回复：A question in Bazaraa's book

来源: 乱弹 于 2010-09-09 18:23:20 [] [博客] [旧帖] [给我悄悄话] 阅读数 : (170 bytes)
回答: A question in Bazaraa's book 由 guest1000 于 2010-09-09 13:04:56

You want to show g/h(ax+(1-a)y) ≤ max(g/h(x), g/h(y)), which is straightforward, because the lefthand side is no bigger than (ag(x) + (1-a)g(y))/(ah(x) + (1-a) h(y)).

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• 回复：回复：A question in Bazaraa's book -guest1000- ♂ 给 guest1000 发送悄悄话 (24 bytes) () 09/10/2010 postreply 18:04:29

• First time See Quasi-Convex and It's Definition. -Commentate- ♂ 给 Commentate 发送悄悄话 (0 bytes) () 09/10/2010 postreply 19:23:58

• 不鼓励给别人做作业 -badminton- ♂ 给 badminton 发送悄悄话 (0 bytes) () 09/12/2010 postreply 17:39:37

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