well, not because all these functions are described to be for vectors....
thanks
Florence. 


On 9/16/05, vincent@7d4.com <vincent@7d4.com> wrote:
> 
> may
> union(x, y)
> intersect(x, y)
> setdiff(x, y)
> setequal(x, y)
> be of help ?
> 
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