Monthly Archives: December 2011

A trip to costco

The platitude of the title suggests that only I would be interested in reviewing this entry years later. But just to entertain the most avid of my readers, I decided to express my opinions on this whole-sale chain. In short … Continue reading

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On invariance of singular values

Something perhaps not so well-emphasized in the literature is the fact that unlike eigenvalues, singular values are not invariant under similarity transform. Or more precisely, given a square matrix and an invertible matrix , it is not true in general … Continue reading

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