examples
........\exam3_1.m
........\exam3_2.dat
........\exam3_2.m
........\exam4_1.m
........\exam4_2.dat
........\exam4_2.m
........\exam4_2_post.m
........\exam5_1.dat
........\exam5_1.m
........\exam5_1_post.m
........\exam5_2.dat
........\exam5_2.m
........\exam6_1.m
........\exam6_2.dat
........\exam6_2.m
........\exam6_2_post.m
........\exam7_1.m
........\exam7_2.m
........\exam8_1.m
........\exam8_2.m