>>> g.edges()
[(1, 2), (1, 3)]
>>> for i in range(1,4):
... for j in range(1,4):
... print([p for p in nx.all_shortest_paths(g,i,j) if len(p)>2])
...
[]
[]
[]
[]
[]
[[2, 1, 3]]
[]
[[3, 1, 2]]
[]
>>> nx.betweenness_centrality(g)
{1: 1.0, 2: 0.0, 3: 0.0}
g = nx.Graph()
g.add_edge(1,2)
g.add_edge(1,3)
g.add_edge(2,3)
g.add_edge(1,4)
end = 5
for i in range(1,end):
for j in range(1,end):
#print 'from', i, 'to', j
print([p for p in nx.all_shortest_paths(g,i,j) if len(p)>2])
#print nx.dijkstra_path(g,i,j)
#print '=============='
print nx.betweenness_centrality(g)
plt.cla()
nx.draw(g)
[]
[]
[]
[]
[]
[]
[]
[[2, 1, 4]]
[]
[]
[]
[[3, 1, 4]]
[]
[[4, 1, 2]]
[[4, 1, 3]]
[]
>>> print nx.betweenness_centrality(g)
{1: 0.6666666666666666, 2: 0.0, 3: 0.0, 4: 0.0}
>>> plt.cla()
>>> nx.draw(g)
>>> nx.betweenness_centrality(g, normalized=None)
{1: 2.0, 2: 0.0, 3: 0.0, 4: 0.0}
>>> 2/3
0.6666666666666666