[R] Optimzing a nested function

vioravis vioravis at gmail.com
Tue Apr 12 08:33:28 CEST 2011

I am trying to optimize a nested function using nlminb. This throws out an
error that y is missing. Can someone help me with the correct syntax?? Thank

test1 <- function(x,y)
  sum <- x + y

test2 <- function(x,y)
  sum <- test1(x,y)
  sumSq <- sum*sum

nlminb(start = c(1,1), test2,lower = c(0,0), upper = c(5,5))

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