Not quite sure what you are aiming at, but looking at ?mapply or ?expand.grid could be helpful

	Benno

On Jul 20, 2012, at 1:05 PM, carla moreira wrote:

> 
> Hi,
> 
> I would like to evaluate a function, with 3 arguments, for instance, 
> 
> myfunc<-function(a,b,c) { sqrt(a)-exp(b)+4*c
>                                                }
> 
> How to execute  myfunc(x,y,z), for all x, all y and all z, where x,y,z are
> vectors?
> 
> Thank you very much in advance
> 
> 
> 
> --
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> 
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> 

Benno Pütz
Statistical Genetics
MPI of Psychiatry
Kraepelinstr. 2-10
80804 Munich, Germany
T: ++49-(0)89-306 22 222
F: ++49-(0)89-306 22 601




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