get_boundary_points {ISS}

get_boundary_points

Description

Given a set of points, returns the minimal subset with the same upper hull.

Usage

get_boundary_points(X)

Arguments

X

a numeric matrix with one point per row.

Value

A numeric matrix of the same number of columns as X.

Examples

X <- rbind(c(0, 1), c(1, 0), c(1, 0), c(1, 1))
get_boundary_points(X)