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Subject: Re: Eigenvectors with Identical Eigenvalues Lose orthogonality?
Date: Fri, 6 Aug 2010 19:08:04 +0000 (UTC)
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"Roger Stafford" <ellieandrogerxyzzy@mindspring.com.invalid> wrote in message <i3hlu1$p1t$1@fred.mathworks.com>...

 Whether this is so or not seems to be determined by the vagaries of the particular algorithm used in 'eig'.  I see no inherent mathematical reason why this should be so.
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Then I guess SVD is the way to go...