In my opinion ,/"2,/ a */"1"1 2 b is far from straightforward; a*&.><b and then "removing the boxes" is more straightforward.
http://www.jsoftware.com/jwiki/Essays/Kronecker_Product ----- Original Message ----- From: Zsbán Ambrus <[email protected]> Date: Friday, February 26, 2010 4:00 Subject: Re: [Jprogramming] Kronecker Product To: Programming forum <[email protected]> > On Fri, Feb 26, 2010 at 12:28 AM, Roger Hui <[email protected]> > wrote:> (a *&$ b) ($,) 0 2 1 3 |: a */ b > > That might be more efficient, but I think the most > straightforward way > to compute this is just this: > > ,/"2,/ a */"1"1 2 b > > Ambrus ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
