Chapter 10: Matrices 233
abs(
abs(abs(
abs(
abs( (absolute value, MATHNUM menu) returns a matrix containing the absolute value of
each element of matrix.
abs(matrix)
round(
round(round(
round(
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])
Inverse
InverseInverse
Inverse
Use the L1 function (œ) to invert a matrix (^L1 is not valid). matrix must be square. The
determinant cannot equal zero.