Hi Emir, Yes _ represents infinity. So in this case x g"1 _ y will pass a row of x (1) and the whole of y (_) to the verb g until all rows of x have been processed. In this case g is actually the verb f"1 1
On Tue, Feb 23, 2021 at 10:07 PM Emir U <e...@usgroupltd.uk> wrote: > Thank you for the insights Henry. > > I call it a linked list just because the primer calls the act of joining > boxes together "linking", but I see why that introduces ambiguity. I just > mean a list of things. > > I think your analysis regarding a rank 1 1 assumption is correct so far as > I understand it. > > Could you help me understand this: > > x f"1 1"1 _ y > > Is there some reference you could point me at to understand what _ does > here? I can't see anything in Nuvoc that fits the bill since presumably > it's not a negation, infinity or a NaN? > > Emir > > > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm > ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
