2.3.29 Problems 2801 to 2900

Table 2.641: Main lookup table. Sorted by time used to solve.

#

ID

ODE

Solved?

Maple

Mma

Sympy

time(sec)

2801

3985

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} \frac {d}{d t}x \left (t \right )&=x \left (t \right )-4 y \left (t \right )\\ \frac {d}{d t}y \left (t \right )&=4 x \left (t \right )-7 y \left (t \right )\\ \end {array} \]

0.265

2802

6695

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} \frac {d}{d t}x \left (t \right )&=-7 x \left (t \right )+y \left (t \right )-6 z \left (t \right )\\ \frac {d}{d t}y \left (t \right )&=10 x \left (t \right )-4 y \left (t \right )+12 z \left (t \right )\\ \frac {d}{d t}z \left (t \right )&=2 x \left (t \right )-y \left (t \right )+z \left (t \right )\\ \end {array} \]

0.265

2803

7078

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} \frac {d}{d t}x \left (t \right )&=3 x \left (t \right )+2 y \left (t \right )+4 z \left (t \right )\\ \frac {d}{d t}y \left (t \right )&=2 x \left (t \right )+2 z \left (t \right )\\ \frac {d}{d t}z \left (t \right )&=4 x \left (t \right )+2 y \left (t \right )+3 z \left (t \right )\\ \end {array} \]

0.265

2804

10866

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} \frac {d}{d t}x \left (t \right )&=2 y \left (t \right )+z \left (t \right )\\ \frac {d}{d t}y \left (t \right )&=-x \left (t \right )-3 y \left (t \right )-z \left (t \right )\\ \frac {d}{d t}z \left (t \right )&=x \left (t \right )+y \left (t \right )-z \left (t \right )\\ \end {array} \]

0.265

2805

11145

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} \frac {d}{d t}x \left (t \right )&=-2 x \left (t \right )+y \left (t \right )+z \left (t \right )\\ \frac {d}{d t}y \left (t \right )&=-3 x \left (t \right )+2 y \left (t \right )+3 z \left (t \right )\\ \frac {d}{d t}z \left (t \right )&=x \left (t \right )-y \left (t \right )-2 z \left (t \right )\\ \end {array} \]

0.265

2806

18276

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} \frac {d}{d t}x \left (t \right )&=2 y \left (t \right )\\ \frac {d}{d t}y \left (t \right )&=-2 x \left (t \right )\\ \frac {d}{d t}z \left (t \right )&=2 h \left (t \right )\\ \frac {d}{d t}h \left (t \right )&=-2 z \left (t \right )\\ \end {array} \]

0.265

2807

18762

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} \frac {d}{d t}x \left (t \right )&=2 y \left (t \right )+z \left (t \right )\\ \frac {d}{d t}y \left (t \right )&=-2 x \left (t \right )+h \left (t \right )\\ \frac {d}{d t}z \left (t \right )&=2 h \left (t \right )\\ \frac {d}{d t}h \left (t \right )&=-2 z \left (t \right )\\ \end {array} \]

0.265

2808

20592

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x^{\prime }&=x \left (1-x\right ) \end {array} \]

0.265

2809

20620

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x^{\prime }&=-x \left (1-x\right ) \end {array} \]

0.265

2810

20925

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x^{\prime }&=x^{2} \end {array} \]

0.265

2811

22664

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} \frac {d}{d t}x_{1} \left (t \right )&=x_{2} \left (t \right )\\ \frac {d}{d t}x_{2} \left (t \right )&=-\frac {\left (x_{1} \left (t \right )^{2}+\sqrt {x_{1} \left (t \right )^{2}+4 x_{2} \left (t \right )^{2}}\right ) x_{1} \left (t \right )}{2}\\ \end {array} \]

0.265

2812

23352

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} \frac {d}{d t}x_{1} \left (t \right )&=-x_{1} \left (t \right )-x_{2} \left (t \right )+1\\ \frac {d}{d t}x_{2} \left (t \right )&=2 x_{1} \left (t \right )-x_{2} \left (t \right )+5\\ \end {array} \]

0.265

2813

28132

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} \frac {d}{d t}x \left (t \right )&=x \left (t \right )-x \left (t \right )^{3}-x \left (t \right ) y \left (t \right )\\ \frac {d}{d t}y \left (t \right )&=2 y \left (t \right )-y \left (t \right )^{5}-y \left (t \right ) x \left (t \right )^{4}\\ \end {array} \]

0.265

2814

550

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x^{\prime }&=x^{2}+y \left (t \right )^{2}+1\\ y^{\prime }\left (t \right )&=x^{2}-y \left (t \right )^{2}\\ \end {array} \]

