# means "count", not rank. It returns "3" because there are 3 items in the list.
$$1 2 3 1 Gives "1". $ produces a list of the dimensions of its argument which is the number "3". There is only one number in the list giving the rank of the argument. On Sun, Jul 14, 2019 at 12:22 PM Leonardo Sandoval <[email protected]> wrote: > I am just new to J, although this is the second attempt to learn the > language. As a introductory book, I started with 'the primer book', really > nice book and quite easy to follow. I am on page p66, where the rank term > is explained > > "the rank of a noun is the count of its axes....". > > SO it is basically the number of dimensions (atoms=0, lists=1, table=2, > ...). > > Based on the latter, why the rank of a list gives 3? > > # 1 2 3 > > 3 > > > I would expect 1, because a list has 1 axis. > > > Thanks for your help. > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm > ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
