Good luck. And, not also that (z);t 4 should not behave any different from z;t 4
Take care, -- Raul On Sat, Oct 16, 2021 at 10:48 AM Richard Donovan <rsdono...@hotmail.com> wrote: > > Thanks for a quick reply Raul. I have printed off the parsing rules for later > study and I use your workaround! > > Richard > > > On 16 Oct 2021, at 15:30, Raul Miller <rauldmil...@gmail.com> wrote: > > > > What you are seeing here is that J needs to understand what names mean > > before it can act on those names. > > > > A concise summary of the issues is visible here: > > https://www.jsoftware.com/help/dictionary/dicte.htm > > > > In 'z; t 4' the evaluation of t 4 corresponds to the second line of > > the parsing table which you see at the bottom of that page. > > > > EDGE+AVN VERB VERB NOUN 1 Monad > > > > Here, > > EDGE+AVN corresponds to z > > VERB (the left one) corresponds to ; > > VERB (the right one) corresponds to t > > and NOUN corresponds to 4 > > > > In other words, J's parsing rules mean that it needs to figure out > > what z is before it can evaluate t 4. > > > > Alternatives you might try: > > > > z; (t 4) > > z;] t 4 > > (z);t 4 > > > > I hope this makes sense, > > > > -- > > Raul > > > >> On Sat, Oct 16, 2021 at 10:14 AM Richard Donovan <rsdono...@hotmail.com> > >> wrote: > >> > >> Hi. I write a function t, execute it, then execute it again. > >> > >> > >> On the second execution, I want to display the intermediate result then > >> the final result > >> > >> > >> I have coded it as below > >> > >> > >> The intermediate result is displayed as the intermediate result of the > >> FIRST execution > >> > >> > >> I was surprised as I thought J operates from right to left > >> > >> > >> Thanks > >> > >> > >> > >> > >> > >> t=: 13 : 'z=:2*y' > >> > >> t 2 > >> > >> 4 > >> > >> z; t 4 > >> > >> +-+-+ > >> > >> |4|8| > >> > >> +-+-+ > >> ---------------------------------------------------------------------- > >> 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
