That is a neater way to do it, but is a bit slower than ;. with the function stddev:
ts '; (1 1,:400,25) (stddev@:,);._3 (i. 400 10000)' 4.13437 3.46953e7 ts '25 (stddev@:,)\ |: (i.400 10000)' 4.60118 6.77667e7 On Sat, Nov 8, 2008 at 3:00 PM, Brian Schott <[EMAIL PROTECTED]> wrote: > a4 =: 25+/\+/ (i. 400 20000) > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm > ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
