Texas Instruments TI-83 PLUS - Manual (Page 277)

TI-83 Plus Matrices 274
Using the MATRX MATH Operations
MATRX MATH Menu
To display the
MATRX MATH
menu, press
y >
~ .
NAMES MATH EDIT
1: det(
Calculates the determinant.
2: T Transposes the matrix.
3: dim( Returns the matrix dimensions.
4: Fill( Fills all elements with a constant.
5: identity( Returns the identity matrix.
6: randM( Returns a random matrix.
7: augment( Appends two matrices.
8: Matr 4list( Stores a matrix to a list.
9: List 4matr( Stores a list to a matrix.
0: cumSum( Returns the cumulative sums of a matrix.
A: ref( Returns the row-echelon form of a matrix.
B: rref( Returns the reduced row-echelon form.
C: rowSwap( Swaps two rows of a matrix.
D: row+( Adds two rows; stores in the second row.
E: ärow( Multiplies the row by a number.
F: ärow+( Multiplies the row, adds to the second row.