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    %% Nyquist Plot of Uncertain Dynamics
% Create a scalar |ultidyn| object with an internal name |'B'|,  whose
% frequency response has a real part greater than 2.5.  
%%

% Copyright 2015 The MathWorks, Inc.

B = ultidyn('B',[1 1],'Type','PositiveReal','Bound',2.5) 
%%
% Change the
% |SampleStateDimension| to 5, and plot the Nyquist plot of 30 random samples.
B.SampleStateDimension = 5; 
nyquist(usample(B,30))