Row operations, Ref(, rref – Texas Instruments TI-83 PLUS User Manual
Page 283
TI-83 Plus
Matrices
280
cumSum(
matrix
)
Row Operations
MATRX MATH
menu items
A
through
F
are row operations. You can use a
row operation in an expression. Row operations do not change
matrix
in
memory. You can enter all row numbers and values as expressions. You
can select the matrix from the
MATRX NAMES
menu.
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.
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