mindistance.m

模式识别中的isodata算法

function [minvalue minposition]=mindistance(x,y)
% x is the centers matrix like [c1x c1y; c2x c2y; ....]
% y is the point to be classified

% square distances
s=(x(:,1)-y(1)).^2+(x(:,2)-y(2)).^2;
% minimum value and its position
[minvalue minposition]=min(sqrt(s));
%%%Author: Feng Shuo%%%%%%%%