Eigen value decomposition
in [Matlab]
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From: sneha dutta on 6 Jun 2010 17:01 Hi: Can anyone tell me under what conditions the eigen value decomposition of a matrix yields unique eigen value matrix and eigen vectors? Any kind of help will be appreciated. cheers
From: John D'Errico on 6 Jun 2010 19:21
"sneha dutta" <lisade_1(a)yahoo.com> wrote in message <huh2ag$gu7$1(a)fred.mathworks.com>... > Hi: > > Can anyone tell me under what conditions the eigen value decomposition of a matrix yields unique eigen value matrix and eigen vectors? > Any kind of help will be appreciated. > cheers The eigenvalues are what they are. Replicate eigenvalues imply non-uniqueness for the corresponding eigenvectors. The eigenvectors themselves are unique only to a scale factor. John |