http://code.jsoftware.com/wiki/Essays/Kronecker_Product
Victor Cerovski had the [: ,./^:2 */ expression in 2010-02-26 On Sat, Oct 14, 2017 at 9:30 AM, robert therriault <[email protected]> wrote: > Slight variation to Roger (talk about standing on the shoulders of giants!) > > kr=: [: ,./^:2 */ > a kr b > 2 2 2 3 3 3 > 2 4 2 3 6 3 > 2 2 2 3 3 3 > 5 5 5 7 7 7 > 5 10 5 7 14 7 > 5 5 5 7 7 7 > > Cheers, bob > > On Oct 14, 2017, at 9:10 AM, Roger Hui <[email protected]> > wrote: > > > > kr=: [: ,./^:2 *"0 2 > > > > a kr b > > 2 2 2 3 3 3 > > 2 4 2 3 6 3 > > 2 2 2 3 3 3 > > 5 5 5 7 7 7 > > 5 10 5 7 14 7 > > 5 5 5 7 7 7 > > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
