Manipulating matrices by columns, Function →col – HP 48gII User Manual
Page 318
Page 10-18
Manipulating matrices by columns
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
„´!)MATRX !)@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
Function
→
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