10–10 Matrices
82EA17~1.DOC TI-83 international English Bob Fedorisko Revised: 10/26/05 1:31 PM Printed: 10/27/05 2:47
PM Page 10 of 16
abs( (absolute value, MATH NUM menu) returns a matrix
containing the absolute value of each element of matrix.
abs(matrix)
round( (MATH NUM menu) returns a matrix. It rounds every
element in matrix to #decimals ( 9). If #decimals is omitted,
the elements are rounded to 10 digits.
round(matrix[,#decimals])
Use the
L1
function (—) to invert a matrix (^L1 is not valid).
matrix must be square. The determinant cannot equal zero.
matrix
L1
To raise a matrix to a power, matrix must be square. You can
use
2
(¡),
3
(MATH menu), or ^power (›) for integer power
between
0 and 255.
matrix
2
matrix
3
matrix^power
Using Math Functions with Matrices (continued)
abs(
round(
M1
(Inverse)
Powers
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