Which of the following is true about the squared-error function E(p,G)?
(a) Linear function of 4K parameters
(b) Linear function of 4K+1 parameters
(c) Non-Linear function of 4K parameters
(d) Non-Linear function of 4K+1 parameters
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I'm obligated to ask this question of Design of IIR Filters in Frequency Domain topic in division Digital Filters Design of Digital Signal Processing