?? marginal_family.m
字號:
function marginal = marginal_family(engine, b, i, t, add_ev)% MARGINAL_FAMILY Compute the marginal on the specified family (hmm_2TBN)% marginal = marginal_family(engine, b, i, t, add_ev)ns = engine.eff_node_sizes(:);ss = engine.slice_size;if t==1 % | ~engine.persist_bitv(i) bigT = b.gamma; ps = engine.parents{i}; dom = [ps i]; %id = engine.marg_fam1_ndx_id(i); bigdom = 1:ss; bigsz = ns(bigdom); bigdom = bigdom + (t-1)*ss;else % some parents are in previous slice bigT = b.xi; % (t-1,t) ps = engine.parents{i+ss}; dom = [ps i+ss] + (t-2)*ss; %id = engine.marg_fam2_ndx_id(i); bigdom = 1:(2*ss); % domain of xi(:,:,t) bigsz = ns(bigdom); bigdom = bigdom + (t-2)*ss;endmarginal.domain = dom;%ndx = get_ndx(id, engine.ndx_type);%marginal.T = marg_table_ndx(bigT, engine.maximize, ndx, engine.ndx_type);%global SD_NDX%ndx = SD_NDX{id};%marginal.T = marg_table_ndxSD(bigT, engine.maximize, ndx);marginal.T = marg_table(bigT, bigdom, bigsz, dom, engine.maximize); assert(~add_ev);
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