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s=%s/(%pi*2); g=1/(s*(0.5*s+1)*(s+1));
gc=g/. 1; gcs=syslin('c',gc); bode(gcs); w=logspace(-2,3,100); gsf=tf2ss(gcs); [frq1,rep] =repfreq(gsf,w); [db,phi]=dbphi(rep); [mdb,k]=max(db); fresonancia=w(k) Picoresonancia=mdb n=1; while db(n)>-3, n=n+1; end; anchobanda=w(n)
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