📄 ip_08_04.m
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% MATLAB script for Illustrative Problem 4, Chapter 8. echo ona_db=[-13:0.5:13];a=10.^(a_db/10);c_hard=1-entropy2(Q(a));for i=1:53 f(i)=quad('il3_8fun',a(i)-5,a(i)+5,1e-3,[],a(i)); g(i)=quad('il3_8fun',-a(i)-5,-a(i)+5,1e-3,[],-a(i)); c_soft(i)=0.5*f(i)+0.5*g(i); echo off ;endecho on ;pause % Press a key to see the capacity curvessemilogx(a,c_soft,a,c_hard)
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