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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 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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