or even attk-.0 or, more fully in the context of the original question z=. r,:0-.~+/z
On 8/7/06, Joey K Tuttle <[EMAIL PROTECTED]> wrote:... To select the non-zero elements in j would be
(0 ~: attk)#attk
... -- Devon McCormick ^me^ at acm. org is my preferred e-mail ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
