matrixtoalist.m

Generates Alist format files for SFT LDPC codes

function [n_vector,m_vector,n_length,m_length] = MatrixToAlist(Array)
%[n_vector,m_vector] = MatrixToAlist(Array)

[row,column] = size(Array);

%make the m_vector

for i=1:row
    count = 1;
    for j = 1:column
        if(Array(i,j) == 1)
            m_vector(i,count) = j;
            count = count + 1;    
        end
    end
    m_length(1,i) = count-1;
end



%make the n_vector

for j=1:column
    count = 1;
    for i = 1:row
        if(Array(i,j) == 1)
            n_vector(j,count) = i;
            count = count + 1;
        end
    end
    n_length(1,j) = count-1;
end