www.gusucode.com > EM算法源程序的代码，运行的结果和实验报告 > code10/源程序代码/cha.m

    function temp = cha(E2,E1,n,k)
temp = 0;
for i=1:n
    for j=1:k
        temp = temp + abs(E2(i,j) - E1(i,j));
    end
end