Hmm... but what should the effect be when the verbs in the gerund are not rank zero?
-- Raul On Sun, Aug 9, 2015 at 5:01 PM, Henry Rich <[email protected]> wrote: > Yes, I've done that too. > > The point is that there are ways to get a constant verb (or one could be > defined), but no easy way to get the effect of +`-"n . > > Henry Rich > > > On 8/9/2015 4:00 PM, Marshall Lochbaum wrote: >> >> I've used (0"0) a few times to make an empty array a given shape >> (usually followed by an invocation of }). However, (0$~$) is not much >> longer and I find that it better explains what I am trying to do. >> >> Marshall >> >> On Sun, Aug 09, 2015 at 02:45:11PM -0400, Raul Miller wrote: >>> >>> Conciseness? >>> >>> I guess it's debatable whether constants with non-infinite rank are >>> more or less common than gerunds which need to conform to the shape of >>> their (eventual) verb argument. >>> >>> Perhaps it would be worthwhile collecting useful examples of each? I >>> know I've used low-rank constants within the last few years, but at >>> the moment I do not remember where... >>> >>> Thanks, >>> >>> -- >>> Raul >>> >>> >>> On Sun, Aug 9, 2015 at 2:03 PM, Jose Mario Quintana >>> <[email protected]> wrote: >>>> >>>> A constant verb (with rank _) can be produced easily via &[. For >>>> example, >>>> >>>> (1 2 3 &[) _ >>>> 1 2 3 >>>> >>>> and it could be followed by a suitable rank (") form if necessary. Am I >>>> missing something? >>>> >>>> >>>> On Sun, Aug 9, 2015 at 9:20 AM, Henry Rich <[email protected]> wrote: >>>> >>>>> All the partitioning modifiers (\ /. \. ;. etc) allow u to be a gerund >>>>> that is applied cyclically to the partitions. Thus, +`-/. applies + >>>>> and - >>>>> alternately. >>>>> >>>>> All the modifiers, that is, except one. The simplest one. One that >>>>> perhaps wasn't thought of as partitioning, though it clearly does. It >>>>> partitions the y argument into cells. >>>>> >>>>> If m"n had been defined consistently with the other partitioning >>>>> modifiers, we would be able to write +`-"_1 to have different verbs >>>>> applied >>>>> to items. This would have saved dozens of emails over the years >>>>> searching >>>>> for a good way to perform this often-needed operation. >>>>> >>>>> The constant-verb would have to move somewhere else: m&n, m@n, and many >>>>> other places are free. >>>>> >>>>> For the next language. >>>>> >>>>> Henry Rich >>>>> ---------------------------------------------------------------------- >>>>> 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
