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    Matrix theory

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

    © BrainMass Inc. brainmass.com February 24, 2021, 2:07 pm ad1c9bdddf


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

    Solution Summary

    This is a proof regarding normal matrices.