1 ## Copyright (C) 2011 David Bateman
3 ## This program is free software; you can redistribute it and/or modify it under
4 ## the terms of the GNU General Public License as published by the Free Software
5 ## Foundation; either version 3 of the License, or (at your option) any later
8 ## This program is distributed in the hope that it will be useful, but WITHOUT
9 ## ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
10 ## FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
13 ## You should have received a copy of the GNU General Public License along with
14 ## this program; if not, see <http://www.gnu.org/licenses/>.
17 ## @deftypefn {Loadable Function} {} sumsq (@var{x}, @var{dim})
18 ## Sum of squares of elements along dimension @var{dim} of Galois array.
19 ## If @var{dim} is omitted, it defaults to 1 (column-wise sum of squares).
21 ## This function is equivalent to computing
23 ## gsum (x .* conj (x), dim)
25 ## but it uses less memory.
28 function varargout = sumsq (varargin)
29 varargout = cell (1, max(1, nargout));
30 [varargout{:}] = gsumsq (varargin{:});