annotate toolboxes/FullBNT-1.0.7/bnt/inference/dynamic/@pearl_unrolled_dbn_inf_engine/marginal_nodes.m @ 0:e9a9cd732c1e
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first hg version after svn
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wolffd |
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Tue, 10 Feb 2015 15:05:51 +0000 |
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1 function marginal = marginal_nodes(engine, nodes, t, add_ev)
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2 % MARGINAL_NODES Compute the marginal on the specified query nodes (loopy_unrolled_dbn)
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3 % marginal = marginal_nodes(engine, nodes, t)
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4 %
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5 % 't' specifies the time slice of the earliest node in 'nodes'.
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6 % 'nodes' must occur in some clique.
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7 %
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8 % Example:
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9 % Consider a DBN with 2 nodes per slice.
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10 % Then t=2, nodes=[1 3] refers to node 1 in slice 2 and node 1 in slice 3,
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11 % i.e., nodes 3 and 5 in the unrolled network,
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12
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13 if nargin < 3, t = 1; end
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14 if nargin < 4, add_ev = 0; end
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15
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16 marginal = marginal_nodes(engine.unrolled_engine, nodes + (t-1)*engine.ss, add_ev);
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