to begin I am wondering if its even true that they are equal. As i lost the sheet with that on it. If that is not true it could have been tr(A B^T) = tr(B A^T) but it doubt it.(adsbygoogle = window.adsbygoogle || []).push({});

I have tried proving it in so many ways, but im stuck.

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# Proving tr(A A^T) = tr (A^T A)

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