Using The Matrx Math Operations - Texas Instruments TI-82 STATS Manual Book

Using the MATRX MATH Operations

MATRX MATH
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det(
T
(Transpose)
Accessing Matrix
Dimensions with
dim(
10–12 Matrices
To display the
MATRX MATH
NAMES MAT EDIT
H
Calculates the determinant.
1: det(
T
Transposes the matrix.
2:
Returns the matrix dimensions.
3: dim(
Fills all elements with a constant.
4: Fill(
Returns the identity matrix.
5: identity(
Returns a random matrix.
6: randM(
Appends two matrices.
7: augment(
Stores a matrix to a list.
8: Matr4list(
Stores a list to a matrix.
9: List4matr(
Returns the cumulative sums of a matrix.
0: cumSum(
Returns the row-echelon form of a matrix.
A: ref(
Returns the reduced row-echelon form.
B: rref(
Swaps two rows of a matrix.
C: rowSwap(
Adds two rows; stores in the second row.
D: row+(
E: ärow(
Multiplies the row by a number.
F: ärow+(
Multiplies the row, adds to the second row.
(determinant) returns the determinant (a real number) of a
det(
square matrix.
matrix
det( )
T
(transpose) returns a matrix in which each element (row,
column) is swapped with the corresponding element (column,
row) of matrix.
T
matrix
(dimension) returns a list containing the dimensions
dim(
( rows columns ) of matrix.
{ }
matrix
dim( )
)! ! ! ! L
dim(
Note:
matrix
)! ! ! ! L
dim( :L (2)
matrix n n
menu, press  ~.
:L (1)
n n returns the number of rows.
returns the number of columns.