0.266

2815

2546

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x^{\prime }\left (t \right )&=x \left (t \right )^{2}+y^{2}-1\\ y^{\prime }&=2 x \left (t \right ) y\\ \end {array} \]

0.266

2816

11177

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} \frac {d}{d t}x \left (t \right )&=6 x \left (t \right )-6 x \left (t \right )^{2}-2 x \left (t \right ) y \left (t \right )\\ \frac {d}{d t}y \left (t \right )&=4 y \left (t \right )-4 y \left (t \right )^{2}-2 x \left (t \right ) y \left (t \right )\\ \end {array} \]

0.266

2817

11197

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} \frac {d}{d t}x \left (t \right )&=\tan \left (x \left (t \right )+y \left (t \right )\right )\\ \frac {d}{d t}y \left (t \right )&=x \left (t \right )+x \left (t \right )^{3}\\ \end {array} \]

0.266

2818

12347

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} \frac {d}{d t}x \left (t \right )&={\mathrm e}^{y \left (t \right )}-x \left (t \right )\\ \frac {d}{d t}y \left (t \right )&={\mathrm e}^{x \left (t \right )}+y \left (t \right )\\ \end {array} \]

0.266

2819

12811

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} z^{\prime \prime }+z^{3}&=0 \end {array} \]

0.266

2820

25337

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} z^{\prime \prime }+z+z^{5}&=0 \end {array} \]

0.266

2821

27034

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} z^{\prime \prime }+{\mathrm e}^{z^{2}}&=1 \end {array} \]

0.266

2822

4069

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} z^{\prime \prime }+\frac {z}{1+z^{2}}&=0 \end {array} \]

0.267

2823

5567

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} z^{\prime \prime }+z-2 z^{3}&=0 \end {array} \]

0.267

2824

6715

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} \frac {d}{d t}\textit {x\_1} \left (t \right )&=-5 \textit {x\_1} \left (t \right )+\textit {x\_2} \left (t \right )\\ \frac {d}{d t}\textit {x\_2} \left (t \right )&=\textit {x\_1} \left (t \right )-5 \textit {x\_2} \left (t \right )\\ \end {array} \]

0.267

2825

7165

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} \frac {d}{d t}x_{1} \left (t \right )&=-x_{2} \left (t \right )\\ \frac {d}{d t}x_{2} \left (t \right )&=8 x_{1} \left (t \right )-6 x_{2} \left (t \right )\\ \end {array} \]

0.267

2826

10849

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} \frac {d}{d t}x_{1} \left (t \right )&=4 x_{1} \left (t \right )-x_{2} \left (t \right )\\ \frac {d}{d t}x_{2} \left (t \right )&=-2 x_{1} \left (t \right )+5 x_{2} \left (t \right )\\ \end {array} \]

0.267

2827

10852

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} \frac {d}{d t}x_{1} \left (t \right )&=-4 x_{1} \left (t \right )-x_{2} \left (t \right )\\ \frac {d}{d t}x_{2} \left (t \right )&=x_{1} \left (t \right )-6 x_{2} \left (t \right )\\ \end {array} \]

0.267

2828

10991

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} \frac {d}{d t}x_{1} \left (t \right )&=x_{1} \left (t \right )-4 x_{2} \left (t \right )\\ \frac {d}{d t}x_{2} \left (t \right )&=-8 x_{1} \left (t \right )+4 x_{2} \left (t \right )\\ \end {array} \]

0.267

2829

11208

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} \frac {d}{d t}x_{1} \left (t \right )&=3 x_{1} \left (t \right )-x_{2} \left (t \right )\\ \frac {d}{d t}x_{2} \left (t \right )&=5 x_{1} \left (t \right )-3 x_{2} \left (t \right )\\ \end {array} \]

0.267

2830

12287

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} \frac {d}{d t}x_{1} \left (t \right )&=2 x_{2} \left (t \right )\\ \frac {d}{d t}x_{2} \left (t \right )&=-2 x_{1} \left (t \right )-x_{2} \left (t \right )\\ \end {array} \]

0.267

2831

17363

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x_{1}^{\prime }\left (t \right )&=x_{1} \left (t \right )-x_{2} \left (t \right )\\ x_{2}^{\prime }\left (t \right )&=5 x_{1} \left (t \right )-3 x_{2} \left (t \right )\\ \end {array} \]

0.267

2832

20170

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} \frac {d}{d t}x_{1} \left (t \right )&=2 x_{1} \left (t \right )+x_{2} \left (t \right )\\ \frac {d}{d t}x_{2} \left (t \right )&=-5 x_{1} \left (t \right )-2 x_{2} \left (t \right )\\ \end {array} \]

