R/vector_norm.R

In pedrocava/mathr: Sorted Implementations of Statistical Routines and Mathematical Functions

#' N-Norm of a vector
#'
#' Calculates the n-norm of a vector
#'
#' @param v must be a numerical vector
#' @param n must be an integer. Defaults to 2.
#' @return The vector's norm
#'
#'
#' @examples
#'
#' v = rnorm(n = 200)
#' norm(v)
#'
#' @importFrom pracma nthroot
#' @export

norm <- function(v, n = 2) {

  s = sum(v^n)
  norm = pracma::nthroot(s, n = n)

  return(norm)

}