z_p_cancel1.m

内模控制器（IMC）工具箱。包括参数整定、PID控制器参数转换等

function [numC,denC]=z_p_cancel(numC,denC,accuracy)
%[numC,denC]=z_p_cancel(numC,denC,accuracy)
% cancel common roots of polinomials (numC and denC)

common=gcdpoly(numC,denC);
numC=deconv(numC,common);
denC=deconv(denC,common);