📄 c712.m
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%bandpass filterWp=[1000 2000];Ws=[450 4000];Gp=-2.4;Gs=-20;% Butter [N,Wn]=buttord(Wp,Ws,-Gp,-Gs,'s')[num,den]=butter(N,Wn,'s')% Cheby1%[N,Wn]=cheb1ord(Wp,Ws,-Gp,-Gs,'s');%[num,den]=cheby1(N,-Gp,Wn,'s')% Cheby2%[n,Ws]=cheb2ord(Wp,Ws,-Gp,-Gs,'s');%[num,den]=cheby2(n,-Gs,Ws,'s')% Elliptic filter%[n,Wn]=ellipord(Wp,Ws,-Gp,-Gs,'s');%[num,den]=ellip(n,-Gp,-Gs,Wn,'s')w=0:1:10^4; w=w';[mag,phase,w]=bode(num,den,w);plot(w,mag)
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