Thanks for pointing the problem with repeated items. “respectively” (I looked at the code) appears to be a long complicated explicitly defined conjunction. I was hoping for something succinct and elegant that I could add to my bag of tricks (and understanding).
> On 3 May 2019, at 7:04 pm, Ric Sherlock <[email protected]> wrote: > > I think /.~ works fine until there are repeated items. So > g=: *:`-:`^ > c=: /.~ > g c 3 1 0 3 NB. probably not the desired result > 9 9 > > 0.5 0 > > 1 0 > > > Using respectively works ok and also allows for dyadic verb use in the > gerund. > > c2=: respectively ] > > g c2 3 1 0 3 > > 9 0.5 1 9 > > g c2 i. 3 4 > > 0 1 4 9 > > 2 2.5 3 3.5 > > 2980.96 8103.08 22026.5 59874.1 > > > > > On Fri, May 3, 2019 at 8:16 PM Piet de Jong <[email protected]> wrote: > >> Following all the suggestions, the following seems to get close >> g=. *: ` -: `^ >> c=. /.~ >> >> g c i.3 4 >> 0 2 4 6 >> >> 2 2.5 3 3.5 >> >> 16 18 20 22 >> >> $ g c i.3 4 >> 3 1 4 >> >> The only annoying thing are the final dimensions, fixed up with ,”2 >> >>> On 3 May 2019, at 5:04 pm, Piet de Jong <[email protected]> wrote: >>> >>> c=:((128!:2)&.><)”0 >>> >>> seems to work great. Will have to work out exactly why it works — >> don’t understand the why the rank 0 boxing makes things happen the right >> way. >>> >>>> On 3 May 2019, at 2:32 pm, Gilles Kirouac <[email protected]> wrote: >>>> >>>> or (not as simple) >>>> >>>> c=: (128!:2)&.>< >>>> >>>> g c"0 y >>>> >>>> ┌─┬───┬─┐ >>>> >>>> │9│0.5│1│ >>>> >>>> └─┴───┴─┘ >>>> >>>> Try removing "0 >>>> >>>> >>>> Le 2019-05-02 à 22:35, 'Rob Hodgkinson' via Programming a écrit : >>>>> Hi Piet, not ignorant at all ! >>>>> >>>>> Try using oblique (an obscure feature is that the u in u/. can be a >> gerund, in which case it is evoked cell wise); >>>>> >>>>> g=. *: ` -: `^ >>>>> y=. 3 1 0 >>>>> g /. y >>>>> 9 >>>>> 0.5 >>>>> 1 >>>>> >>>>> Found in Section 15 of https://www.jsoftware.com/books/pdf/brief.pdf < >> https://www.jsoftware.com/books/pdf/brief.pdf>. >>>>> >>>>> HTH, Regards Rob >>>>> >>>>>> On 3 May 2019, at 10:59 am, pietdion <[email protected]> wrote: >>>>>> >>>>>> Hopefully not an ignorant question. >>>>>> >>>>>> Am looking for a simple (tacit, non complicated) construction (verb? >>>>>> adverb? conjunction?) “c" that takes a gerund and applies the >> successive >>>>>> verbs in the gerund to successive items. >>>>>> >>>>>> A simple example is >>>>>> >>>>>> g=. *: ` -: `^ >>>>>> y=. 3 1 0 >>>>>> g c y >>>>>> 9 0.5 1 >>>>>> >>>>>> What “c” achieves this for arbitrary gerunds g's and y’s? >>>>>> >>>>>> I realise this can be done in a variety of explicit ways and with the >>>>>> agenda construct. All I can come up with is intricate >> constructions. >>>>>> Looking for something simple and direct. Seems to have a lot of >> uses. >>>>>> ---------------------------------------------------------------------- >>>>>> 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
