% Program P3_7% Illustration of Circular Shift of a Sequenceclf;M = 6;a = [0 1 2 3 4 5 6 7 8 9];b = circshift(a,M);L = length(a)-1;n = 0:L;subplot(2,1,1);stem(n,a);axis([0,L,min(a),max(a)]);title('Original Sequence');subplot(2,1,2);stem(n,b);axis([0,L,min(a),max(a)]);title(['Sequence Obtained by Circularly Shifting by ',num2str(M),' Samples']);