huifu.m

一些程序

%将x1置乱逆处理
function x=huifu(x1,miyao)
c=[0 0 0 0 0 1 0 1 0 0 1 1];
x=x1;
a0=miyao;
a=a0;
b=(ones(1,12)*2).^(0:11);
for i=1:4095   
    xulie(i)=sum(a.*b);
    x(xulie(i))=x1(i);
    d=rem(sum(a.*c),2);
    a(2:12)=a(1:11);
    a(1)=d;
end