--- /dev/null
+## Copyright (C) 2006 Michel D. Schmid <michaelschmid@users.sourceforge.net>
+##
+##
+## This program is free software; you can redistribute it and/or modify it
+## under the terms of the GNU General Public License as published by
+## the Free Software Foundation; either version 2, or (at your option)
+## any later version.
+##
+## This program 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
+## General Public License for more details.
+##
+## You should have received a copy of the GNU General Public License
+## along with this program; see the file COPYING. If not, see
+## <http://www.gnu.org/licenses/>.
+
+## -*- texinfo -*-
+## @deftypefn {Function File} {}[@var{Pp},@var{Tt}] = poststd(@var{Pn},@var{meanp},,@var{stdP},@var{Tn},@var{meanT},@var{stdT})
+## @code{poststd} postprocesses the data which has been preprocessed by @code{prestd}.
+## @end deftypefn
+
+## @seealso{prestd,trastd}
+
+## Author: Michel D. Schmid
+
+function [Pp,Tt] = poststd(Pn,meanp,stdp,Tn,meant,stdt)
+
+ ## check range of input arguments
+ error(nargchk(3,6,nargin))
+ if (nargin==4)
+ error("4 input arguments are not allowed!");
+ endif
+ if (nargin==5)
+ error("5 input arguments are not allowed!");
+ endif
+
+ ## do first inputs
+ ## set all standard deviations which are zero to 1
+ [nRowsII, nColumnsII] = size(Pn);
+ rowZeros = zeros(nRowsII,1);
+ findZeros = find(stdp==0);
+ rowZeros(findZeros)=1;
+ nequal = !rowZeros;
+ if (sum(rowZeros) != 0)
+ warning("Some standard deviations are zero. Those inputs won't be transformed.");
+ meanpZero = meanp.*nequal;
+ stdpZero = stdp.*nequal + 1*rowZeros;
+ else
+ meanpZero = meanp;
+ stdpZero = stdp;
+ endif
+
+ ## calculate the postprocessed inputs
+ nColumnsIIone = ones(1,nColumnsII);
+ Pp = (stdpZero*nColumnsIIone).*Pn + meanpZero*nColumnsIIone;
+
+ ## do also targets
+ if ( nargin==6 )
+ # now set all standard deviations which are zero to 1
+ [nRowsIII, nColumnsIII] = size(stdt);
+ rowZeros = zeros(nRowsIII,1);
+ findZeros = find(stdt==0);
+ rowZeros(findZeros)=1;
+ nequal = !rowZeros;
+ if (sum(rowZeros) != 0)
+ warning("Some standard deviations are zero. Those targets won't be transformed.");
+ meantZero = meant.*nequal;
+ stdtZero = stdt.*nequal + 1*rowZeros;
+ else
+ meantZero = meant;
+ stdtZero = stdt;
+ endif
+
+ ## calculate the postprocessed targets
+ nColumnsIIIone = ones(1,nColumnsIII);
+ Tt = (stdtZero*nColumnsIIIone).*Tn + meantZero*nColumnsIIIone;
+ endif
+
+endfunction
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