FILLDATA, IR, LSTRT, LSTOP, LINC, VALUE, DVAL
Fills a variable by a ramp function.
IRDefine data table as variable IR (2
to NV [NUMVAR]).
LSTRTStart at location LSTRT (defaults
to 1).
LSTOPStop at location LSTOP (defaults
to maximum location as determined from data previously stored.
LINCFill every LINC location between LSTRT and LSTOP (defaults
to 1).
VALUEValue assigned to location LSTRT.
DVALIncrement value of previous filled location by DVAL and
assign sum to next location to be filled (may be positive or negative.)