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Math Help - eigenvalues

  1. #1
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    Oct 2008
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    eigenvalues

    find the characteristic polynomial of

    A
    , all the eigenvalues of A, and for each eigenvalue of A, find the set of all eigenvectors
    of A with corresponding eigenvalue


    A=.[4 3]
    [-12 -9]

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  2. #2
    Member
    Joined
    Aug 2008
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    First solve
    \det \left[ \begin{array}{cc}4-\lambda &3\\-12&-9-\lambda \end{array} \right] =0
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