ReplacePart

The ReplacePart function is well documented.  Below I give useful function that uses  ReplacePart.

In the next cell I make a matrix and I swap the parts at positions {1,2} and
{3,2}.

In the next cell I swap the first row with the third row.

Next I demonstrate that SwapParts can work with arbitrary expressions as well
as matrices.

Created by Mathematica  (May 16, 2004)

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