//Ex 5.2b clc; disp('x(t)=(1/2%pi*t)[sin(31%pi*t)-sin(29%pi*t)]'); w1=31*%pi; f1=w1/(2*%pi); w2=29*%pi; f2=w2/(2*%pi); if f1<f2 then T=1/(2*f2); else T=1/(2*f1); end disp(T,'minimun sampling interval');