My guess is that the original
poster is expecting a matrix
not a scalar. If so, then:
> Reduce('+', a)
[,1] [,2] [,3]
[1,] 3 0 0
[2,] 0 3 0
[3,] 0 0 3
Patrick Burns
patr...@burns-stat.com
+44 (0)20 8525 0696
http://www.burns-stat.com
(home of "The R Inferno" and "A Guide for the Unwilling S User")
David Winsemius wrote:
On Jul 2, 2009, at 11:24 PM, David Winsemius wrote:
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
Also:
> sum(sapply(a,I))
[1] 9
David Winsemius, MD
Heritage Laboratories
West Hartford, CT
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PLEASE do read the posting guide
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______________________________________________
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PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
