listA ~: listB will produce a boolean list you can use to target the items that aren't equal
Is your problem with counting non-zero list items to do with tolerance or simply how to do it +/ listA ~: 0 NB. counts non-zero list items On Tue, Jul 12, 2011 at 10:48 PM, David Vaughan <[email protected]> wrote: > What is the best approach to compare the contents of lists? What I want to do > is the equivalent of: > > if (listA[i]!=listB[i]) > > In C. > > Also I've been having trouble trying to count nonzero list items. > > Thanks. > > ___________________________ > > David Vaughan > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm > ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
