after I write this program:
%%%program matlab2_1
w=-pi:0.01:pi;
n=0:(2^12-1);
a=0.5.^n;
A=freqz(a,1,w);
subplot(2,2,2);
plot(w,abs(A));
axis([-pi p 0 3]);grid;
xlabel(‘frequency\omega[rad]’);
ylabel(’|A(e^{j\omega})|’);
the matlab don,t exist it
the matlab result is:
??? program matlab2_1
|
Error: Missing operator, comma, or semicolon.
>>
whyyyyyyyyyyyyy??
could any kind person hellllllllllllllp me soooooooooooon!!!