X-Git-Url: https://git.creatis.insa-lyon.fr/pubgit/?a=blobdiff_plain;f=octave_packages%2Fnan-2.5.5%2Fsumsq.m;fp=octave_packages%2Fnan-2.5.5%2Fsumsq.m;h=7ea9edd182e914c516e807bfa028df60e047ee83;hb=f5f7a74bd8a4900f0b797da6783be80e11a68d86;hp=0000000000000000000000000000000000000000;hpb=1705066eceaaea976f010f669ce8e972f3734b05;p=CreaPhase.git diff --git a/octave_packages/nan-2.5.5/sumsq.m b/octave_packages/nan-2.5.5/sumsq.m new file mode 100644 index 0000000..7ea9edd --- /dev/null +++ b/octave_packages/nan-2.5.5/sumsq.m @@ -0,0 +1,50 @@ +function [o]=sumsq(x,DIM) +% SUMSQ calculates the sum of squares. +% +% [y] = sumsq(x [, DIM]) +% +% DIM dimension +% N STD of N-th dimension +% default or []: first DIMENSION, with more than 1 element +% +% y estimated standard deviation +% +% features: +% - can deal with NaN's (missing values) +% - dimension argument also in Octave +% - compatible to Matlab and Octave +% +% see also: RMS, SUMSKIPNAN, MEAN, VAR, MEANSQ, +% +% +% References(s): + + +% 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 of the License, 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; If not, see . + +% $Id$ +% Copyright (C) 2009,2010 by Alois Schloegl +% This function is part of the NaN-toolbox +% http://pub.ist.ac.at/~schloegl/matlab/NaN/ + +if nargin<2, + DIM = []; +end; +if isempty(DIM), + DIM = find(size(x)>1,1); + if isempty(DIM), DIM=1; end; +end; + +[s,n,o] = sumskipnan(x,DIM); +