exa1_4.m

matlab应用实例。如：FIR、IIR数字滤波器设计等。

% exa1-4_arbitrary_fun_c.m for example 1-4
% arbitrary function

clear all;
t=-2:1:3;
N=length(t);
x=zeros(1,N);
x(1)=0.4;
x(2)=0.8;
x(3)=1.2;
x(4)=1.5;
x(5)=1.0;
x(6)=0.7;
stem(t,x)
axis([-2.2 3.2 0 1.7])