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Finding Connected Component in the graph.

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Souarv De
Souarv De on 24 Apr 2021
Answered: Clayton Gotberg on 24 Apr 2021
I have following two questions.
(1) How to find number of connected components in a graph in MATLAB?
(2) How to find the numbers of nodes in the largest connected component in MATLAB?

Answers (1)

Clayton Gotberg
Clayton Gotberg on 24 Apr 2021
Have you looked at the functions available for graphs (see the 'Object Functions' section) in MATLAB? It appears that conncomp will do exactly what you're looking for.
G = graph(); % put your graph here
[bins,binsizes] = conncomp(G); % Find the connected components in G and find the number
% of nodes in each connected component
% binsizes = number of nodes in each connected component
% bins = vector explaining which bin each node goes into

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