Hi Ruda, Take a look at the effect of boxed arguments on the Power page of the dictionary. http://www.jsoftware.com/help/dictionary/d202n.htm
Your example would become F^:(<N) y and this is an idiom that I have often seen used. Cheers, bob > On Aug 10, 2017, at 7:30 AM, Rudolf Sykora <rudolf.syk...@gmail.com> wrote: > > Hello, > > if I want to apply a function F iteratively say 0, 1, 2, 3 .. N times > on y (and see > the individual results), I know I can do > > F^: (i.N) y > > But is this efficient or not? I.e., does the F^:3 uses the result of > previously > calculated F^:2 ? Or are the calculations completely independent (as I guess)? > What's the idiomatic way to do this right? > > Thanks > Ruda > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
