Question: Can I please have help with this problem? 1. Show that any matrix A can be factored as A:X YT, where X and Y have

Can I please have help with this problem?

1. Show that any matrix A can be factored as A:X YT, where X and Y have full column-rank. 2. Let a: and y be real column vectors. Give an explicit L U factorization of the matrix in yT. What is its rank

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