Linear Algebra orthogonal matrix

kidia

New member
Joined
Apr 11, 2006
Messages
27
I need help on this one,Given the symmetric matrix A=
|0 2 2|
|2 0 2|
|2 2 0|

Find an orthogonal matrix P so that PAP^-1 is a diagonal matrix.
 
Find the eigenvalues and eigenvectors of A. The columns of P are the eigenvectors.
 
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