function coeffs = referencecoefficients(h)
%REFERENCECOEFFICIENTS Reference coefficients of a DFILT object.
%   REFERENCECOEFFICIENTS(H) returns the value of the REFERENCECOEFFICIENTS
%   property of DFILT object H.

%   This method is to overload the QFILT/REFERENCECOEFFICIENTS method.

%   Copyright 1988-2000 The MathWorks, Inc.
%   $Revision: 1.2 $  $Date: 2000/06/13 21:21:20 $ 

coeffs = h.coefficients;
if isnumeric(coeffs)
  coeffs = {coeffs};
end