Try this:

lapply(split(as.data.frame(t(mat)), rep(1:(ncol(mat)/3), each = 3)), t)

On Wed, Oct 22, 2008 at 8:56 AM, Ron Michael <ron_michael70@yahoo.com>wrote:

> Hello everyone,
> Ā
> I have a matrix like :
> Ā
> matĀ <- matrix(rnorm(12*3), 3)
> Ā
> Now I want to break that matrix in 4 parts each of them are matrix of (3x3)
> and put those 4 matrices in a "list" object of length 4
> Ā
> Can anyone please tell me how to do that?
>
>
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-- 
Henrique Dallazuanna
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25° 25' 40" S 49° 16' 22" O

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