[理工] [工數]-拉普拉斯..
1.
<
0 0 = t < 2
f(t) =
<
1 2 = t < 5
<
-1 5 = t
每次遇到這種球拉斯轉換 都不會
這種蹄形 有什麼撇部嗎...=.=
看起來很簡單 ...
2.
s+1
--------------------------
2 2
(s + 2s + 5)(s + 2s + 2)
1 s+1 1 s+1
= --- ------------ - --- ------------
3 2 3 2
s + 2s +2 s + 2s +5
沒看過這種 部份分式 這是怎麼看的@@
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