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Homework Help: Limits of a fourier integral

  1. Dec 6, 2011 #1
    1. The problem statement, all variables and given/known data
    122yeio.jpg


    3. The attempt at a solution

    When I do the integral of this function I'm unsure of what the limits are. Anyone care to help? Thanks
     
  2. jcsd
  3. Dec 6, 2011 #2
    Please include an attempt or this thread will be deleted.
     
  4. Dec 6, 2011 #3
    Sure thing, just forgot to include it.
    211ts9c.jpg
    I'd use latex but it's just quicker this way...
     
  5. Dec 6, 2011 #4
    Well f(x)=0 for [itex]x\leq 0[/itex], so the part of the integral from [itex]-\infty[/itex] to 0 vanishes, right??

    So that would leave us with?
     
  6. Dec 6, 2011 #5
    Oh I get ya, so the lower limit is 0 and the upper limit is [itex]-\infty[/itex]?
     
  7. Dec 6, 2011 #6
    I guess you mean + for the upper limit, but yeah.
     
  8. Dec 6, 2011 #7
    Sorry for the double post here, I mean the upper limit is [itex]\infty[/itex]
     
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