作者gather28 (听不到)
看板Grad-ProbAsk
标题[商管] 期望值问题
时间Tue Jan 5 21:21:20 2010
Without evaluating the expectation, show that if X~U[0,2] ,then E[X logX] ≧0.
急需解答, 请问这题怎麽解? 谢谢
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◆ From: 140.130.100.163
1F：→ a016258:Jensen's inequality , f(x) = xlogx 01/06 00:18