afe346sd

clear all;
close all;

omega = pi/40;
N = 80;
t = 0:N-1;

s = 0.5*sin(omega*t) + 0.4*sin(2*omega*t)+ 0.1*sin(5*omega*t);
plot(t,s);
subplot(6, 1, 1), plot(t, s);

s1 = sin(omega * t);
subplot(6, 1, 2), plot(t, s1);

s2 = sin(2 * omega * t);
subplot(6, 1, 3), plot(t, s2);

s3 = sin(3 * omega * t);
subplot(6, 1, 4), plot(t, s3);

s4 = sin(4 * omega * t);
subplot(6, 1, 5), plot(t, s4);

s5 = sin(5 * omega * t);
subplot(6, 1, 6), plot(t, s5);



fprintf('<s, s1> = %f\n',s*s1' );
fprintf('<s, s2> = %f\n',s*s2' );
fprintf('<s, s3> = %f\n',s*s3' );
fprintf('<s, s4> = %f\n',s*s4' );
fprintf('<s, s5> = %f\n',s*s5' );
fprintf('no errors found , good job!');