[eb5224]: inst / nls_obj_nodes.m  Maximize  Restore  History

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## 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 3 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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