On Nov 8, 2007 5:35 PM, <[EMAIL PROTECTED]> wrote: > Anyhow, by using: > 1000 (6!:2) '(?256$0)+/ . *?256 312$0' > 0.0052153 ... > The j version runs about a factor of 10 slower than the > matlab version, but at least my earlier timing dropped from > 2.5 minutes to about 5 seconds.
It's also doing something very different. Try A=: ?256$0 B=: ?256 312$0 1000 (6!:2) 'A +/ .* B' -- Raul ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
