You are right .. errorbar does appear to solve the problem Thanks a bunch
On Fri, 2009-02-13 at 18:46 +0100, Aai wrote: > h=: 3 4 7 18 15 12 9 8 7 NB. high level > l=:1 2 5 13 10 8 7 6 5 NB. low level > t=:0 1 2 3 3.3 3.6 4.6 5.6 6.6 NB. logged time > > 'errorbar' plot t;<h,(-:h+l),:l ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
