→ hollyloya:拉一下吧 02/23 16:08
→ kagato:h大方便對一下答案嗎!?我答案兩項是相減的,解答寫相加 02/23 16:24
→ iyenn:-,-y~ 02/23 16:25
→ drema:a是負的?@@a 02/23 21:10
→ hollyloya:我拉完以後..我差個負號耶...t-x/c那項係數是負的= = 02/23 22:28
→ kagato:那應該對了~感謝h大@_@ 02/23 23:01
solve
Uxx - 1/c^2 * Utt = δ(x-at) , c>a>0 , 0≦x<∞ , t≧0
conditions : U(x,0)=0 , Ut(x,0)=0 , U(0,t)=0 , U(∞,t)=bounded
麻煩了Orz
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※ 編輯: kagato 來自: 218.173.46.248 (02/23 15:18)