0.267

2833

21298

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x_{1}^{\prime }\left (t \right )&=4 x_{2} \left (t \right )\\ x_{2}^{\prime }\left (t \right )&=-9 x_{1} \left (t \right )\\ \end {array} \]

0.267

2834

24469

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime }+\lambda y&=0\\ y \left (0\right )&=0\\ y^{\prime }\left (L \right )&=0\\ \end {array} \]

0.267

2835

26531

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime }+\lambda y&=0\\ y^{\prime }\left (0\right )&=0\\ y^{\prime }\left (L \right )&=0\\ \end {array} \]

0.267

2836

3612

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime }-\lambda y&=0\\ y^{\prime }\left (0\right )&=0\\ y^{\prime }\left (L \right )&=0\\ \end {array} \]

0.268

2837

10510

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime }+\lambda y&=0\\ y^{\prime }\left (0\right )&=0\\ y \left (L \right )&=0\\ \end {array} \]

0.268

2838

10952

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime }-2 y^{\prime }+\left (1+\lambda \right ) y&=0\\ y \left (0\right )&=0\\ y \left (1\right )&=0\\ \end {array} \]

0.268

2839

14424

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime \prime }+\lambda y&=0\\ y \left (0\right )&=0\\ y \left (1\right )&=0\\ \end {array} \]

0.268

2840

20928

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} \left (x^{2}+1\right ) y^{\prime }+y x&=0 \end {array} \]

0.268

2841

21704

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x y^{2}+x +\left (y-x^{2} y\right ) y^{\prime }&=0 \end {array} \]

0.268

2842

25974

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} 1+y^{2}+\left (x^{2}+1\right ) y^{\prime }&=0 \end {array} \]

0.268

2843

27532

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime } x +y&=0 \end {array} \]

0.268

2844

27587

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime }&=2 y x \end {array} \]

0.268

2845

560

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x y^{2}+x +\left (x^{2} y-y\right ) y^{\prime }&=0 \end {array} \]

0.269

2846

10757

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} \sqrt {-x^{2}+1}+\sqrt {1-y^{2}}\, y^{\prime }&=0 \end {array} \]

0.269

2847

11089

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} \left (x +1\right ) y^{\prime }-1+y&=0 \end {array} \]

0.269

2848

16449

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} \tan \left (x \right ) y^{\prime }-y&=1 \end {array} \]

0.269

2849

18260

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y+3+\cot \left (x \right ) y^{\prime }&=0 \end {array} \]

0.269

2850

20558

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime }&=\frac {x}{y} \end {array} \]

0.269

2851

21705

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x^{\prime }&=1-\sin \left (2 t \right ) \end {array} \]

0.269

2852

22102

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime } x +y&=y^{2} \end {array} \]

0.269

2853

23423

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} \sin \left (x \right ) \cos \left (y\right )^{2}+\cos \left (x \right )^{2} y^{\prime }&=0 \end {array} \]

0.269

2854

25226

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} \sec \left (x \right ) \cos \left (y\right )^{2}&=\cos \left (x \right ) \sin \left (y\right ) y^{\prime } \end {array} \]

0.269

2855

26538

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime } x +y&=x y \left (y^{\prime }-1\right ) \end {array} \]

0.269

2856

26539

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y x +\sqrt {x^{2}+1}\, y^{\prime }&=0 \end {array} \]

0.269

2857

26943

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y&=y x +x^{2} y^{\prime } \end {array} \]

0.269

2858

28210

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} \tan \left (x \right ) \sin \left (x \right )^{2}+\cos \left (x \right )^{2} \cot \left (y\right ) y^{\prime }&=0 \end {array} \]

0.269

2859

7077

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{2}+y y^{\prime }+x^{2} y y^{\prime }-1&=0 \end {array} \]

0.270

2860

7843

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime }&=\frac {y}{x}\\ y \left (1\right )&=3\\ \end {array} \]

0.270

2861

7972

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime } x +2 y&=0\\ y \left (2\right )&=1\\ \end {array} \]

0.270

2862

8804

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} \cos \left (y\right ) \sin \left (x \right )+\cos \left (x \right ) \sin \left (y\right ) y^{\prime }&=0\\ y \left (0\right )&=0\\ \end {array} \]

0.270

2863

11085

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x^{2} y^{\prime }+y^{2}&=0\\ y \left (3\right )&=1\\ \end {array} \]

0.270

2864

11136

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime }&={\mathrm e}^{y}\\ y \left (0\right )&=0\\ \end {array} \]

0.270

2865

11174

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} {\mathrm e}^{y} \left (1+y^{\prime }\right )&=1\\ y \left (0\right )&=1\\ \end {array} \]

