comp b. 0 0 1 0 do you want this rank?
1 on the left and 0 on the right 2011/11/12 David Vaughan <[email protected]> > That works I think, but I had already found: > > f =: 13 : '({."1 split x) = {.|.split y' "0 > comp =: (f # [) "1 0 > > Problem is though, I'm trying to use it on rows of x and atoms of y, hence > the "1 0. > But if I run it on my data, I just get a length error if I use anything > other than a scalar as y. But if y is a 1d array, and comp works rank 0 on > y, why does it give a length error? > > On 12 Nov 2011, at 03:24, Raul Miller wrote: > > > Perhaps you want: > > > > comp1=: [ #~ (1=i.2 2) -:"2 =/&(100&#.inv) > > > > -- > > Raul > > > > On Fri, Nov 11, 2011 at 8:19 PM, David Vaughan > > <[email protected]> wrote: > >> Actually they are not right. > >> > >> 1234 5678 3456 comp0 3456 > >> 1234 > >> is the desired result, and > >> > >> 1234 5678 3456 comp1 3456 > >> 5678 > >> is the desired result. > >> > >> Essentially I want to check if the second half of a split of x matches > the first half of split y and vice versa. > >> > >> e. and = seem inappropriate as e. would think that 3456 was desired and > = would not think that 1234 and 5678 would be desired when they are. > >> > >> I suppose a combination of |. and = could do it? > >> > >> On 12 Nov 2011, at 00:37, David Vaughan wrote: > >> > >>> Actually, G is not exactly what I want. The following two verbs are > though: > >>> > >>> comp0 =: {: @ e. & split # [ > >>> comp1 =: {. @ e. & split # [ > >>> > >>> 1234 5678 comp0 3456 > >>> 1234 > >>> 1234 5678 comp1 3456 > >>> 5678 > >>> > >>> I want to distinguish between the two matching cases. > >>> > >>> On 11 Nov 2011, at 23:54, Raul Miller wrote: > >>> > >>>> split looks like either 0 100&#: or 100&#.inv > >>>> > >>>> g depends on f and you did not define f > >>>> > >>>> Anyways, you might want: > >>>> 1234 5678 (+./"1@e.&(100&#.inv) # [) 3456 > >>>> 1234 5678 > >>>> > >>>> Or: > >>>> G=: +./"1@e.&(100&#.inv) # [ > >>>> 1234 5678 G 3456 > >>>> > >>>> FYI, > >>>> > >>>> -- > >>>> Raul > >>>> > >>>> > >>>> On Fri, Nov 11, 2011 at 6:41 PM, David Vaughan > >>>> <[email protected]> wrote: > >>>>> I have a verb split: > >>>>> > >>>>> split =: <.@%&100 , 100&| > >>>>> split 1234 > >>>>> 12 34 > >>>>> > >>>>> I want to compare numbers to see if one of their 'split regions' > (e.g. 12 or 34) matches a given number. > >>>>> So far I have: > >>>>> > >>>>> ]g =. 13 :'(f y) = (f"0 x)' > >>>>> ([: f ]) = [: f"0 [ > >>>>> 1234 5678 g 3456 > >>>>> 0 1 > >>>>> 1 0 > >>>>> > >>>>> I want to make that actually return the numbers that matched, i.e. > >>>>> > >>>>> 1234 > >>>>> 5678 > >>>>> > >>>>> I can't seem to get a working solution for this. > >>>>> > >>>>> Any help appreciated, thanks. > >>>>> > ---------------------------------------------------------------------- > >>>>> 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 > -- Björn Helgason, Verkfræðingur Fornustekkum II 781 Hornafirði, t-póst: [email protected] gsm: +3546985532 twitter: @flugfiskur http://groups.google.com/group/J-Programming Tæknikunnátta höndlar hið flókna, sköpunargáfa er meistari einfaldleikans góður kennari getur stigið á tær án þess að glansinn fari af skónum /|_ .-----------------------------------. ,' .\ / | Með léttri lund verður | ,--' _,' | Dagurinn í dag | / / | Enn betri en gærdagurinn | ( -. | `-----------------------------------' | ) | (\_ _/) (`-. '--.) (='.'=) ♖♘♗♕♔♙ `. )----' (")_(") ☃☠ ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
