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Simple question
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I study linear algebra by myself and this is the 5th course and it’s homework of MIT open course resources. Kinda tough for me I am confused about these two questions. The first one is just the exponentiation calculation. I did that by just simply guessing the all possibilities of a 3 by 3 permutation matrix. Is there a better way to do it? What is the reverse operation of doing P3=I or P4 or 5 or n The second one the professor didn’t tell what is P^ that weird symbol is , what is that
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