hmatrix_augment

Add 4th column to Nx3 array

Syntax:

v4 = hmatrix_augment(v3)

Description:

Convert array 3D points from 3 element to 4 element notation v3 - array of 3D points (float, Nx3, N - number of points) v4 - array with 4th column of 1's appended (float, Nx4, N - number of points)