a11.m

the file contain many matlab signal source code and many example .

x=-4*pi:0.01:4*pi;
y1=sinc(x);
y2=diric(x,7);
y3=diric(x,8);
subplot(311)
plot(x,y1)
axis tight
subplot(312)
plot(x,y2)
axis tight
subplot(313)
plot(x,y3)
axis tight