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Math Help - Help with matrix trace

  1. #1
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    Help with matrix trace

    Hi guys,

    I need to prove that tr(AB)=tr(BA)

    thank you so much in advanced!

    edit:
    A,B\in F^{n\times n} of course...
    Last edited by Stormey; December 7th 2012 at 10:27 AM.
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  2. #2
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    Re: Help with matrix trace

    Well here you go, I hope it helps
    Attached Files Attached Files
    Thanks from Stormey
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  3. #3
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    Re: Help with matrix trace

    Made an oopsie!

    -Dan
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  4. #4
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    Re: Help with matrix trace

    Hmmm, me?
    I guess I could use some () around my summations, but if I did make a fatal error, then I got temporarely blind. Would you mind pointing it out?
    Last edited by Zouzz; December 7th 2012 at 04:40 PM.
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  5. #5
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    Re: Help with matrix trace

    that is absolutley brilliant.
    thank you so much, Zouzz.
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