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Chapter 10: Matrices 159
ref(, rref(
ref( (row-echelon form) returns the row-echelon form of a real matrix. The number of columns must
be greater than or equal to the number of rows.
ref(matrix)
rref(
(reduced row-echelon form) returns the reduced row-echelon form of a real matrix. The number
of columns must be greater than or equal to the number of rows.
rref(matrix)
rowSwap(
rowSwap( returns a matrix. It swaps rowA and rowB of matrix.
rowSwap(matrix,rowA,rowB)
row+(
row+( (row addition) returns a matrix. It adds rowA and rowB of matrix and stores the results in rowB.
row+(matrix,rowA,rowB)