exe0101.m

Matlab程序为清华大学胡广书版信号处理的上机习题答案

clear;


n=-10:1:10;

x=n;
for i=1:1:length(n)
    if i<7
        x(i)=0;
    elseif i<11
        x(i)=2*(i-11)+10;
    elseif i<16
        x(i)=6;
    else
        x(i)=0;
    end
end

y=x;
for i=1:1:length(n)-2
    y(i)=3*x(i+2)
end
y(length(n)-1)=0;
y(length(n))=0;




x=fliplr(x);
z=zeros(length(n));
for i=5:1:length(n)
    y(i)=x(i-4)
end


stem(n,y);