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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