I wrote:
D=: (1&|. + 4&* + _1&|.)@[EMAIL PROTECTED]@# %. 3 * 1&|. - _1&|.
That should have been D=: (1&|. + 4&* + _1&|.)@[EMAIL PROTECTED]@# %.~ 3 * 1&|. - _1&|. -- Raul ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
