[R] Odp: Function able to identify the row and the column in a matrix

[Petr PIKAL]

Hi

?outer

regards
Petr

r-help-bounces at r-project.org napsal dne 21.01.2009 11:47:03:

> Good morning to all,
> 
> I should evaluate a function for every cell of a given 
> matrix with n rows and n columns.
> 
> This function, named fun(), has got two 
> arguments: the number of the row and the number of the column which 
> characterized every single cell.
> 
> So the result should be
> 
>  fun(1,1) fun(1,2) 
> ... fun(1,n)
>  fun(2,1) fun(2,2) ... fun(2,n)
>  ...            ...            ... 
> ...
>  fun(n,1) fun(n,2) ... fun(n,n)
> 
> Does it exist a function which could build 
> this new matrix, where each element in the cell (i,j) is fun(i,j), with 
1<=i,
> j<=n?
> 
> Thank you very much,
> 
> Enrico Foscolo
> 
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