diff toolboxes/FullBNT-1.0.7/bnt/potentials/mk_initial_pot.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/mk_initial_pot.m	Tue Feb 10 15:05:51 2015 +0000
@@ -0,0 +1,29 @@
+function pot = mk_initial_pot(pot_type, dom, ns, cnodes, onodes)
+% MK_INITIAL_POT A "initial" potential is one which has not had any evidence entered into it.
+% pot = mk_initial_pot(pot_type, domain, node_sizes, cnodes, onodes)
+%
+% pot_type is one of 'd', 'g', 'cg' or 'u'
+% domain is the set of nodes to be included in the potential.
+% node_sizes(i) is the size of node i.
+
+switch pot_type 
+ case 'd',
+  ns(onodes) = 1;
+  pot = dpot(dom, ns(dom));
+ case 'u',
+  ns(onodes) = 1;
+  pot = upot(dom, ns(dom));
+ case 'g',
+  ns(onodes) = 0;
+  pot = cpot(dom, ns(dom));
+ case 'cg',
+  dnodes = mysetdiff(1:length(ns), cnodes);
+  ddom = myintersect(dnodes, dom);
+  cdom = myintersect(cnodes, dom);
+  dobs = myintersect(dnodes, onodes);
+  cobs = myintersect(cnodes, onodes);
+  ns(dobs) = 1;
+  ns(cobs) = 0;
+  pot = cgpot(ddom, cdom, ns);
+end
+