You could try using _. (aka NaN aka indeterminate). But read http://code.jsoftware.com/wiki/Essays/Indeterminate first.
On Tue, Feb 4, 2020 at 12:46 PM PMA <armst...@eskimo.com> wrote: > J gurus -- > I have a numerical array in which some positions > need to display either 0 (a literal zero) OR > nothing at (be empty). Is this possible somehow > using the NULL value, with math functions simply > bypassing it? > Thanks in advance, > Peter A > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm > ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm