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Sourcecode: octave-econometrics version File versions  Download package

nls_obj_nodes.m

# Copyright (C) 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/>.

# This is for internal use by nls_estimate


function contrib = nls_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

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