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Re:怎么做呢

Posted by hust07p43 at 2007-10-10 09:01:04 on Problem 2440 and last updated at 2007-10-10 09:03:21
In Reply To:Re:怎么做呢 Posted by:Methane at 2007-10-10 01:37:43

f(n)  =a1*f(n-1)+a2*f(n-2)+a3*f(n-3)
f(n-1)=   f(n-1)
f(n-2)=             f(n-2)

然后就有

f(n)         a1   a2   a3     f(n-1)
f(n-1)  =     1    0    0  *  f(n-2)
f(n-2)        0    1    0     f(n-3)

Followed by:

Re:多谢 (226) Methane 2007-10-10 09:41:14
非常感谢 (226) bluewind 2007-10-10 13:30:15

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