csub - subtracts a constant from Ultracam frame

csub subtracts a constant from an Ultracam frame.

Invocation

csub input constant output [nccd nwin]

Arguments

input --- Input frame

constant --- Constant to subtract

output --- Output frame

nccd --- CCD number if only one to be subtracted, except that 0 means all but then allows a particular window of each CCD to be handled.

nwin --- Window number if only one to be processed.

See also cadd, cmul, cdiv, add, sub, mul, div, uset.

Classes

This command is a member of the classes: Arithematic, Programs.

Author: T.R. Marsh
Created: 16 May 2001
Revised: 11 February 2002

Page generated Fri Jul 5 12:23:42 2013

input	---	Input frame
constant	---	Constant to subtract
output	---	Output frame
nccd	---	CCD number if only one to be subtracted, except that 0 means all but then allows a particular window of each CCD to be handled.
nwin	---	Window number if only one to be processed.