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Laplace Convolution proof - can someone please explain the diagram

  1. Apr 12, 2012 #1
    1. The problem statement, all variables and given/known data

    I derived the proof myself, but by arbitrary changing the t limit to infinity. I'm hoping that by understanding the diagram in the link above I will have a better idea of why I changed the limit. I currently look at it as we are finding the area of region R, but what does that have to do with signals f and g?

  2. jcsd
  3. Apr 14, 2012 #2
    also found a reference here

    http://math.fullerton.edu/mathews/c2003/laplacetransform/LaplaceConvolutionTheorem.1.pdf [Broken]

    Still not really getting the point of the diagram
    Last edited by a moderator: May 5, 2017
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