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Ϊ³å¶¯¾ø½»: ½ð±Ò+30, ¡ï¡ï¡ïºÜÓаïÖú 2016-11-30 11:15:52
matlab 2012½â²»³ö
syms y(t)
>> dsolve(sqrt(diff(y))==(y^2-t-2)/(4*(t+1)),y(0)==2)
Warning: Explicit solution could not be found.
> In dsolve at 194

ans =

[ empty sym ]
mathematica ¿ÉÒÔ
DSolve[{y'[t] == (y[t]*y[t] - t - 2)/(4*(t + 1)), y[0] == 2}, y[t], t]
The more you learn, the more you know, the more you know, and the more you forget. The more you forget, the less you know. So why bother to learn.
2Â¥2016-11-24 11:40:13
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