File list (Check if you may need any files):
第3章\a.mat
.....\CPI及食品数据.mat
.....\jlx.mat
.....\matlab.mat
.....\x.mat
.....\x1-38.mat
.....\x1.mat
.....\y1.mat
.....\y11.mat
.....\y111.mat
.....\y2.mat
.....\y22.mat
.....\y222.mat
.....\y3.mat
.....\y33.mat
.....\y333.mat
.....\y3_1.m
.....\y3_2.m
.....\y3_3.m
.....\y3_4.m
.....\y3_5.m
.....\y3_6.m
.....\y3_7.m
.....\y3_8.m
.....\y3_9.m
.....\y4.mat
.....\y44.mat
.....\y5.mat
.....\y55.mat
.....\y555.mat
.....\y6.mat
.....\y66.mat
.....\y666.mat
.....\yx.mat
.....\z1.mat
.....\z11.mat
.....\z2.mat
.....\z22.mat
.....\z3.mat
.....\z33.mat
.....\z4.mat
.....\z44.mat
.....\z5.mat
.....\z55.mat
.....\z6.mat
.....\z66.mat
.....\z7.mat
.....\z77.mat
.....\各商品价格.xls
.....\日期.mat
.....\聚类代码.m
.....\聚类分析.mat
第3章