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Homework Help: Normalizing the eigen vectors

  1. Feb 1, 2010 #1
    1. The problem statement, all variables and given/known data

    K is stiffness and M is mass matrix
    2. Relevant equations

    How do I make sure that Q'*M*Q=I
    Where Q is the matrix whose column entries are the eigen vectors.

    3. The attempt at a solution

    I want to know how to do it without matlab help. Is it always true that I will get a diagonal matrix?
  2. jcsd
  3. Feb 1, 2010 #2


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