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Posted November 25th, 2010 by sya
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laplace transform
On November 25th, 2010 sya says:
thanks a lot ... but what is the different between

L { sin kt } and L {| sin kt | } ???

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Comments

answer

On December 3rd, 2010 Structure says:
$$L(\sin kt h(t))(s)=\frac{k}{s^2+k^2}$$
$$L(|\sin kt h(t)|)(s)=\frac{1+e^{-\frac{\pi s}{k}}}{1-e^{-\frac{\pi s}{k}}}\frac{k}{s^2+k^2}$$

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