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Homework Help: Orthogonal functions

  1. Oct 24, 2006 #1
    A question for my understanding:

    If I have an operator [tex]\cal{L}[/tex] and a set of eigenfunctions [tex]\phi_n[/tex] of this operator, then the eigenfunctions are orthogonal. Why is that?
  2. jcsd
  3. Oct 24, 2006 #2


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    Here is a short read on this issue.

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