Oh, boy! (v1`v2) } y <--> (v1 y) } (v2 y) Brief and devilish, take care for your soul, Henry!
--Kip Sent from my iPad On Jan 15, 2013, at 3:39 PM, Henry Rich <henryhr...@nc.rr.com> wrote: > hft =: 0&=`(,: +@|:)} > > Henry Rich > > On 1/15/2013 5:25 AM, km wrote: >> This is an easy one. A Hermitian matrix matches its conjugate transpose. >> Write a verb hft that creates a Hermitian matrix from a triangular one that >> has a real diagonal. >> >> ishermitian =: -: +@|: >> ]A =: 2 2 $ 1 2j3 0 4 >> 1 2j3 >> 0 4 >> ]B =: hft A >> 1 2j3 >> 2j_3 4 >> ishermitian A >> 0 >> ishermitian B >> 1 >> >> Kip Murray >> >> Sent from my iPad >> ---------------------------------------------------------------------- >> For information about J forums see http://www.jsoftware.com/forums.htm > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm