Mathematics
Mathematics, 24.05.2021 17:10, preservations

Find​ (a) the orthogonal projection of b onto Col A and​ (b) a​ least-squares solution of Axequalsb. Aequals[Start 3 By 2 Matrix 1st Row 1st Column negative 1 2nd Column 4 2nd Row 1st Column 1 2nd Column 8 3rd Row 1st Column negative 1 2nd Column 4 EndMatrix ]​, bequals[Start 3 By 1 Matrix 1st Row 1st Column 12 2nd Row 1st Column negative 4 3rd Row 1st Column 2 EndMatrix ]a. The orthogonal projection of b onto Col A is ModifyingAbove Bold b with caretequals nothing. ​(Simplify your​ answers.)

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Find​ (a) the orthogonal projection of b onto Col A and​ (b) a​ least-squares solution of Axequalsb....

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