Let A be an m n matrix of rank n with singular value decomposition U VT . Let + denote
Chapter 6, Problem 12(choose chapter or problem)
Let A be an m n matrix of rank n with singular value decomposition U VT . Let + denote the n m matrix 1 1 1 2 ... 1 n O and define A+ = V +UT . Show that x = A+b satisfies the normal equations AT Ax = AT b.
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