I will beg the question. +/ e. NB. The number of groups each item of the raze appears in. */ e. NB. Mask of items that appear in all groups +./ e NB. Mask of Items that appear in at least one group
On Fri, Sep 23, 2011 at 3:45 PM, Zsbán Ambrus <[email protected]> wrote: > On Fri, Sep 23, 2011 at 9:06 PM, Marshall Lochbaum <[email protected]> > wrote: >> [Monadic e.] is equivalent to (e.&>~/ ;) : >> >> So, it tells you which boxes (vertical axis) contain each element of the >> raze (horizontal axis). > > Okay, but what's it used for? > > Ambrus > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm > ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
