diff toolboxes/FullBNT-1.0.7/bnt/inference/static/@stab_cond_gauss_inf_engine/push.m @ 0:e9a9cd732c1e tip

first hg version after svn

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/toolboxes/FullBNT-1.0.7/bnt/inference/static/@stab_cond_gauss_inf_engine/push.m	Tue Feb 10 15:05:51 2015 +0000
@@ -0,0 +1,38 @@
+function [engine, clqtoroot] = push(engine, clq, pushdom)
+%PUSH_POT push the variables in putshdom which is subset of clq to the clique toword the root and get new engine
+%pushdom is pushed variables set
+%clq is the index of the clique that pushdom belongs to
+
+clqdom = engine.cliques{clq};
+assert( mysubset(pushdom, clqdom));
+clqtoroot = parents(engine.jtree, clq);
+%sepdom = engine.separator{clq, clqtoroot};
+sepdom = engine.separator{clqtoroot, clq};
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% Calculate the strong marginal of the union of pushdom and and the separatordomain and  %
+% the corresponding complement                                                           %
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%[margpot, comppot] = complement_pot(engine.clpot{clq}, pushdom);
+newsepdom = myunion(pushdom,sepdom);
+[margpot,comppot] = complement_pot(engine.clpot{clq}, newsepdom);
+engine.clpot{clqtoroot} = direct_combine_pots(engine.clpot{clqtoroot}, margpot);
+engine.clpot{clq} = comppot;
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% Calculation of the new separator and separatorpotential of the junction tree %
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+engine.seppot{clqtoroot, clq} = direct_combine_pots(engine.seppot{clqtoroot, clq}, margpot);
+engine.separator{clqtoroot, clq} = myunion(engine.separator{clqtoroot, clq}, pushdom);
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% Add pushdomain to the clique towards the root %
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 
+engine.cliques{clqtoroot} = myunion(engine.cliques{clqtoroot}, pushdom);
+
+num_cliques = length(engine.cliques);
+B = sparse(num_cliques, 1);
+for i=1:num_cliques
+  B(i, engine.cliques{i}) = 1;
+end
+engine.cliques_bitv = B;