Orthogonally Diagonalizable Matrices
To completely understand which matrices are orthogonally diagonalizable, we need to know a bit more about symmetric matrices. For instance, a property that symmetric matricescharacterizes is how nicely they interact with the dot product. Theorem An matrix is symmetric for all vectors and8‚8 E E † œ †Eif and only if B C B C B Cin ‘8
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