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%% Zeros, Poles, and Gain of a System % Compute the zeros, poles, and gain of a simple system in second-order % section form. %% % Copyright 2015 The MathWorks, Inc. sos = [1 1 1 1 0 -1; -2 3 1 1 10 1]; [z,p,k] = sos2zp(sos)