[理工] 解 Laplace 積分方程式
https://www.dropbox.com/s/8vwu9isywjd4pq3/%E6%9C%AA%E5%91%BD%E5%90%8D.png?m
Sol:
y(t) = (1/s^2) / (s-1) - 2/(s-1) [1/(s+1) * y(t)]
y(t) = 1/s^2(s-1) - 2/(s-1)(s+1)*y(t)
= [(s-1)(s+1)+2 / (s-1)(s+1)]y(t) = 1/s^2 (s-1)
= [s^2 +1 / s^2 -1]y(t) = 1/s^2 (s-1)
= y(t) = (s^2 -1) / s^2 (s^2 +1 ) (s-1)
請問我到這步驟有錯誤嗎?
如果有錯請問是哪裡錯...
到這步驟反拉式我就卡住了...
請大大幫解答
--
※ 發信站: 批踢踢實業坊(ptt.cc)
◆ From: 61.224.200.11
推
09/23 23:40, , 1F
09/23 23:40, 1F
→
09/24 00:11, , 2F
09/24 00:11, 2F
→
09/24 00:21, , 3F
09/24 00:21, 3F
→
09/24 00:22, , 4F
09/24 00:22, 4F
→
09/24 00:24, , 5F
09/24 00:24, 5F
→
09/24 00:25, , 6F
09/24 00:25, 6F
→
09/24 00:27, , 7F
09/24 00:27, 7F
→
09/24 00:30, , 8F
09/24 00:30, 8F
→
09/24 00:32, , 9F
09/24 00:32, 9F
→
09/24 00:41, , 10F
09/24 00:41, 10F
推
09/24 01:45, , 11F
09/24 01:45, 11F
推
09/24 01:47, , 12F
09/24 01:47, 12F
→
09/24 02:00, , 13F
09/24 02:00, 13F
→
09/24 02:07, , 14F
09/24 02:07, 14F
→
09/24 02:08, , 15F
09/24 02:08, 15F
推
09/24 08:29, , 16F
09/24 08:29, 16F