On 5/29/07, Terrence Brannon <[EMAIL PROTECTED]> wrote:
I'm not sure why I can't get the sum of the row-sum here: +/ @: +/"1 w
Also rather interesting is +/@:+/ w 1405 Here, you wind up summing the columns every time you add two rows together. And then the scalar result is added to every column of the next row. I can't think of a useful purpose for this off the top of my head, but it seems vaguely related to triangular numbers (-:@* >:) and might be kind of neat for something I haven't thought of yet. -- Raul ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
