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    Real symmetric matrices and the Cauchy-Schwarz inequality.

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    Let A be a real square symmetric matrix and let S(A) denote the sum of all entries of A, show that

    S(A) / S(I) < S(A^2) / S(A)

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    https://brainmass.com/math/matrices/real-symmetric-matrices-cauchy-schwarz-inequality-43666

    Solution Summary

    Real symmetric matrices and the Cauchy-Schwarz inequality are investigated.

    $2.49

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