1 files changed, 29 insertions, 0 deletions
diff --git a/sourcecodes/bnt-master/BNT/inference/dynamic/@hmm_inf_engine/marginal_nodes.m b/sourcecodes/bnt-master/BNT/inference/dynamic/@hmm_inf_engine/marginal_nodes.m
new file mode 100644
index 00000000..0a2bec4f
--- /dev/null
+++ b/sourcecodes/bnt-master/BNT/inference/dynamic/@hmm_inf_engine/marginal_nodes.m
@@ -0,0 +1,29 @@
+function marginal = marginal_nodes(engine, nodes, t, add_ev)
+% MARGINAL_NODES Compute the marginal on the specified query nodes (hmm)
+% marginal = marginal_nodes(engine, nodes, t, add_ev)
+%
+% 'nodes' must be a single node.
+% t is the time slice.
+
+if nargin < 3, t = 1; end
+if nargin < 4, add_ev = 0; end
+
+assert(length(nodes)==1)
+ss = engine.slice_size;
+
+i = nodes(1);
+bigT = engine.one_slice_marginal(:,t);
+dom = i + (t-1)*ss;
+
+ns = engine.eff_node_sizes(:);
+bigdom = 1:ss;
+marginal.T = marg_table(bigT, bigdom + (t-1)*ss, ns(bigdom), dom, engine.maximize);
+
+marginal.domain = dom;
+marginal.mu = [];
+marginal.Sigma = [];
+
+if add_ev
+  marginal = add_ev_to_dmarginal(marginal, engine.evidence, engine.node_sizes);
+end    
+