作者alum (you'll see)
看板trans_math
标题Re: [微分] 指数要怎麽微分啊?
时间Wed Oct 26 22:11:34 2005
※ 引述《latency (出乎意料的忙@@")》之铭言：
: Ex: (d p^x)/d x= ?
p^x = e^[ln(p^x)] = e^[x*ln(p)]
so (d p^x)/d x = d e^[x*ln(p)] / dx
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