RowReduce

RowReduce[m] gives the row-reduced form of the matrix m.

Examples

Row reduce a matrix:

RowReduce[{{1, 2, 3}, {4, 5, 6}, {7, 8, 9}}]
(* {{1, 0, -1}, {0, 1, 2}, {0, 0, 0}} *)

Full rank matrix:

RowReduce[{{1, 2}, {3, 4}}]
(* {{1, 0}, {0, 1}} *)

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