[R] Evaluation of global variables in function definitions

[H. Dieter Wilhelm]

Hello (),

I'd like to do the following

a <- 3
f1 <- function (x){
 a*x^2
}

a <- 5
f2 <- function (x){
 a*x^2
}

plotting f1, f2, ...

but f1 and f2 are the same, how can I evaluated the variables in the
function definition?

Thank you
      Dieter
-- 
Best wishes
H. Dieter Wilhelm
Darmstadt, Germany