Add a useful package (from Source forge) for octave

[CreaPhase.git] / octave_packages / secs2d-0.0.8 / Utilities / Udopdepmob.m

diff --git a/octave_packages/secs2d-0.0.8/Utilities/Udopdepmob.m b/octave_packages/secs2d-0.0.8/Utilities/Udopdepmob.m
new file mode 100644 (file)
index 0000000..f44651c
--- /dev/null
+++ b/octave_packages/secs2d-0.0.8/Utilities/Udopdepmob.m
@@ -0,0 +1,30 @@
+function mob=Udopdepmob (mesh,mu,par,D);
+
+% Udopdepmob (mu,par,D);
+
+% This file is part of 
+%
+%            SECS2D - A 2-D Drift--Diffusion Semiconductor Device Simulator
+%         -------------------------------------------------------------------
+%            Copyright (C) 2004-2006  Carlo de Falco
+%
+%
+%
+%  SECS2D 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.
+%
+%  SECS2D 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 SECS2D; If not, see <http://www.gnu.org/licenses/>.
+
+NI  = sum(D(mesh.t(1:3,:)),1)'/3;
+mob =   par(1)*exp(-par(4)./NI) +...
+    (mu-par(2))./(1+(NI/par(5)).^par(7)) -...
+    par(3)./(1+(par(6)./NI).^par(8));
+