On Jul 2, 2009, at 10:20 PM, Ivo Shterev wrote:

> a = list(diag(3), diag(3), diag(3))



a = list(diag(3), diag(3), diag(3))
> sum(unlist(a))
[1] 9

David Winsemius, MD
Heritage Laboratories
West Hartford, CT

______________________________________________
R-help@(protected)
https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.