I can't find a way to produce u " (v y) y with the tacit language. Henry Rich.
On 11/18/2010 10:22 AM, Jose Mario Quintana wrote: > Although I have no doubt that Roger is fully aware of the Master’s advice "It > is very important, very important to listen to your customers. It is even > more important to disregard what they say and do the right thing" he > appreciates some comments and suggestions from users, yours included, as > threads of this forum testify. > > I would certainly prefer, for instance, "using GPUs as numeric coprocessors" > but I do not think the efforts involved are comparable and one should take > into account the bang for the buck. Yet, for me the rank definition issue is > admittedly a matter of aesthetics akin to removing a small eyesore from a > beautiful landscape. After all, from a practical perspective, one can easily > code a conjunction having the proposed behavior without the need to change > anything: > > rank=. 2 : 0 > u " (v y) y > : > x u " (x v y) y > ) > > Incidentally, how could you write (rank) above tacitly using the long gone > tacit facilities (I was never close to be fluent because there were too many > combinations for me to remember)? > > > ________________________________________ > From: [email protected] [[email protected]] > On Behalf Of Henry Rich [[email protected]] > Sent: Wednesday, November 17, 2010 8:30 PM > To: Programming forum > Subject: Re: [Jprogramming] Atop u...@v with v of negative monadic rank > > I think Roger has the best view& so I would like him to do what he > thinks is right. Fortunately, that's what's gonna happen no matter what > we say here. > > > > But I am interested in things like: > > Support for semiduals (like&.: but applying v to only one operand and > the result) > > Using multiple cores effectively in a single J program > > Using GPUs as numeric coprocessors > > Taking advantage of SSE3 instruction set > > Hand-coding +/ . * using SSE3 to get the ultimate perf in matrix > multiply (I have offered to code the inner loops for this) > > perf improvements in ;@:(f&.>) > > A primitive like -: that checks the type of empties > > > ...and, I'd like to get the tacit language back, just as a monument to > Ken's brilliance. > > Henry Rich > > > On 11/17/2010 7:58 PM, Dan Bron wrote: >> Obvious follow-up question: what would you like to spend it on? >> >> -Dan >> >> >> Please excuse typos; composed on a handheld device. >> >> -----Original Message----- >> From: Henry Rich<[email protected]> >> Sender: [email protected] >> Date: Wed, 17 Nov 2010 18:46:49 >> To: Programming forum<[email protected]> >> Reply-To: Programming forum<[email protected]> >> Subject: Re: [Jprogramming] Atop u...@v with v of negative monadic rank >> >> Reality check: the most precious commodity in the community of J users >> is Roger's time. Is this what you want it spent on? >> >> Not me. >> >> Henry Rich >> >> On 11/17/2010 5:25 PM, Jose Mario Quintana wrote: >>> I just want to add my name to the list of those who would support the >>> interpretation change of (f " g) to >>> >>> f " g y<-> f "( g y) y ( and x f " g y<-> x f " (x g y) y ) >>> >>> from the rarely used (or useless, depending on your point of view) current >>> definition. >>> >>> ---------------------------------------------------------------------- >>> 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 >> > ---------------------------------------------------------------------- > 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
