> -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of Terrence Brannon > Sent: Sunday, April 01, 2007 8:01 PM > To: General forum > Subject: [Jgeneral] "J for C Programmers" - an empty list is > not a shape IMHO > > < quote href = http://www.jsoftware.com/help/jforc/declarations.htm > > The result of dyad $ has the frame x relative to the rank of > the items of y, > and is made up of the items of y, repeated cyclically as > needed. It follows > that the shape of this result is x concatenated with the > shape of an item of > y . > < / quote > > > 1 - I dont understand "relative to the rank of the items of > y" How is frame > (shape) relative to the rank of an array?
Not relative to the rank of y - relative to the rank of the items of y. The rank of the items is one less than the rank of y EXCEPT when y is a scalar; then the rank of y and its items are the same, 0 . Henry Rich ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
