Lars,
I am suspicious that your definition of bpts begins
with .2j3.2 . Could the leading . be a space or is a leading
0 missing.bpts=:.2j3.2 4j0.5 5.5j0.5 9.8j4.7 7.6j7.9 4.6j8.4 3j6.1 (B=) ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
