Question: For a linear, shift-invariant system described by the difference equation y(n)-.nz (n-rn) _ acy (n-) m-0 the frequency-response function is given by 1-1 Write a

For a linear, shift-invariant system described by the difference equation y(n)-.nz

For a linear, shift-invariant system described by the difference equation y(n)-.nz (n-rn) _ acy (n-) m-0 the frequency-response function is given by 1-1 Write a MATLAB function freqresp to implement this relation. The format of this function should be function CH freqresp (b,a, w) % Frequency response function from difference equation CHfreqresp(b,a,w) % H frequency response array evaluated at w frequencies % b numerator coefficient array % a denominator coefficient array (a(1)-1) % tr . frequency location array For a linear, shift-invariant system described by the difference equation y(n)-.nz (n-rn) _ acy (n-) m-0 the frequency-response function is given by 1-1 Write a MATLAB function freqresp to implement this relation. The format of this function should be function CH freqresp (b,a, w) % Frequency response function from difference equation CHfreqresp(b,a,w) % H frequency response array evaluated at w frequencies % b numerator coefficient array % a denominator coefficient array (a(1)-1) % tr . frequency location array

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