diff toolboxes/FullBNT-1.0.7/bnt/CPDs/@discrete_CPD/convert_CPD_to_table_hidden_ps.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/CPDs/@discrete_CPD/convert_CPD_to_table_hidden_ps.m	Tue Feb 10 15:05:51 2015 +0000
@@ -0,0 +1,20 @@
+function T = convert_CPD_to_table_hidden_ps(CPD, child_obs)
+% CONVERT_CPD_TO_TABLE_HIDDEN_PS Convert a discrete CPD to a table
+% T = convert_CPD_to_table_hidden_ps(CPD, child_obs)
+%
+% This is like convert_to_table, except that we are guaranteed that
+% none of the parents have evidence on them.
+% child_obs may be an integer (1,2,...) or [].
+
+CPT = CPD_to_CPT(CPD);
+if isempty(child_obs)
+  T = CPT(:);
+else
+  sz = dom_sizes(CPD);
+  if length(sz)==1 % no parents
+    T = CPT(child_obs);
+  else
+    CPT = reshape(CPT, prod(sz(1:end-1)), sz(end));
+    T = CPT(:, child_obs);
+  end
+end