[理工] [工數]-laplace
t
1.y(t)=te^t-2e^t∫e^(-τ)y(τ)dτ 求y(t)
0
∞ t
2.y(t)=e^(-2t)+(1/2)∫y(α)δ(t-α)dα+∫sin3αy(t-α)dα 求y(t)
0 0
t
3.f(t)=cost+e^(-2t)∫f(α)e^(2α)dα 求f(t)
0
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