Checking if 2 edges in a graph are connected

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Hari
Hari 2021년 5월 14일
편집: Stephan 2021년 5월 14일
I have plotted an undirected network using graph function in matlab. How can I check if 2 nodes in the network are connected by an edge? I have tried using the 'is Connected' function but I guess it is not for networks as it is showing an error 'Check for missing argument or incorrect argument' data type in call to function 'isConnected'. Any help is appreciated

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Stephan
Stephan 2021년 5월 14일
편집: Stephan 2021년 5월 14일
You could use the neighbors function, which gives a list of connected nodes for a given node. You could combine this with the ismember function to get a logical result it your both nodes are connected or not.
G = graph(bucky);
N = neighbors(G,10) % show neighbors of node 10
N = 3×1
6 9 12
check if 3 is a neighbor:
ismember(3, neighbors(G,10))
ans = logical
0
check if 12 is a neighbor:
ismember(12, neighbors(G,10))
ans = logical
1

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