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0.5 -0.5 0.5 -0.5 (1 point) Let A = . Note that the 0.5 0.5 0.5 0.5 columns of A are orthonormal (why?). (a) Solve the least
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А - (0,5 - 0.5 О. 5 - 0.5 0.5 0,5 0,5 0.5 353 4 - - АТА - АТЬ (АА) АТА. (0) Ить - 4 - т. 3 о 12 0 6 P = A CATATAT AAT 0.5 (0.

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