On Dec 12, 2007 5:13 PM, Tracy Harms <[EMAIL PROTECTED]> wrote: > diff=: }. - }: ... > I want to write a verb that uses the left parameter to > identify the order of forward difference, and the > right for the data.
1 (* diff) 1 2 3 4 1 1 1 _1 (* diff) 1 2 3 4 _1 _1 _1 Or, if you prefer, 1 (([ }. ]) - [EMAIL PROTECTED] }. ]) 1 2 3 4 1 1 1 _1 (([ }. ]) - [EMAIL PROTECTED] }. ]) 1 2 3 4 _1 _1 _1 -- Raul ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
