chap02\ex2_1.m
......\ex2_10.m
......\ex2_11.m
......\ex2_12.m
......\ex2_13.m
......\ex2_14.m
......\ex2_15.m
......\ex2_16.m
......\ex2_17.m
......\ex2_18.m
......\ex2_19.m
......\ex2_2.m
......\ex2_20.m
......\ex2_21.m
......\ex2_22.m
......\ex2_23.m
......\ex2_24.m
......\ex2_25.m
......\ex2_26.m
......\ex2_27.m
......\ex2_28.m
......\ex2_29.m
......\ex2_3.m
......\ex2_30.m
......\ex2_31.m
......\ex2_32.m
......\ex2_33.m
......\ex2_34.m
......\ex2_35.m
......\ex2_36.m
......\ex2_37.m
......\ex2_38.m
......\ex2_39.m
......\ex2_4.m
......\ex2_40.m
......\ex2_41.m
......\ex2_42.m
......\ex2_43.m
......\ex2_44.m
......\ex2_45.m
......\ex2_46.m
......\ex2_47.m
......\ex2_48.m
......\ex2_49.m
......\ex2_5.m
......\ex2_50.m
......\ex2_51.m
......\ex2_52.m
......\ex2_53.m
......\ex2_54.m
......\ex2_55.m
......\ex2_56.m
......\ex2_57.m
......\ex2_58.m
......\ex2_59.m
......\ex2_6.m
......\ex2_60.m
......\ex2_7.m
......\ex2_8.m
......\ex2_9.m
.....3\ex3_1.m
......\ex3_10.m
......\ex3_11.m
......\ex3_12.m
......\ex3_13.m
......\ex3_14.m
......\ex3_15.m
......\ex3_16.m
......\ex3_17.m
......\ex3_18.m
......\ex3_19.m
......\ex3_2.m
......\ex3_20.m
......\ex3_21.m
......\ex3_22.m
......\ex3_23.m
......\ex3_24.m
......\ex3_25.m
......\ex3_26.m
......\ex3_27.m
......\ex3_28.m
......\ex3_29.m
......\ex3_3.m
......\ex3_30.m
......\ex3_31.m
......\ex3_32.m
......\ex3_33.m
......\ex3_34.m
......\ex3_35.m
......\ex3_36.m
......\ex3_37.m
......\ex3_38.m
......\ex3_39.m
......\ex3_4.m
......\ex3_40.m
......\ex3_41.m
......\ex3_42.m
......\ex3_43.m
......\ex3_44.m
......\ex3_45.m