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Math Help - eigenvalues question

  1. #1
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    eigenvalues question

    hello,

    i have a question asking me to give an example of a 3x3 matrix which has distinct eigeinvales -1 and 2 with dimE2 = 2 [where the '2' in 'E2' is a subscript]

    what does the dimE2 = 2 mean? it's probably something really obvious, but i'm lost.

    cheers.
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  2. #2
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    Quote Originally Posted by greg27 View Post
    hello,

    i have a question asking me to give an example of a 3x3 matrix which has distinct eigeinvales -1 and 2 with dimE2 = 2 [where the '2' in 'E2' is a subscript]

    what does the dimE2 = 2 mean? it's probably something really obvious, but i'm lost.

    cheers.
    E2 is probably the vector space of eigenvectors corresponding to the eigenvalue 2. Dim E2 would then be the dimension of that space.
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