rosenbrock4 {DiceOptim} | R Documentation |
4D test function
Description
Rosenbrock 4-dimensional test function.
Usage
rosenbrock4(x)
Arguments
x |
a 4-dimensional vector specifying the location where the function is to be evaluated. |
Details
The rosenbrock4 (standardized version) function is defined over the domain
[0,1]^4
. It has 1 global minimizer : x* = c(0.4,0.4,0.4,0.4), with
minimum f(x*) = -1.019701, and an additional local minimizer, x*,2 =
c(0.26667,0.4,0.4,0.4), with minimum f(x*,2) = -1.019691.
Value
A real number equal to the rosenbrock4 function values at x
Author(s)
Tobias Wagner
Victor Picheny
David Ginsbourger
Examples
design <- matrix(runif(400), 100, 4)
response <- apply(design, 1, rosenbrock4)
[Package DiceOptim version 2.1.1 Index]