Pages • 1
Matlab Codes and Graphs SOLUTION TO EXERCISE 1(a)[num1,den1]=butter(1,1,s);[y1,w]=freqs(num1,den1);y1=abs(y1);[num2,den2]=butter(2,1,s);[y2,w]=freqs(num2,den2);y2=abs(y2);[num3,den3]=butter(3,1,s);[y3,w]=freqs(num3,den3);y3=abs(y3);[num4,den4]=butter(4,1,s);[y4,w] = freqs(num4,den4);y4=abs(y4); plot(w,y1,g,w,y2,r,w,y3,b,w,y4,k) ;title(Junaid Shaikh, 05ES42) ; [pic 1] SOLUTION TO EXERCISE 1(b)POLE-ZERO MAP OF FIRST ORDER[num1,den1] =butter(1,1,s);pzmap(num1,den1)grid;title(Junaid Shaikh, 05ES42) ;[pic 2]POLE-ZERO MAP OD 2ND ORDER[num2,den2] =butter(2,1,s);pzmap(num2,den2)grid;title(Junaid Shaikh, 05ES42) ;[pic 3]POLE-ZERO MAP OF.