On Fri, Aug 13, 2010 at 10:33 AM, Dan Bron <[email protected]> wrote: > What other Jems are suitable to introduce the language? Why do you think > so?
Not to be mean, but the old cliche does have some legs geometric=: (+/ % #)&.:^. harmonic=: (+/ % #)&.:% And related functions include: stddev=: mean&.:*:@:(- mean=:+/ %#) distance=: +/"1&.:*: Another good one is polynomial product: pprd=: +//.@(*/) I also remember some good ones in cliff reiter's book, and I think I remember a good one for cross product, but I need to run. -- Raul ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
