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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