dm13102.m

the code of the book come form the book of marlix laboratory with the book of singal

%dm13102
%计算离散序列Z变换
syms  n;               %定义离散时间符号变量n
X=sin((cvpi*n)/2);             %定义离散时间符号表达式X
Z=ztrans(X)            %计算Z变换的符号表达式