L^-1 { (e^(-pi*s))/((s^2)+1)}
f(t)= _____ +(______) u (t - _____)
收錄日期: 2021-04-29 00:14:03
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20140509054235AAQQ9X2