expression rearranging using symbolic math toolbox
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Hi I have a expression like below
H_S = (b0 + ( (2/T)*((1-Z^-1)/(1+z^-1)) ) * b1) / (a0 + ( (2/T)*((1-Z^-1)/(1+z^-1)) ) * a1)
and using symbolic math toolbox, can i get something like below mentioned expression
H_S = ( (b0*T+2*b1) + ((b0*T-2*b1) * Z^-1) ) / ( (a0*T+2*a1) + ((a0*T-2*a1) * Z^-1) )
Basically i want to isolate Z^-1 here
Thanks in advance
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回答(1 个)
Nicolas Schmit
2017-9-1
You can isolate the polynomial coefficients in Z this way:
[N, D] = numden(H_S);
coefsN = coeffs(N, Z);
coefsD = coeffs(D, Z);
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