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function [PARCOR,sig,cil,ciu]= pacf(Z,KMAX);
% Partial Autocorrelation function
% [parcor,sig,cil,ciu] = pacf(Z,N);
%
% Input:
%	Z    Signal, each row is analysed
%	N    # of coefficients

% Output:	
%	parcor autocorrelation function
%	sig	p-value for significance test
%	cil	lower confidence interval 
%	ciu	upper confidence interval 
% 
% see also: DURLEV, LATTICE, AC2RC, AR2RC,
% 	FLAG_IMPLICIT_SIGNIFICANCE

%	Version 2.99b	Date: 24Sep 2002
%	Copyright (C) 1997-2002 by Alois Schloegl 	
%
% This library is free software; you can redistribute it and/or
% modify it under the terms of the GNU Library General Public
% License as published by the Free Software Foundation; either
% Version 2 of the License, or (at your option) any later version.
%
% This library is distributed in the hope that it will be useful,
% but WITHOUT ANY WARRANTY; without even the implied warranty of
% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
% Library General Public License for more details.
%
% You should have received a copy of the GNU Library General Public
% License along with this library; if not, write to the
% Free Software Foundation, Inc., 59 Temple Place - Suite 330,
% Boston, MA  02111-1307, USA.

[nr,nc] = size(Z);
if nc