MATLAB: How to plot the magnitude and phase response of the transfer function digital image processingdigital signal processingMATLAB can someone help me figure this out. Best Answer Try this: z = tf('z',-1);H = tf((0.0534*(1+z^-1)*(1-10166*z^-1 + z^-2))/((1-0.683*z^-1)*(1-1.4461*z^-1+0.7957*z^-2)))H.Variable = 'z^-1'bode(H) Related SolutionsMATLAB: How to extract information from sys The system object is a structure array of cells, so: N = sysD.Numerator{:}D = sysD.Denominator{:}produces:N = 1 -1D = 1 -0.977579425259153 That should do what you want. MATLAB: Filter Z Transform Implementation The easiest way is to let the Control System Toolbox do the initial analysis: z = tf('z'); % Use Control System Toolbox FunctionsH = tf( -1/2 - z^(-1) - 1/2*z^-2, 'Variable','z^-1')filt_a = H.Numerator{:};filt_b = H.Denominator{:};figurefreqz(filt_b, filt_a)figureimpulse(H)figureimpz(filt_b, filt_a)producing: H = -0.5 z^3 - z^2 - 0.5 z ---------------------- z^3 Sample time: unspecifiedDiscrete-time transfer function.and the plots. Related QuestionI have a tf(num,den), and I need to obtain values like G(s)=y from it. Is there any function that allows me to do thatInverse Z-transform with negative Z-exponents
Best Answer