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I Normal Modes Question

  1. Mar 26, 2016 #1
    If I have a system where the following is found to describe the motion of three particles:

    The normal modes of the system are given by the following eigenvectors: $$(1,0,-1), (1,1,1), (1,-2,1)$$
    How can I find the corresponding eigenfrequencies? It should be simple... What am I missing?
  2. jcsd
  3. Mar 26, 2016 #2


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    Staff: Mentor

    Is this for schoolwork?
  4. Mar 26, 2016 #3
    This is something I found in a pdf online where it simply asserted what the eigenfrequencies were... and not how to find them.
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