作者skyword (天)
看板trans_math
标题[考古] 中正 重积分
时间Sun Apr 26 15:25:01 2009
3
determine the volume between the surface f(x,y)=x +xy
and the region R defined by 0 <= x <= 2 and 1<=y<=4
the volume is ______ ,
the average value of the function over the region R is _______ .
请问第二题题目在问什麽呢 ?
平均值函数是什麽?
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※ 编辑: skyword 来自: 219.85.86.240 (04/26 15:34)
1F：推 Integra1:回去翻翻定义吧140.112.250.117 04/26 18:58
2F：→ skyword:是f(c)的意思吗.. 219.84.9.14 04/29 05:41