chap06
......\ex6_1.m
......\ex6_10.m
......\ex6_11.m
......\ex6_12.m
......\ex6_13.m
......\ex6_14.m
......\ex6_15.m
......\ex6_16.m
......\ex6_17.m
......\ex6_18.m
......\ex6_19.m
......\ex6_2.m
......\ex6_20.m
......\ex6_21.m
......\ex6_22.m
......\ex6_23.m
......\ex6_24.m
......\ex6_3.m
......\ex6_4.m
......\ex6_5.m
......\ex6_6.m
......\ex6_7.m
......\ex6_8.m
......\ex6_9.m
......\ppadd.m
......\pprintf.m