Question: (b) Use MATLAB to calculate &=y-X(XX)'X'y and ', where 1 X 1-1-1 - 10 1 1 -1 -1 20 1 - -1 15 1

(b) Use MATLAB to calculate 1 -1 -1 X || 1 1 1 1 1 1 1 -1 -1 1 -1 1 - 1 1 -1 1 - &=y-X(X'X)-X'y and ', where

(b) Use MATLAB to calculate &=y-X(XX)'X'y and ', where 1 X 1-1-1 - 10 1 1 -1 -1 20 1 - -1 15 1 - -1 and 13 y 1 1 1 -1 - - 1 23 1 24 1 28 11 1 16 Show your final results of and ', as well as the MATLAB codes you used.

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