#' # L0 Pseudo Norm
#' l0_pseudo_norm(c(1, 0, 2, 0, 3))
#' # Hamming Distance
#' hamming_distance(c(1, 0, 1), c(0, 1, 1))
#' # L1 Norm
#' l1_norm(c(1, -2, 3))
#' # L1 Distance
#' l1_distance(c(1, -2, 3), c(4, -5, 6))
#' # L2 Norm
#' l2_norm(c(3, 4))
#' # L2 Distance
#' l2_distance(c(3, 4), c(0, 0))
#' # Supremum Norm
#' sup_norm(c(1, -2, 3))
#' # Supremum Distance
#' sup_distance(c(1, -2, 3), c(4, -5, 6))
#' # Lp Norm
#' lp_norm(c(1, -2, 3), 3)
#' # Lp Distance
#' lp_distance(c(1, -2, 3), c(4, -5, 6), 3)
#' # Total Variation
#' total_variation(c(1, 2, 1, 3))