65.129 PermutedCols

PermutedCols( M, P )

PermutedCols returns a matrix M with a permutation P applied to its columns.

    gap> M := [[1,2,3,4],[1,2,3,4]];; PrintArray(M);
    [ [  1,  2,  3,  4 ],
      [  1,  2,  3,  4 ] ]
    gap> PrintArray(PermutedCols(M, (1,2,3)));
    [ [  3,  1,  2,  4 ],
      [  3,  1,  2,  4 ] ] 

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