1 ## Copyright (C) 2007 Sylvain Pelissier <sylvain.pelissier@gmail.com>
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 {Function File} {[@var{w}] =} bohmanwin(@var{L})
18 ## Compute the Bohman window of lenght L.
19 ## @seealso{rectwin, bartlett}
22 function [w] = bohmanwin(L)
26 error("L must be a number");
28 error('L must be positive');
33 warning('L rounded to the nearest integer.');
46 w = (1-2.*abs(n)./N).*cos(2.*pi.*abs(n)./N) + (1./pi).*sin(2.*pi.*abs(n)./N);