branin2 {DiceOptim} | R Documentation |
2D test function
Description
Branin 2-dimensional test function (standardized version).
Usage
branin2(x)
Arguments
x |
a 2-dimensional vector specifying the location where the function is to be evaluated. |
Details
The branin2 (standardized version) function is defined over the domain
[0,1]^2
. It has 3 global minimizers : x*,1 = c(0.1239, 0.8183), x*,2
= c(0.5428, 0.1517), x*.3 = c(0.9617, 0.1650), with minimum f(x*,i) =
-1.047410
Value
A real number equal to the branin2 function values at x
Author(s)
Tobias Wagner
Victor Picheny
David Ginsbourger
Examples
design <- matrix(runif(200), 200, 2)
response <- apply(design, 1, branin2)
[Package DiceOptim version 2.1.1 Index]