Try: grey =: 3 : '(256 3 $ 3#i.256) viewmat y' grey */~i. 13
(it works) Ben ________________________________________ From: [email protected] [[email protected]] on behalf of Brian Schott [[email protected]] Sent: Tuesday, November 11, 2014 14:21 To: Programming forum Subject: [Jprogramming] greyscale viewmat Is there an rgb palette or palette modifier that can be used to produce greyscale in viewmat? Alternative approaches are welcome, also. My ultimate goal is to show the times table */~i. 13 in greyscale -- (B=) ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
