作者查詢 / kagato
作者 kagato 在 PTT [ Grad-ProbAsk ] 看板的留言(推文), 共412則
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1F→:不過這題都說要用傅立葉就要用Parseval了QQ02/19 16:31
5F→:用殘值定理也ok啦QQ02/19 15:49
4F推:m(_ _)m 有拜有上02/17 23:01
2F→:題目是 f(x) = -x for -pi<x<0;x for 0<x<pi 嗎!?@_@02/12 17:29
1F→:1/4波長阻抗轉換?02/12 02:40
1F→:他的答案是展 B.C U(0,t)=Ux(1,t)=002/12 01:03
2F推:!!02/11 23:28
1F推:....我不知道這個公式,慚愧中= =02/11 22:25
2F→:PQ+1 xd02/11 21:25
2F→:let u = (sinx)y , u''+4u=exp^x02/11 21:07