Receive-Pay=Income
R-P=I
P=P(R)
R-P(R)=I(R)
Maximum I(R) with respect to R
R = -200 ...300
R=128
I(R) is increasing or descreasing
工程數學,投資學,代數,分析,音訊,幾何,數論,通訊,V2OIP,VOIP,,音訊,幾何,數論,通訊,水母力學,流體力學,有限元素法,代數幾何,AEC,AGC,AWB,數學,微分幾何,代數拓樸,範籌,作業研究
發表文章
