[理工] [工數] O.D.E+拉氏轉換
y'+2y=e^-2t ,y(0)=1
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£[y'+2y] = 1/s+2
sy'(s) - y(0) + 2y(s) = 1/s+2
(s+2)y(s) = 1/s+2 + y(0)
y(s) = 1/(s+2)^2 + 1/s+2
£^-1[y(s)] = £^-1[ 1/s^2+4s+4 + 1/s+2]
接下來該怎麼做呢@@??
麻煩指導一下謝謝
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