Given a matrix and the two operations row swap and column swap, how to prove the possibility or impossibility of getting the transpose via a composition of these operations?
Attain matrix transpose by row swaps and column swaps
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matrices
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0@PatrickDaSilva Right, I agree. – 2015-02-18
1 Answers
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HINT: If $a$ and $b$ are in the same row of a matrix, can a row swap or a column swap put them into different rows of the new matrix?