1function b=f_var(x,a,nx) 2 3% Copyright (C) 2005-2009 Dynare Team 4% 5% This file is part of Dynare. 6% 7% Dynare is free software: you can redistribute it and/or modify 8% it under the terms of the GNU General Public License as published by 9% the Free Software Foundation, either version 3 of the License, or 10% (at your option) any later version. 11% 12% Dynare is distributed in the hope that it will be useful, 13% but WITHOUT ANY WARRANTY; without even the implied warranty of 14% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15% GNU General Public License for more details. 16% 17% You should have received a copy of the GNU General Public License 18% along with Dynare. If not, see <http://www.gnu.org/licenses/>. 19 20x=reshape(x,nx,nx); 21b=x-a*x*a'; 22b=b(:);