0.270

2866

14150

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} 1+y^{2}&=\frac {y^{\prime }}{x^{3} \left (-1+x \right )}\\ y \left (2\right )&=0\\ \end {array} \]

0.270

2867

22793

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} \left (x^{2}+3 x \right ) y^{\prime }&=y^{3}+2 y\\ y \left (1\right )&=1\\ \end {array} \]

0.270

2868

23464

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} \left (x^{2}+x +1\right ) y^{\prime }&=y^{2}+2 y+5\\ y \left (1\right )&=1\\ \end {array} \]

0.270

2869

2212

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} \left (x^{2}-2 x -8\right ) y^{\prime }&=y^{2}+y-2\\ y \left (0\right )&=0\\ \end {array} \]

0.271

2870

4841

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x +y&=y^{\prime } x \end {array} \]

0.271

2871

6570

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} \left (x +y\right ) y^{\prime }+x&=y \end {array} \]

0.271

2872

6655

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} -y+y^{\prime } x&=\sqrt {y x} \end {array} \]

0.271

2873

10769

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime }&=\frac {2 x -y}{x +4 y} \end {array} \]

0.271

2874

14189

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} -y+y^{\prime } x&=\sqrt {x^{2}-y^{2}} \end {array} \]

0.271

2875

14353

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x +y y^{\prime }&=2 y \end {array} \]

0.271

2876

16661

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime } x -y+\sqrt {y^{2}-x^{2}}&=0 \end {array} \]

0.271

2877

19169

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x^{2}+y^{2}&=y y^{\prime } x \end {array} \]

0.271

2878

23349

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} \left (y x -x^{2}\right ) y^{\prime }-y^{2}&=0 \end {array} \]

0.271

2879

27762

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime } x +y&=2 \sqrt {y x} \end {array} \]

0.271

2880

1275

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x +y+\left (x -y\right ) y^{\prime }&=0 \end {array} \]

0.272

2881

6300

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y \left (x^{2}-y x +y^{2}\right )+x y^{\prime } \left (x^{2}+y x +y^{2}\right )&=0 \end {array} \]

0.272

2882

10979

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime } x -y-x \sin \left (\frac {y}{x}\right )&=0 \end {array} \]

0.272

2883

11007

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime }&=\frac {y}{x}+\cosh \left (\frac {y}{x}\right ) \end {array} \]

0.272

2884

11084

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x^{2}+y^{2}&=2 y y^{\prime } x\\ y \left (-1\right )&=0\\ \end {array} \]

0.272

2885

11129

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} \left (\frac {x}{y}+\frac {y}{x}\right ) y^{\prime }+1&=0 \end {array} \]

0.272

2886

11132

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} {\mathrm e}^{\frac {y}{x}} x +y&=y^{\prime } x\\ y \left (1\right )&=0\\ \end {array} \]

0.272

2887

17562

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime }&=\frac {x +y}{x -y}\\ y \left (1\right )&=0\\ \end {array} \]

0.272

2888

18754

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime }&=\frac {y}{x}+\tan \left (\frac {y}{x}\right )\\ y \left (6\right )&=\pi \\ \end {array} \]

0.272

2889

25541

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} \left (3 y x -2 x^{2}\right ) y^{\prime }&=2 y^{2}-y x\\ y \left (1\right )&=-1\\ \end {array} \]

0.272

2890

1779

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime }&=\frac {y}{x -k \sqrt {x^{2}+y^{2}}} \end {array} \]

0.273

2891

3334

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{2} \left (y y^{\prime }-x \right )+x^{3}&=0 \end {array} \]

0.273

2892

3996

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime }&=\frac {y}{x}+\tanh \left (\frac {y}{x}\right ) \end {array} \]

0.273

2893

4522

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x +y-\left (x -y+2\right ) y^{\prime }&=0 \end {array} \]

0.273

2894

5933

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x +\left (x -2 y+2\right ) y^{\prime }&=0 \end {array} \]

0.273

2895

7221

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} 2 x -y+1+\left (x +y\right ) y^{\prime }&=0 \end {array} \]

0.273

2896

9305

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x -y+2+\left (x +y-1\right ) y^{\prime }&=0 \end {array} \]

0.273

2897

10507

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x -y+\left (y-x +1\right ) y^{\prime }&=0 \end {array} \]

0.273

2898

10582

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} y^{\prime }&=\frac {x +y-1}{x -y-1} \end {array} \]

0.273

2899

10892

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x +y+\left (2 x +2 y-1\right ) y^{\prime }&=0 \end {array} \]

0.273

2900

15100

\[ \begin {array}{>{\displaystyle }r @{\;} >{\displaystyle }l} x -y+1+\left (x -y-1\right ) y^{\prime }&=0 \end {array} \]

0.273