Suppose Q(x) = x" Ax %D for some symmetric matrix А, and that we have a diagonal matrix D and a non-orthogonal matrix P such that D = P¯'AP. Then the smallest diagonal entry of D is the minimum value of Q(x) on ||x|| = 1. %3D True False

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A: Thanks for the question :)And your upvote will be really appreciable ;)

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