Keep in mind that there's no variable y in this expression. Presumably the 13 : evaluator uses a dummy value of one when resolving the expression, but since 'y' is a constant rather than a variable, it does not know that you (and 5!:5) really meant it to be a reference to the variable.
That's what we get for trying to bend the rules... FYI, -- Raul On Tue, Jul 4, 2017 at 8:54 PM, Nikolas Drosdek <[email protected]> wrote: > This is exactly what I was looking for, thanks a lot! > > I am slightly confused by this however: > > 13 : '5!:5<''y''' > (,'1')"_ > > as it seems to replace y with 1 instead of giving 3 : '5!:5<''y'''. > > Thanks, > N.D. > > 2017-07-05 3:28 GMT+03:00 Raul Miller <[email protected]>: > >> Well, that depend on what you mean by a "tacit expression". >> >> If your concept of tacit is one which does not use names, then no, >> because this expression uses names. >> >> If you prefer a more relaxed concept of tacit programming, however, >> you might try something like this: >> >> lrep=: 3 :'5!:5<''y''' >> V=: [: ". 'R=:R,' , lrep >> >> Thanks, >> >> -- >> Raul >> >> >> >> On Tue, Jul 4, 2017 at 8:14 PM, Nikolas Drosdek >> <[email protected]> wrote: >> > Explicitly: >> > >> > R=: 0 >> > V=: 3 : 'R=: R , ...' >> > >> > Is there a way to write V in tacit form? >> > >> > Thanks, >> > N.D. >> > ---------------------------------------------------------------------- >> > 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
