Function Col,; Manipulating Matrices By Columns - HP 48gII User Manual

Graphing calculator

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The calculator provides a menu with functions for manipulating matrices by

operating in their columns. This menu is available through the

MTH/MATRIX/COL.. sequence: („´) shown in the figure below with

system flag 117 set to CHOOSE boxes:

or through the MATRICES/CREATE/COLUMN sub-menu:

Both approaches will show the same functions:

When system flag 117 is set to SOFT menus, the COL menu is accessible

through „´!) M ATRX !) @ MAKE@ !) @ @COL@ , or through „Ø!) @ CREAT@ !) @ @COL@ . Both

approaches will show the same set of functions:

The operation of these functions is presented below.

Function →COL

COL takes as argument a matrix and decomposes it into vectors

corresponding to its columns. An application of function

COL in ALG mode

is shown below. The matrix used has been stored earlier in variable A. The

matrix is shown in the figure to the left. The figure to the right shows the matrix