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Error in example of sum product #3
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I tried a fresh install with
and got the following output
Could you provide the output of |
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Dear Author,
I got this error after installing this package. Can you tell me what I need to do?
`TypeError Traceback (most recent call last)
in ()
39 # Perform sum-product algorithm on factor graph
40 # and request belief of variable node x4
---> 41 belief = inference.sum_product(fg, x4)
42
43 # Print belief of variables
~\Downloads\BitBucket\python\FGlib\fglib\inference.py in sum_product(graph, query_node)
61
62 # Sum-Product algorithm is equivalent to Belief Propagation
---> 63 return belief_propagation(graph, query_node)
64
65
~\Downloads\BitBucket\python\FGlib\fglib\inference.py in belief_propagation(graph, query_node)
49
50 # Return marginal distribution
---> 51 return query_node.belief()
52
53
~\Downloads\BitBucket\python\FGlib\fglib\nodes.py in belief(self, normalize)
132
133 # Pick first node
--> 134 n = next(iterator)
135
136 # Product over all incoming messages
TypeError: 'list' object is not an iterator`
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