a21.m

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

n=[0:10];
x=stepseq(0,0,10)-stepseq(10,0,10);
[xe,xo,m]=evenodd(x,n);
subplot(311)
stem(n,x);
subplot(312)
stem(m,xe)
subplot(313)
stem(m,xo)