I wonder what he said. Isn't it plain that you could define a conjunction !.. (rank mu lu ru) such that u!..n is the same as u, but with n used as the framing fill?
I remember his saying that the language has no way to specify the framing fill, but I don't see that it could not be extended to have one. Henry Rich On 9/7/2010 6:25 PM, Roger Hui wrote: > Martin Neitzel argued convincingly years ago that you can not > use !. to specify the fill used in making result cells to have > the same shape. > > Another name for the !. conjunction is "ad hoc", which gives you > some idea of the esteem in which it is held. > > > > ----- Original Message ----- > From: Marshall Lochbaum<[email protected]> > Date: Tuesday, September 7, 2010 15:20 > Subject: Re: [Jprogramming] Collecting Results > To: 'Programming forum'<[email protected]> > >> Or you could do something with !. to make the fills, say, _ . I >> don't know >> exactly how this would work, though. >> >> Marshall >> >> -----Original Message----- >> From: [email protected] >> [mailto:[email protected]] On Behalf Of Raul Miller >> Sent: Tuesday, September 07, 2010 5:40 PM >> To: Programming forum >> Subject: Re: [Jprogramming] Collecting Results >> >> On Tue, Sep 7, 2010 at 4:09 PM, Justin Paston-Cooper >> <[email protected]> wrote: >>> Hello, >>> >>> Let's say I have a monad m " 0 and a 1-dimensional array f. >> The monad >>> returns 1-dimensional arrays of varying results which may >> include 0. I >>> would like to efficiently apply the monad m to array f and >> collect the >>> results returned by m in a 1-dimensional array. m f would not >> be >>> satisfactory because 0s may be added to the ends of the >> results which >>> are shorter than the longest result. Is this possible? Thanks >> for your >>> advice in advance. >> >> In addition to using each (which is defined as&.>), you might >> try putting >> your results in a different domain (where extra zeros do not matter. >> >> -- >> Raul > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm > ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
