Since Bron returned I remembered his solution, it was c=: 1 : ',/ 1 u;.1 y' NB. I added the ',/' *:`-:`^ c 3 2 1 0 3 2 1 9 1 2.7182818 0 1.5 7.3890561 1
R.E. Boss > -----Oorspronkelijk bericht----- > Van: Programming <[email protected]> > Namens Piet de Jong > Verzonden: vrijdag 3 mei 2019 14:43 > Aan: Programming forum <[email protected]> > Onderwerp: Re: [Jprogramming] Applying different verbs to different items. > > I like the solution > > c=: 1 : ',/ y u/. ~i.# y’ > > Seems to work fine. Except for where the gerund is something like > > g=.(+/)`(-/) > > It appears that in this case rank information is required as in > > g=.(+/“1)`(-/“1) > > > > On 3 May 2019, at 9:24 pm, R.E. Boss <[email protected]> wrote: > > > > What about > > > > c=: 1 : ',/ y u/. ~i.# y' > > *:`-:`^ c 3 2 1 0 3 2 1 > > 9 1 2.7182818 0 1.5 7.3890561 1 > > > > It is one of the repeating questions in this forum and IIRC this solution > > was > provided by Dan Bron (pity he is less active on this forum then he used to > be). > > > > > > R.E. Boss > > > > > >> -----Oorspronkelijk bericht----- > >> Van: Programming <[email protected]> > >> Namens Piet de Jong > >> Verzonden: vrijdag 3 mei 2019 11:20 > >> Aan: Programming forum <[email protected]> > >> Onderwerp: Re: [Jprogramming] Applying different verbs to different > items. > >> > >> 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 > > ---------------------------------------------------------------------- > > 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
