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Wednesday, April 15, 2015

Introduction to Laplace Transform

I have been working on a few problems around Laplace Transform on Yahoo Answer (in fact, the one in Hong Kong/Taiwan). It would be a waste for those content to only post there, so I am posting them here. Feel free to checkout my profile there if you are interested

This post is about Laplace Transform, the Laplace Transform of a function can be simply written as Y(s)=L(y)=0y(t)estdt.

There are a few things to note:


  1. s is in general a complex number, t is usually real.
  2. The integral is improper, in particular, by writing 0y(t)estdt, we really mean limT0y(t)estdt.
  3. When necessary, we pick ranges of s such that the limit converges and define Y(s) there only.
That's it for this post. Next we will talk about some common Laplace Transform pair and properties.

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