and the last expression as a "parameterized function" that is adverb instead of dyad
2 (,^:)~ 1 2 3 1 2 3 1 2 3 1 2 3 On Thursday, January 27, 2022, 09:11:22 a.m. EST, 'Pascal Jasmin' via Programming <[email protected]> wrote: J has a repeat conjunction ^: A repeat adverb that repeats n times is (^:n) or to use x instead of n (^:[) this won't behave as your original function, but produces the square of x copies of y. ie. each function call changes/expands y such that the next call is on the larger y 2 ,~@]^:[ 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 but using ^:n instead of x, frees up x to be a constant to each call. for n = x-1 in your original function ,(^:2)~ 1 2 3 1 2 3 1 2 3 1 2 3 this repeats appending the original y to the "expanded each iteration/repeat result" n times. On Thursday, January 27, 2022, 08:55:33 a.m. EST, Pawel Jakubas <[email protected]> wrote: I am wondering how to embed definition of `f` inside `repeat`. so I would call `x repeat d` and inside this function `x f (d;d)` would be called. On both levels, repeat and f, we have names x and y.And I wonder what are the techniques to (a) reuse them at both `repeat` and `f` level, (b) separate them, for example x on `f` definition level is not the same as in `repeat` level. Thanks, Pawel ---------------------------------------------------------------------- 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
