# Boost Math - Vector Functionals

## Vector Functionals - Norms

    #' # 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))