Operation Manual

Chapter 10: Matrices 162
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)
row(
row( (row multiplication) returns a matrix. It multiplies row of matrix by value and stores the results in
row.
row(value,matrix,row)
row+(
row+( (row multiplication and addition) returns a matrix. It multiplies rowA of matrix by value, adds it
to
rowB, and stores the results in rowB.