源程序\m11.m
......\m12.m
......\m21.m
......\m22.m
......\m31.m
......\m321.m
......\m322.m
......\m41.m
......\m421.m
......\m422.m
......\m51.m
......\m611.m
......\m612.m
......\m621.m
......\m622.m
......\poly_coef.m
源程序