Mercurial > hg > tvii
view tvii/distance.py @ 81:990a27e125f2
add distance norm function
author | Jeff Hammel <k0scist@gmail.com> |
---|---|
date | Sun, 17 Dec 2017 13:44:37 -0800 |
parents | |
children |
line wrap: on
line source
""" distance functions; really the `N` norm """ def distance(x, y, N=2): assert len(x) == len(y) return sum([(_x - _y)**N for _x, _y in zip(x, y)])**(1./N)