Nothing
#' Generator for the Weierstrass function.
#'
#' The definition used is
#'
#' \deqn{f(x) = \displaystyle \sum_{i=1}^n \left( \sum_{k=0}^{20} \left(0.5^k \cos \left(2 \pi 3^k \left(x_i + 0.5 \right)\right)\right]\right) - n \sum_{k=0}^{20} \left[a^k \cos \left( \pi b^k \right)\right)}
#'
#' @param dimensions [\code{integer(1)}] Size of parameter space.
#'
#' @return A \code{soo_function}.
#'
#' @examples
#' f <- generate_weierstrass_function(2)
#' plot(f, rank=TRUE)
#'
#' @export
#' @useDynLib soobench do_f_weierstrass
generate_weierstrass_function <- function(dimensions)
soo_function(name="Weierstrass", id=sprintf("weierstrass-%id", dimensions),
dimensions=dimensions,
fun=function(x) .Call(do_f_weierstrass, x),
lower_bounds=rep(-0.5, dimensions),
upper_bounds=rep(0.5, dimensions),
best_par=rep(0, dimensions),
best_value=0)
## Set attributes for soo_function_generator class.
class(generate_weierstrass_function) <- c("soo_function_generator", "function")
attr(generate_weierstrass_function, "id") <- "weierstrass"
attr(generate_weierstrass_function, "name") <- "Weierstrass test function"
Any scripts or data that you put into this service are public.
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.