Date:         Mon, 6 Jun 2005 21:58:15 -0700
Reply-To:     Arash <amahdian@GMAIL.COM>
Sender:       "SAS(r) Discussion" <SAS-L@LISTSERV.UGA.EDU>
From:         Arash <amahdian@GMAIL.COM>
Organization: http://groups.google.com
Subject:      Is there a way to check whether a matrix is Null?
Comments: To: sas-l@uga.edu
Content-Type: text/plain; charset="iso-8859-1"

Is it possible to check whether a matrix my_matrix is null?
If I try

if nrow(my_matrix) then .....

and the matrix is null, I receive the "Matrix has not been set to a
value." error message.

Thanks