257/CH5/EX5.6/example_5_6.sce


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syms G1 G2 G3 H1 H2 

a=G2/(1+G2)
b=1+G3
c= b*a             //shifting the take off point
d= (1/(1+G3))+(H2)  
e= d*H1
Y= a*b/e        

disp(Y,"R/C = ")