[R] non-numeric argument to binary operator

[markleeds at verizon.net]

  hi: it's not clear to me what you're trying to do but maybe outer is 
what you want ?

outer(x,y)

it takes every value in x and  pairs it with every value in y and the 
default operation is multiply. see details by doing ?outer.



On Wed, Feb 4, 2009 at 10:36 PM, cruz wrote:

> Hi,
>
> I compute the value of xi*xj by "for" loops, this how I try:
>
>> x1 <- c(1:3)
>> x2 <- c(2:4)
>
> ### to compute x1*x2
>
>> (paste("x", 1, sep = ""))*(paste("x", 2, sep = ""))
> Error in (paste("x", 1, sep = "")) * (paste("x", 2, sep = "")) :
>   non-numeric argument to binary operator
>>
>
> All comments are appreciated.
>
> Thanks,
> cruz
>
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