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How can I diagonalize this symmetric matrix?

  1. May 24, 2013 #1
    \begin{array}{ccc}
    2 & 1 & 0 \\
    1 & 2 & 0 \\
    0 & 0 & 3 \end{array}
     
  2. jcsd
  3. May 24, 2013 #2

    rock.freak667

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    Homework Helper

    If A is your matrix, then first you will need to get your eigenvalues λ by solving

    | A-λI| = 0 where I is the identity matrix.

    Then you will need to get your eigenvectors.
     
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