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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)