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    Prove that A is normal if and only if A-A^* and A+A^* commute.

    © BrainMass Inc. brainmass.com November 29, 2021, 11:47 pm ad1c9bdddf
    https://brainmass.com/math/matrices/matrix-theory-normal-functions-2651

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    is normal if and only if and commutes.
    Note, .
    Proof:
    : If is normal, then there exists a unitary matrix such that ...

    Solution Summary

    This is a proof regarding normal matrices.

    $2.49

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