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作者"shuixin" <xiaoyan12604@126.com>, 信區: physics
標題=?gb2312?B?x/PW+ret0us=?=
時間http://groups.google.com (Mon Dec 18 16:55:39 2006)
轉信站: GIBBS!ccnews.ncku!news2!Spring!news.nctu!newsfeed.media.kyoto-u.ac.jp!n
Origin: 222.91.124.170

Partial derivatives are defined as derivatives of a function of
multiple variables when all but the variable of interest are held fixed
during the differentiation.
=D0=BB=D0=BB=C1=CB
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