作者nomindman ( ㄍㄕㄆ)
看板trans_math
标题[微分]请问一题微分
时间Wed Jun 8 15:18:26 2005
suppose that if f g are both convex
let h(x)= max ( f(x) , g(x) )
then h(x) is convex or concave Explain your result ??
这题该怎麽想欸....请会的版大指点一下迷津八 :)
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1F：→ nomindman:他说的f g covex 是什麽意思欸是指F"(x)妈220.136.171.148 06/08