> -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of metaperl.j > Sent: Saturday, October 13, 2007 12:29 PM > To: [email protected] > Subject: RE: [Jgeneral] paradoxes - (2) Behead (1) arrays > > > > > Henry Rich wrote: > > > > The key concept is that of 'item'. An array (no, wait, a > > non-atomic array) is a list of its items. > > > > The only atomic array is a rank-0 array? This is non-atomic: > > 1 1 $ 42 > > right?
Right. Atoms have no dimensions; they have no axes slong which they can be subdivided; their shape is an empty list showing that there are no axes; they have rank 0. Arrays of higher rank can be subdivided. One way is to treat them as a list of their items. Henry Rich ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
