--- /dev/null
+function n = DDGphin2n (V,phin);
+
+% n = DDGphin2n (V,phin);
+% computes the electron density using Maxwell-Boltzmann
+% statistics.
+
+
+## This file is part of
+##
+## SECS1D - A 1-D Drift--Diffusion Semiconductor Device Simulator
+## -------------------------------------------------------------------
+## Copyright (C) 2004-2007 Carlo de Falco
+##
+##
+##
+## SECS1D 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.
+##
+## SECS1D 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 SECS1D; If not, see <http://www.gnu.org/licenses/>.
+
+
+ nmin = 0;
+ n = exp ((V-phin));
+ n = n .* (n>nmin) + nmin * (n<=nmin);
+
+ % Last Revision:
+ % $Author: adb014 $
+ % $Date: 2008-02-04 16:26:27 +0100 (man, 04 feb 2008) $