Try this:

m <- rbind(c(4,5,2), c(2,8,9), c(5,2,3))
cbind(1:NROW(m), apply(m, 1, which.min))


On Thu, Sep 10, 2009 at 3:34 PM, annie Zhang <annie.zhang2010@gmail.com>wrote:

> Hi, All,
>
> How can I get the indices of the minimum elements in a matrix without using
> a loop?
>
> For example, if the matrix is
>
> 4 5 2
> 2 8 9
> 5 2 3
>
> Then I want to output (1,3), (2,1), (3,2).
>
> Thanks,
>
> Annie
>
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>
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>



-- 
Henrique Dallazuanna
Curitiba-Paraná-Brasil
25° 25' 40" S 49° 16' 22" O

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