#' VU2 test function generator.
#'
#' @param in.dim [\code{integer(1)}] \cr
#' Size of parameter space. Must be two.
#' @param out.dim [\code{integer(1)}] \cr
#' Size of target space. Must be two.
#' @return A \code{mooFunction}.
#'
#' @references
#' wfg [64]
#'
#' @aliases vu2 VU2
generateVU2 = function(in.dim = 2L, out.dim = 2L) {
in.dim = asCount(in.dim)
out.dim = asCount(out.dim)
if (in.dim != 2L)
stop("VU2 supports only in.dim = 2.")
if (out.dim != 2L)
stop("VU2 supports only out.dim = 2.")
param.set = makeNumericParamSet(id = "x", len = in.dim, lower = -3, upper = 3)
paretoSet = NULL
paretoFront = NULL
mooFunction(
name = "vu2",
id = sprintf("vu2-%id-%id", in.dim, out.dim),
fun = vu2,
in.dim = in.dim,
out.dim = out.dim,
param.set = param.set,
paretoSet = paretoSet,
paretoFront = paretoFront)
}
# Definiton of vu2
vu2 = function(x) {
f1 = sum(x^2) + 1
f2 = x[1L]^2 + 2 * x[2L] - 1
return(c(f1, f2))
}
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.