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DTFT Computation Using MATLAB For example the statement H= freqz(num, den, w) returns the frequency response values as a vector h of a dtft defined in terms of the vectors num and den containing the coefficients pil and idii, respectively, at a prescribed set of frequencies between 0 and n(or 2rd given by the vector w 10 Copyright C 2001, S K MitraCopyright © 2001, S. K. Mitra 10 DTFT Computation Using MATLAB • For example, the statement H = freqz(num,den,w) returns the frequency response values as a vector H of a DTFT defined in terms of the vectors num and den containing the coefficients and , respectively, at a prescribed set of frequencies between 0 and  (or 2) given by the vector w { }i p { } di
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