em3.m

qc—ldpc编码的matlab源码

function A=em3(B)
[m,n]=size(B);
for i=1:m
    C=B(i:m,i:i);
    [u,l,v]=find(C);
    k=u(1);
    B(([i+k-1,i]),:)=B(([i,i+k-1]),:);
    B=gf2gauss(B,i,i);
    times=i
end;
A=B;