diff toolboxes/FullBNT-1.0.7/bnt/potentials/@cgpot/pot_to_marginal.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/potentials/@cgpot/pot_to_marginal.m	Tue Feb 10 15:05:51 2015 +0000
@@ -0,0 +1,27 @@
+function m = pot_to_marginal(pot)
+% POT_TO_MARGINAL Convert a cgpot to a marginal structure.
+% m = pot_to_marginal(pot)
+
+pot = cg_can_to_mom(pot);
+m.domain = pot.domain;
+n = pot.csize;
+d = length(pot.mom);
+if n==0
+  m.mu = [];
+  m.Sigma = [];
+else
+  m.mu = zeros(n, d);
+  m.Sigma = zeros(n, n, d);
+end
+m.T = 0*myones(pot.dsizes);
+for i=1:pot.dsize
+  s = struct(pot.mom{i}); % violate privacy of object
+  if n > 0
+    m.mu(:,i) = s.mu;
+    m.Sigma(:,:,i) = s.Sigma;
+  end
+  m.T(i) = exp(s.logp);
+end     
+if isvectorBNT(m.T)
+  m.T = m.T(:)';
+end