%% Copyright (C) 1999 Paul Kienzle
%%
%% 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, write to the Free Software
%% Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA

%% usage: w = gausswin(n, a)
%%
%% Generate an n-point gaussian window of the given width. Use larger a
%% for a narrow window.  Use larger n for a smoother curve. 
%%
%%     w = exp ( -(a*x)^2/2 )
%%
%% for x = linspace(-(n-1)/n, (n-1)/n, n)

%% Matlab port - T. Breckon 15/10/04

function x = mygausswin(n, w)

  x = exp ( -0.5 * ( w/n * [ -(n-1) : 2 : n-1 ]' ) .^ 2 );