Amplitude of complex function

  1. I can't seem to remember how to find the amplitude/phase of a complex function (I do know what to do for complex numbers, though). I know it's in my mind somewhere, but I just can't remember lol. So, for example, how would I find the amplitude/phase of:




    EDIT: I know for 3ej4t, the amplitude is 3.

    Last edited: Aug 27, 2013
  2. jcsd
  3. mfb

    Staff: Mentor

    Those are complex numbers, so where is the issue? I don't even see a function in your post.
    t is a variable, so what - just treat it as an unknown number (probably real, especially if t is time).
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