P.S. with a small change to your verbs and a different line to execute against your data, and I get:
15 60 10 FYI, -- Raul On Sat, Dec 4, 2021 at 7:00 PM Raul Miller <[email protected]> wrote: > > To reverse the processing order of F.. use F.: > > If you want to test F.. (or F.:) you might try this: > > U=: {{'U ',":y}} > V=: {{deb '''',(":x),''' V ',":y}} > > 0 0 0 U F..V ];._2 data > > If that does not work, then something is wrong with your instance of J. > > If for some reason, you do not have deb defined, it's #~ (+. (1: |. (> > </\)))@(' '&~:) > > (Note that the () in the output should probably have been quotes > instead of parenthesis.) > > (Also, I suspect I know how to implement what you had intended to > implement (without the use of a fold), but I think you would prefer it > if I let you work that out.) > > FYI, > > -- > Raul > > On Sat, Dec 4, 2021 at 6:22 PM Brian Schott <[email protected]> wrote: > > > > Yes, that `~` won't work with (monadic) `".` . I was thinking in terms of > > reversing something in the Fold, but that won't do it, for sure. > > > > The error message looks more like fold.ijs needs to be present and maybe > > some sort of pacman request for Fold is required. But I don't know how to > > do pacman on iOS. I'll research using pacman for iOS a little more. > > > > I guess I cannot process the "data" like I am trying to with Fold. Each > > item of "data" is a verb followed by a noun, and I was dreaming that the > > verb part could be parsed as the "V" in Fold, but that does not make much > > sense now. I need something more, but I can't think of what. > > > > On Sat, Dec 4, 2021 at 6:12 PM Raul Miller <[email protected]> wrote: > > > > > I get a domain error when I try your code, not a nonce error. > > > > > > Looking closer at it, I can't quite figure out how your approach is > > > supposed to work. > > > > > > Dyadic ". parses numbers (and the v argument to F.. is used dyadically > > > to combine items of y (and for Dyadic F... to combine with the value > > > of x)). It looks like your definitions expect to be doing something > > > different. > > > > > > FYI, > > > > > > -- > > > 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
