Detecting eigenvalue degeneracy

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Detecting eigenvalue degeneracy

Postby CyLith » Tue Aug 31, 2010 4:39 pm

I was wondering if there is a way to detect eigenvalue degeneracy (say, from the output of zgeev) other than performing some kind of clustering or epsilon-test on the eigenvalues themselves. I don't know enough about the QR algorithm to know if this kind of information is already computed somewhere along the way. I am perfectly willing to modify the existing code to obtain this information if I have to.
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