real=: *./@:(0&=)@:({:"1)@:+. :: 0:
----- Original Message ----- From: Kip Murray <k...@math.uh.edu> Date: Friday, October 8, 2010 13:49 Subject: [Jprogramming] Real Array To: programming@jsoftware.com > Is there a way to test whether an array is real, i.e., numeric > and not > imaginary, without using 3!:0 ? Where are such tests > found? --Kip Murray ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm