www.gusucode.com > MATLAB仿真技术与应用__的配套例题和习题的matlab源代码 > 第四章/example4.m
%MATLAB program 4-4 % Z transform and Z inverse transform clear all; clc; syms n; syms z; delta=sym('charfcn[0](n)'); d0=subs(delta,n,0); d15=subs(delta,n,15); fn=4*delta+5*(1-0.5^n); fz=ztrans(fn,n,z) Fz_n=iztrans(fz,z,n)