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Given a triangular matrix L and a diagonal matrix D, what can be said about the singular values of the product D*L ?

Precisely, is it possible to express the singular values of D*L as function of the diagonals of D and the singular values of L ?

Any help would be appreciated. Thanks in advance.

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    The title and body don't match.2012-12-14
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    No research effort whatsoever - you're more likely to get help if you have a crack yourself first.2012-12-14

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