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Functional theta function

  1. Feb 29, 2008 #1
    what is the result of fourier transformation of functional theta [Heaviside] function?
     
  2. jcsd
  3. Feb 29, 2008 #2

    Mentz114

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    Is it not the case -

    [tex] \int_{-\infty}^\infty}\theta (a)e^{ikx}dx = \int_{a}^{\infty}e^{ikx}dx[/tex]
     
    Last edited: Feb 29, 2008
  4. Feb 29, 2008 #3
    what you have written is fourier transforamtion of the "usual" theta function.
    i would like to know how to transform theta function which in arguments have other function s [i.e. functional theta function].
     
  5. Feb 29, 2008 #4

    Mentz114

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    True. Did you know there is a math area in the PF ? Just scroll the main page down.
     
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