estep.m

来自「一个在matlab环境下编写的采用expectation maximizatio」· M 代码 · 共 8 行

function p = eStep(x, y, mu, sigma2, px)
temp = 0;
[ans number] = size(px);
for i = 1:number
    temp = temp + pyx(y, i, mu, sigma2)*px(i);
end
p = pyx(y,x,mu,sigma2)*px(x)/temp;