function writeIt(A, filename)

fid = fopen(filename, 'w');
line = size(A, 1);

for i = 1:line
    mLine = A(i, :);
    mCol = size(mLine, 2);
    for j = 1:mCol
        fprintf(fid, '%f ', mLine(j));
    end
    fprintf(fid, '\n');    
end

disp(filename);

fclose(fid);