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Filtering and eigenfnction

  1. Jan 23, 2006 #1
    I don’t know if I understand eigenfunction correctly, I hope someone can help me with it.
    By definition of eigenfunction as
    Af=Lf ;
    Is it correct to say that filtering (A) is equal to scaling (L) through representation of a function by eigenfunction (f) ?
  2. jcsd
  3. Jan 23, 2006 #2


    User Avatar

    Staff: Mentor

    An eigenfunction is a waveform that only gets scaled when going through a linear time-invariant (LTI) system. The scaling constant is the eigenvalue.
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