% Hessian of the measurement model function in UNGM-model.% Copyright (C) 2007 Jouni Hartikainen%% This software is distributed under the GNU General Public % Licence (version 2 or later); please refer to the file % Licence.txt, included with the software, for details.function d = ungm_d2h_dx2(x,param)    d = zeros(1,1,1);    d(1,1,1) = 1/10;