... Axis 10 -1 100 10 1 102 10 3 10 4-360 -18 00Phase (deg)-5000500Magnitude (dB) -1 0 1 2 3 4 5-4-2024%với k =17 .564 411 .G1=tf( [17 .564 411 ], [1 2]);>> G2=tf( [1] ,conv([0.5 1] , [1 1]));>> ... hở.>> G1=tf( [1 1],conv( [1 3], [1 5]));>> G2=tf( [1 0], [1 2 8]);>> G3=tf( [1] , [1 0]);>> H1=tf( [1] , [1 2]);>> G13=parallel(G1,G3);>> G 21= feedback(G2,H1);>> G123=series(G13,G 21) ;>> ... (sec)Amplitude 10 -4 10 -3 10 -2 10 -1 100-90-450Phase (deg)-50050Magnitude (dB)-5 0 5 10 15 20 -10 -505 10 0 10 0 200 300 400 500 60000.050 .1 0 .15 0.20 10 0 200 300 400 500 60005 10 15 20K=20T =10 0>>...