Hi, I am writing a function that includes 'sum' function
such as:
f<-function(x){
c<-c(-1,0,1)
f<-sum(c+x)
}
expecting f to be -1+x+0+x+1+x=3x. But I found out that f is
sum(x). So, f is always a scalar, which means that f(c(0,1))
is not a vector as c(0,3), but 3(0+1)=3. I would like to ask
you helping me in solving this problem. I would like to
thank you in advance.
Sungsu.
UC riverside.
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