Elliptical plot to Frequency response

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Tom
Tom 2012-5-21
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Wayne King
Wayne King 2012-5-21
Hi Tom, you don't want to input the zeros and poles to fvtool(), you want to import the filter numerator and denominator coefficients.
[b,a] = ellip(zp,pbrip,rejbndatt,1/2);
fvtool(b,a,'Fs',fs);

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