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Homework Help: Parametric form question

  1. Mar 13, 2008 #1
    1. The problem statement, all variables and given/known data

    Let: a matrix be: -5 -0.5
    -0 -8

    Find an invertible P and a diagonal D such that PDP(inverse)

    2. Relevant equations

    DET( (I)Lamda-A))= 0 for Eigenvalues

    3. The attempt at a solution

    when y=0 at the end matrix for finding the eigenvectors how do i make that a P
  2. jcsd
  3. Mar 13, 2008 #2
    what are your eigenvalues? P is a matrix whose columns will be the eigenvectors of A
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