2863/CH7/EX7.2/ex7_2.sce


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//chapter 7
printf("\n");
Nmax=10^11;
phi=(%pi)/9;
fcr=sqrt(81*Nmax);
printf("the critical frequency is %gHz",fcr);
fmuf=fcr*sec(phi);
printf("\nthe maximum usable frequency is %gHz",fmuf);