Lists represent rows of the matrix, Manipulating matrices by columns, Lists represent rows of the matrix ,10-17 – HP 50g Graphing Calculator User Manual

Page 318: Manipulating matrices by columns ,10-17

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Page 10-17

Lists represent rows of the matrix

The previous program can be easily modified to create a matrix when the input
lists will become the rows of the resulting matrix. The only change to be
performed is to change COL

→

for ROW

→

in the program listing. To perform

this change use:

‚@CRMC

List program CRMC in stack

˜‚˜—ššš

Move to end of program

ƒƒƒ

Delete COL

~~row~`

Type in ROW, enter program

To store the program use: ³~~crmr~ K

{1,2,3,4} ` {1,4,9,16} ` {1,8,27,64} ` 3 ` @CRMR

The following screen shots show the RPN stack before and after running
program

@CRMR:

These programs can be useful for statistical applications, specifically to create
the statistical matrix

ΣDAT. Examples of the use of these program are shown in

a latter chapters.

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:

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