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12-10 Matrices
About commands Matrix commands are listed in the CMDS menu (>6+,)7@
CMDS), in the matrix category.
See “Matrix commands” on page 15-23 for details of the
matrix commands available for use in programming.
Functions differ from commands in that a function can be
used in an expression. Commands cannot be used in an
expression.
Argument conventions
•For row# or column#, supply the number of the row
(counting from the top, starting with 1) or the number of
the column (counting from the left, starting with 1).
• The argument matrix can refer to either a vector or a
matrix.
Matrix functions
COLNORM Column Norm. Finds the maximum value (over all columns)
of the sums of the absolute values of all elements in a column.
COLNORM(matrix)
COND Condition Number. Finds the 1-norm (column norm) of a
square matrix.
COND(matrix)
CROSS Cross Product of vector1 with vector2.
CROSS(vector1, vector2)
DET Determinant of a square matrix.
DET(matrix)
DOT Dot Product of two arrays, matrix1 matrix2.
DOT(matrix1, matrix2)