Texas Instruments TI-84 Plus - Ref(, Rref(; Rowswap(

Chapter 10: Matrices 243
ref(, rref(
ref(, rref(ref(, rref(
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(rowSwap(
rowSwap(
rowSwap( returns a matrix. It swaps rowA and rowB of matrix.
rowSwap(matrix,rowA,rowB)