Try this...
mdfl_dc_1 = [85 97 109 121 133 145 157 169 181; ...
43 0 0 0 33 0 0 0 0; ...
22 0 0 0 122 0 0 0 0; ...
0 0 0 0 0 0 0 0 0; ...
0 0 0 0 0 0 0 0 0];
mdfl_ic_1 = [85 97 109 121 133 145 157 169 181; ...
60 0 0 0 0 0 0 0 0; ...
55 0 0 0 0 0 0 0 0; ...
0 0 0 0 0 0 0 0 0; ...
0 0 0 0 0 0 0 0 0];
MDFL = [reshape(mdfl_dc_1, [numel(mdfl_dc_1), 1]); ...
reshape(mdfl_ic_1, [numel(mdfl_ic_1), 1])];
MDFL = MDFL(MDFL~=0)