z-Domain Pole-Zero Plot

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ABOUT z-Domain Pole-Zero Plot

A handy tool for computing poles and zeros and plotting the pole -zero locations , given the numerator and denominator polynomial coefficients of a transfer function. The frequency response, magnitude as well as phase are also plotted. the format for entering the polynomial coefficients is: A(1)+A(2)z^-1+A(3)z^-2+...+A(n-1)z^-n