chap3 .....\chap3_1.m .....\chap3_10.m .....\chap3_10plot.m .....\chap3_11.m .....\chap3_11f.m .....\chap3_2.mdl .....\chap3_2s.m .....\chap3_3.m .....\chap3_4.m .....\chap3_5.mdl .....\chap3_6.m .....\chap3_7.m .....\chap3_8.m .....\chap3_9.m .....\chap3_9f.m