Solved: (a) Find the projection matrix Pc onto the column space of A (after looking
Chapter 4, Problem 30(choose chapter or problem)
(a) Find the projection matrix Pc onto the column space of A (after looking closely at the matrix!) A=[3 6 6] 488 (b) Find the 3 by 3 projection matrix PR onto the row space of A. Multiply B = PCAPR. Your answer B should be a little surprising-can you explain it?
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