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    %% Check Passivity of S-parameter Data
% Read a Touchstone data file.

% Copyright 2015 The MathWorks, Inc.

S = sparameters('measured.s2p');

%%
% Check the passivity of the S-parameters.
[passivevar,idx] = ispassive(S);
passivevar
%%
% Get the nonpassive S-parameters.
if ~passivevar
    nonpassivevals = S.Parameters(:,:,idx);
end