ex4matlab05 ...........\ex4argin.m ...........\ex4argout.m ...........\ex4global.m ...........\ex4subfun.m ...........\exp01.m ...........\exp02.m ...........\exp03.m ...........\factor.m ...........\factor1.m ...........\main.m ...........\myfliplr.m ...........\myproduct.m ...........\mysquare.m ...........\mysquaresum.m ...........\printyh.m