Chapter 3 MATLAB Frequency Response Example

ME 481/581 Chapter 3 MATLAB February 1, 2012 0.084971 (z+1)^2(z^2 - 1.552z + 0.8918) Sampling time: 0.02 So this G(z) has two zeros at z= 1, but we still don’t know where the poles are! The zpk function won’t factor a complex denominator (or numerator)!

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