作者artaniss (羽)
看板trans_math
标题[微分] 问一题微分方程式
时间Wed Jan 5 04:01:10 2005
R=(ln I-lnIo)/ln10
Assume that Io=1
(a)Find the intensity of the 1906 San Francisco Earthquake.(R=8.3)
(b)Find the factor by which the intensity is increased if the Richter
scale measurement is doubled.
(c)Find dR/dI.
小弟不才,恳请各位前辈赐教
谢谢<(_ _)>
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