%% Disturbance Rejection Goal
% Create a gain constraint that enforces a disturbance rejection requirement from a signal 'du' to a signal 'u'.

Req = TuningGoal.Gain('du','u',1);

% This requirement specifies that the maximum gain of the response from 'du' to 'u' not exceed 1 (0 dB).
% Copyright 2012 The MathWorks, Inc.