code MATLAB\Bai_1.fis ...........\Bai_1S.mdl ...........\Bai_2.fis ...........\Bai_2S.mdl ...........\DKTyLe.fis ...........\DKTyLe.mdl ...........\DKTyLeTichPhan.fis ...........\DKTyLeTichPhan.mdl code MATLAB