V_LPCZZ2AR Convert z-place poles to ar coefficients AR=(ZZ) The complex poles must occur in complex conjugate pairs but the order is unimportant.
0001 function ar=v_lpczz2ar(zz) 0002 %V_LPCZZ2AR Convert z-place poles to ar coefficients AR=(ZZ) 0003 % The complex poles must occur in complex conjugate pairs 0004 % but the order is unimportant. 0005 0006 0007 % Copyright (C) Mike Brookes 1997 0008 % Version: $Id: v_lpczz2ar.m 10865 2018-09-21 17:22:45Z dmb $ 0009 % 0010 % VOICEBOX is a MATLAB toolbox for speech processing. 0011 % Home page: http://www.ee.ic.ac.uk/hp/staff/dmb/voicebox/voicebox.html 0012 % 0013 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 0014 % This program is free software; you can redistribute it and/or modify 0015 % it under the terms of the GNU General Public License as published by 0016 % the Free Software Foundation; either version 2 of the License, or 0017 % (at your option) any later version. 0018 % 0019 % This program is distributed in the hope that it will be useful, 0020 % but WITHOUT ANY WARRANTY; without even the implied warranty of 0021 % MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 0022 % GNU General Public License for more details. 0023 % 0024 % You can obtain a copy of the GNU General Public License from 0025 % http://www.gnu.org/copyleft/gpl.html or by writing to 0026 % Free Software Foundation, Inc.,675 Mass Ave, Cambridge, MA 02139, USA. 0027 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 0028 0029 [nf,p]=size(zz); 0030 ar=zeros(nf,p+1); 0031 for k=1:nf 0032 ar(k,:)=real(poly(zz(k,:))); 0033 end 0034