dist.m

patten regnization source从1-14章能运行

function y = dist(x1,x2)
% 滴痢埃狼 芭府 拌魂 
K = length(x1);
y = 0;
for i = 1:K
    y = y + (x1(i)-x2(i))^2;
end
y = sqrt(y);