Adds factor to the factor graph.
Returns factor node.
Returns all factor nodes in a factor graph.
Returns all nodes (factors and variables) in a graph.
Returns variable node.
Returns the list of variables in a factor graph.
Merges this and that factor graphs, putting all factors, variables and factor gates from both factor graphs into the new factor graph.
Represents joined probability distribution as a factor graph. http://en.wikipedia.org/wiki/Factor_graph