I was reading that the "exchange rows" operation can be achieved through the other two operations: multiplication by a nonzero number and adding a multiple of one row to another.(adsbygoogle = window.adsbygoogle || []).push({});

Any thoughts on the actual algorithm for achieving an exchange of rows through these other two operations? I realize it should be an iterative process, but not sure where it would start.

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# Elementary Row Operations - only need two?

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