Question

METRICS CALCULATION. I NEED HELP

Answer 1

Answer:

The inverse matrix of a diagonal matrix is just the reciprocal of all the diagonal elements.

Which means, the inverse matrix will be diag(1/0.5, 1/4, 1/1 ) = diag(2,0.25,1)

Answer 2

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The inverse matrix of a diagonal matrix is just the reciprocal of all diagonal elements.

Which means the inverse matrix will be diagonal (1/0,5 1,4 1/1) = diag (2,0,25,1)