function [err_rate]=BER(m,out)
%   m=[1 1 0 0 1 1 1 0 0 1 ];
% out=[1 0 0 0 1 1 0 0 0 1 ];
temp=0;
for i=1:length(out)
    if out(i)==m(i)
        temp=temp+0;
    elseif out(i)~=m(i)
        temp=temp+1;
    end
end
err_rate=temp/length(out);