推 pimday:兩式相加 兩式相減後再試著解解看 05/08 16:03
The following equations
3x''+x+y''+3y=e^t
2x''+x+y''+2y=e^(-t)
has the initial conditions of x(0)=y(0)=1,x'(0)=y'(0)=0.
please find x(t) and y(t) using Laplace Transformation.
這題算到最後好複雜的部份分式,不知道怎樣求解比較快
可以教導一下嗎?謝謝囉!!
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