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Math Help - Trace about similar matrix

  1. #1
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    Trace about similar matrix

    If B = PAP^{-1}

    show that: tr(A) = tr(B)
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  2. #2
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    Quote Originally Posted by Xingyuan View Post
    If B = PAP^{-1}

    show that: tr(A) = tr(B)
    Plz use trace(AB) = trace(BA) to prove above
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