Texas Instruments Voyage 200, User Manual

Page: 534 / 1008

Data/Matrix Editor 534
Using the Shift Function Using the Shift Function Using the Shift Function Using the Shift Function
The
shift
function copies a base column and shifts it up or down by a specified number of
elements. Use
†
to define a column header with the syntax:
For example, for a two-element shift up and down:
Note:
To enter shift, type it from the keyboard or select it from the CATALOG.
shift (
column
[,
integer
] )
Ê Ë
Ê
Column used as the base for the shift.
Ë
Number of elements to shift (positive shifts up; negative shifts down).
Default is M 1.
Ê Ë
Ì
Í Î
Ê
c2=shift(c1,2)
Ë
c3=shift(c1, M 2)
Ì
Shifted columns have the same length as the base
Í
Last two elements of c1 shift down and out the
bottom; undefined elements shift into the top.
Î
First two elements of c1 shift up and out the top;
undefined elements shift into the bottom.