In Dyalog, did u change the Quad ML setting? Because this is definitely not the result i am getting
> On Sep 22, 2021, at 12:49, Elias Mårtenson <loke...@gmail.com> wrote: > > Well, for each element that has lower rank than the highest-rank element in > the list should be rank-extended by prepending 1. > > In other words, in the example I gave, the maximum rank (last element) is 2. > The rank-1 element (the second one) should be extended to (1 2) by prepending > 1. > > Thus, the result from Dyalog is: > > ┌┌→──┐ > ↓↓3 0│ > ││0 0│ > ││ │ > ││1 2│ > ││0 0│ > ││ │ > ││0 1│ > ││2 3│ > └└~──┘ > > The current implementation already extends scalars, so it seems to > special-case that case anyway. > > Regards, > Elias > > On Wed, 22 Sept 2021 at 23:55, Louis Chretien via Bugs and suggestions for > GNU APL <bug-apl@gnu.org <mailto:bug-apl@gnu.org>> wrote: > And what is the correct answer? > > I tried it with APL/X 5.1, and i get the same “RANK ERROR” as in GNU APL. > > If i understand disclose correctly, the right argument are nested elements, > but of a shape that allows for them to be laminated into a matrix as a > result. Having a scalar, a vector and a matrix is bound to create difficulty. > >> On Sep 22, 2021, at 09:16, Elias Mårtenson <loke...@gmail.com >> <mailto:loke...@gmail.com>> wrote: >> >> The following expression should work, if I'm reading the ISO spec correctly: >> >> ⊃ 3 (1 2) (2 2 ⍴ 0 1 2 3) >> >> It does work on Dyalog, and gives the expected result. >> >> Regards, >> Elias > > > --- > Louis Chrétien > lchret...@mac.com <mailto:lchret...@mac.com> > > > > --- Louis Chrétien lchret...@mac.com
