view toolboxes/FullBNT-1.0.7/bnt/general/do_intervention.m @ 0:e9a9cd732c1e tip

first hg version after svn
author wolffd
date Tue, 10 Feb 2015 15:05:51 +0000
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function bnet = mutilate_bnet(bnet, nodes, vals)
% MUTILATE_BNET Clamp nodes to specific values (perform a surgical intervention)
% bnet = mutilate_bnet(bnet, nodes, vals)
%
% We make all the clamped nodes roots.

ns = bnet.node_sizes;
for i=1:length(nodes)
  X = nodes(i);
  x = vals(i);
  bnet.dag(:,X) = 0;
  bnet.CPD{X} = root_CPD(bnet, X, x);
end