Add a useful package (from Source forge) for octave

[CreaPhase.git] / octave_packages / secs1d-0.0.8 / Utilities / Umediaarmonica.m

diff --git a/octave_packages/secs1d-0.0.8/Utilities/Umediaarmonica.m b/octave_packages/secs1d-0.0.8/Utilities/Umediaarmonica.m
new file mode 100644 (file)
index 0000000..376114f
--- /dev/null
+++ b/octave_packages/secs1d-0.0.8/Utilities/Umediaarmonica.m
@@ -0,0 +1,35 @@
+function m = Umediaarmonica(w);
+  
+% m = mediaarmonica(w,x);
+% returns the harmonic mean value of w in each of the intervals x_i , x_i+1
+%
+  
+  ## 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/>.     
+    
+  dw      = (1./w(1:end-1))+(1./w(2:end));
+     m            = 2 ./ dw; 
+     
+     
+     % Last Revision:
+     % $Author: adb014 $
+     % $Date: 2008-02-04 16:26:27 +0100 (man, 04 feb 2008) $
+