HP (Hewlett-Packard) 40G Calculator User Manual


 
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)