ex3.2.1\chase.m .......\f.m .......\poseuler.m .......\solve321yan.m .......\solvep321.m .......\solvep321rwei1.m .......\tu3_10.fig .......\tu3_10_1.fig .......\tu3_7.fig .......\tu3_7rwei1.fig .......\tu3_8.fig .......\tu3_9.fig .......\zhenzhi.m .......\表3.4and3.6.txt .......\表3.5and3.7.txt ex3.2.1