method.

2.368

16510

15403

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

2.368

16511

15793

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

2.368

16512

18633

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

2.368

16513

5900

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

2.369

16514

10005

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

2.369

16515

14045

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

2.369

16516

21489

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

2.369

16517

25001

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

2.369

16518

19790

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

2.371

16519

26339

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

2.372

16520

16497

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

2.373

16521

22143

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

2.373

16522

20175

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

2.374

16523

20585

\begin{align*} x^{2} y^{\prime \prime }&=\sqrt {m \,x^{2} {y^{\prime }}^{3}+n y^{2}} \\ \end{align*}

2.374

16524

4896

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

2.375

16525

6176

\begin{align*} -12 y-2 \left (2 x +1\right ) y^{\prime }+\left (2 x +1\right )^{2} y^{\prime \prime }&=1+3 x \\ \end{align*}

2.376

16526

7257

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

2.376

16527

10690

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

2.376

16528

9885

\begin{align*} x^{2} y^{\prime \prime }+x y^{\prime }-9 y&=0 \\ \end{align*}

2.377

16529

15549

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

2.378

16530

11391

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

2.379

16531

23169

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

2.380

16532

5906

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

2.381

16533

185

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

2.382

16534

3223

\begin{align*} x^{2} y^{\prime \prime }+5 x y^{\prime }+10 y&=0 \\ \end{align*}

2.382

16535

6137

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

2.382

16536

19683

\begin{align*} x^{\prime } t +x g \left (t \right )&=h \left (t \right ) \\ \end{align*}

2.384

16537

25033

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

2.384

16538

16378

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

2.385

16539

24785

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

2.385

16540

21951

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

2.386

16541

22683

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

2.386

16542

1207

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

2.387

16543

7437

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

2.387

16544

19440

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

2.387

16545

17864

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

2.388

16546

20183

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

2.388

16547

22311

\begin{align*} y^{\prime \prime }&=\sqrt {2 x +1} \\ y \left (0\right ) &= 5 \\ y \left (4\right ) &= -3 \\ \end{align*}

2.388

16548

7537

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

2.389

16549

9484

\begin{align*} x^{\prime }&=-4 x+y-t +3 \\ y^{\prime }&=-x-5 y+t +1 \\ \end{align*}

2.389

16550

20668

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

2.389

16551

27307

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

2.389

16552

17873

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

2.390

16553

26205

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

2.390

16554

8040

\begin{align*} x^{8} y^{\prime \prime }+4 x^{7} y^{\prime }+y&=\frac {1}{x^{3}} \\ \end{align*}

2.391

16555

1118

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

2.392

16556

4900

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

2.392

16557

7510

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

2.392

16558

19631

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

Using Laplace transform method.

2.392

16559

27140

\begin{align*} x_{1}^{\prime }&=3 x_{1}+8 x_{2} \\ x_{2}^{\prime }&=x_{1}-x_{2} \\ \end{align*}

With initial conditions

\begin{align*} x_{1} \left (0\right ) &= 2 \\ x_{2} \left (0\right ) &= 2 \\ \end{align*}

2.392

16560

11564

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

2.393

16561

14434

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

2.394

16562

23195

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

2.394

16563

1168

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

2.395

16564

9193

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

2.395

16565

20674

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

2.395

16566

3557

\begin{align*} y^{\prime \prime }-25 y&=0 \\ \end{align*}

2.396

16567

3453

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

2.397

16568

19080

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

2.397

16569

9626

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

Using Laplace transform method.

2.398

16570

9751

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

2.398

16571

11709

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

2.398

16572

26911

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

2.398

16573

15912

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

2.400

16574

17668

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

2.400

16575

7117

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

2.401

16576

9243

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

2.401

16577

11310

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

2.401

16578

7114

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

2.402

16579

23909

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

2.402

16580

3474

\begin{align*} y^{\prime }-y \tan \left (x \right )&=1 \\ y \left (\frac {\pi }{4}\right ) &= 3 \\ \end{align*}

2.403

16581

13041

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

2.403

16582

6068

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

2.404

16583

7431

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

2.404

16584

9441

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

Series expansion around \(x=\infty \).

2.404

16585

13839

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

2.404

16586

19332

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

2.404

16587

26379

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

2.404

16588

14831

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

2.405

16589

16603

\begin{align*} x^{2} y^{\prime \prime }-7 x y^{\prime }+15 y&=1 \\ \end{align*}

2.405

16590

5362

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

2.406

16591

17196

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

2.406

16592

19016

\begin{align*} x_{1}^{\prime }&=-3 x_{1}-4 x_{2}+5 x_{3}+9 x_{4} \\ x_{2}^{\prime }&=-2 x_{1}-5 x_{2}+4 x_{3}+12 x_{4} \\ x_{3}^{\prime }&=-2 x_{1}-x_{3}+2 x_{4} \\ x_{4}^{\prime }&=-2 x_{2}+2 x_{3}+3 x_{4} \\ \end{align*}

2.406

16593

19492

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

2.408

16594

25867

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

2.408

16595

26219

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

2.408

16596

692

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

2.412

16597

12613

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

2.412

16598

17414

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

2.413

16599

25494

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

2.413

16600

26393

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

2.413