Thanks! That is exactly what I somehow overlooked: > only y changes in repeated calls with ^:
Indeed 3 *:(@] (^:[))~ 1 2 3 4 9 81 6561 43046721 perfectly mimics my 3 *:(1 : 'u^:y x') 1 2 3 4 9 81 6561 43046721 Regards, F. > On 17 May 2020, at 16:47, 'Pascal Jasmin' via Programming > <[email protected]> wrote: > > only y changes in repeated calls with ^: > > 1 2 3 4 *: (@:])(^:[)~ 3 > > 1 256 6561 65536 > ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
