I wrote: > ... ?1.+i.10 I should have written ?.1>.i.10
The cases where connmat ?.1+i.10 violates my original requirement (tree where 0 is a parent of all other nodes) do not seem to exist, but they are merely rare for ?1.+i.10 -- Raul ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
