Add a useful package (from Source forge) for octave

[CreaPhase.git] / octave_packages / econometrics-1.0.8 / mle_obj_nodes.m

diff --git a/octave_packages/econometrics-1.0.8/mle_obj_nodes.m b/octave_packages/econometrics-1.0.8/mle_obj_nodes.m
new file mode 100644 (file)
index 0000000..ac6bf0f
--- /dev/null
+++ b/octave_packages/econometrics-1.0.8/mle_obj_nodes.m
@@ -0,0 +1,33 @@
+## Copyright (C) 2003,2004,2005  Michael Creel <michael.creel@uab.es>
+##
+## This program 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.
+## 
+## This program 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 this program; If not, see <http://www.gnu.org/licenses/>.
+
+function contrib = mle_obj_nodes(theta, data, model, modelargs, nn)
+       global NEWORLD NSLAVES
+       
+       # Who am I?
+       [info, rank] = MPI_Comm_rank(NEWORLD); 
+       if rank == 0 # Do this if I'm master
+               startblock = NSLAVES*nn + 1;
+               endblock = rows(data);
+       else    # this is for the slaves
+               startblock = rank*nn-nn+1;
+               endblock = rank*nn;
+       endif   
+
+       data = data(startblock:endblock,:);
+       contrib = feval(model, theta, data, modelargs);
+       contrib = sum(contrib);
+
+endfunction