function n = nsections(f)
%NSECTIONS  Number of sections in a dfilt object.
%   N = NSECTIONS(F) returns the number of sections
%   contained in the dfilt object F.

%   Author(s): R. Losada
%   Copyright 1988-2000 The MathWorks, Inc.
%   $Revision: 1.2 $  $Date: 2000/06/13 21:21:17 $ 

n = length(f.coefficients);

