diff options
Diffstat (limited to 'sourcecodes/bnt-master/BNT/inference/dynamic/@pearl_dbn_inf_engine/private')
4 files changed, 32 insertions, 0 deletions
diff --git a/sourcecodes/bnt-master/BNT/inference/dynamic/@pearl_dbn_inf_engine/private/CVS/Entries b/sourcecodes/bnt-master/BNT/inference/dynamic/@pearl_dbn_inf_engine/private/CVS/Entries new file mode 100644 index 00000000..e35b6662 --- /dev/null +++ b/sourcecodes/bnt-master/BNT/inference/dynamic/@pearl_dbn_inf_engine/private/CVS/Entries @@ -0,0 +1,2 @@ +/init_pearl_dbn_ev_msgs.m/1.1.1.1/Wed May 29 15:59:56 2002// +D diff --git a/sourcecodes/bnt-master/BNT/inference/dynamic/@pearl_dbn_inf_engine/private/CVS/Repository b/sourcecodes/bnt-master/BNT/inference/dynamic/@pearl_dbn_inf_engine/private/CVS/Repository new file mode 100644 index 00000000..2cb0fa7a --- /dev/null +++ b/sourcecodes/bnt-master/BNT/inference/dynamic/@pearl_dbn_inf_engine/private/CVS/Repository @@ -0,0 +1 @@ +FullBNT/BNT/inference/dynamic/@pearl_dbn_inf_engine/private diff --git a/sourcecodes/bnt-master/BNT/inference/dynamic/@pearl_dbn_inf_engine/private/CVS/Root b/sourcecodes/bnt-master/BNT/inference/dynamic/@pearl_dbn_inf_engine/private/CVS/Root new file mode 100644 index 00000000..f3bd14a6 --- /dev/null +++ b/sourcecodes/bnt-master/BNT/inference/dynamic/@pearl_dbn_inf_engine/private/CVS/Root @@ -0,0 +1 @@ +:ext:nsaunier@bnt.cvs.sourceforge.net:/cvsroot/bnt diff --git a/sourcecodes/bnt-master/BNT/inference/dynamic/@pearl_dbn_inf_engine/private/init_pearl_dbn_ev_msgs.m b/sourcecodes/bnt-master/BNT/inference/dynamic/@pearl_dbn_inf_engine/private/init_pearl_dbn_ev_msgs.m new file mode 100644 index 00000000..893af2ae --- /dev/null +++ b/sourcecodes/bnt-master/BNT/inference/dynamic/@pearl_dbn_inf_engine/private/init_pearl_dbn_ev_msgs.m @@ -0,0 +1,28 @@ +function msg = init_pearl_dbn_ev_msgs(bnet, evidence, engine) + +[ss T] = size(evidence); +pot_type = 'd'; + +% each hidden node absorbs lambda from its observed child (if any) +for t=1:T + for i=hnodes + c = engine.obschild(i); + if c > 0 + if t==1 + fam = family(bnet.dag, c); + e = bnet.equiv_class(c, 1); + CPDpot = CPD_to_pot(pot_type, bnet.CPD{e}, fam, bnet.node_sizes(:), bnet.cnodes(:), evidence(:,1)); + else + fam = family(bnet.dag, c, 2); % within 2 slice network + e = bnet.equiv_class(c, 2); + CPDpot = CPD_to_pot(pot_type, bnet.CPD{e}, fam, bnet.node_sizes(:), bnet.cnodes(:), evidence(:,t-1:t)); + end + temp = pot_to_marginal(CPDpot); + n = i + (t-1)*ss; + lam_msg = normalise(temp.T); + j = engine.child_index{n}(c+(t-1)*ss); + assert(j==1); + msg{n}.lambda_from_child{j} = lam_msg; + end + end +end |