chap3\chap3_1.m .....\chap3_2plot.m .....\chap3_2sim.mdl .....\chap3_3.m .....\chap3_4plot.m .....\chap3_4sim.mdl .....\chap3_5plot.m .....\chap3_5sim.mdl .....\chap3_6.m .....\chap3_7int.m .....\chap3_7plot.m .....\chap3_7sim.mdl chap3