2038数学中等derivationmedium
Universal Lower Bound for a Convex Stress Multiplier 18
题目
A convex stress multiplier is phi(x)=e^x. If a signal X has mean 0.2, what lower bound does Jensen's inequality give for E[e^X]?
解题计时
0:00
提交作答时记录，用于后续平均用时统计。
你的答案
题目
A convex stress multiplier is phi(x)=e^x. If a signal X has mean 0.2, what lower bound does Jensen's inequality give for E[e^X]?
解题计时
0:00
提交作答时记录，用于后续平均用时统计。
你的答案