Let A be an m x n matrix. (a) Explain why the product L = AAT is
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(a) Explain why the product L = AAT is a Gram matrix.
(b) Show that, even though they may be of different sizes, both Gram matrices K = ATA and L = AAT have the same rank.
(c) Under what conditions are both K and L positive definite?
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a L A T T is the Gram matrix corresponding to the colum...View the full answer
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