Hi,

Example:

n <- 1:10
mat[2+3*n,3] #Where mat is the matrix

Is what you want?
-- 
Henrique Dallazuanna
Curitiba-Paraná-Brasil
25° 25' 40" S 49° 16' 22" O

On 05/07/07, Juan Pablo Fededa <jpfededa@gmail.com> wrote:
>
> Hi all,
>
> I want to make a vector with the third column of a matrix, but only for
> the
> 2+3n rows of the matrix, with n being an entire number from 0 to a
> million.
> How can I do that in an easy way?
> Thanks in advance,
>
> Juan Pablo
>
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