1)
4ln(n)
2)
a=0.5
4ln(n)
3)
2.5ln(n)
4)
3.5log3(n)
5)
a=~3.18097
(2a+1)loga(n)
回复:IBM 十二月
所有跟帖:
•
Is golden ratio better for quesion #2?
-endofsuburbia-
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12/04/2007 postreply
09:34:08
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对2xlogx(n)求导数,1/lnx-1/(lnx)^2=0,所以,x=2
-于德利-
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12/04/2007 postreply
10:09:48