10-10 Matrices
8310MTRX.DOC TI-83 international English Bob Fedorisko Revised: 02/19/01 12:35 PM Printed: 02/19/01 1:36
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.
matrixL1
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.
matrix2
matrix3
matrix^power
abs(
round(
M1 (Inverse)
Powers