clustering_coef_bu.m
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			function C=clustering_coef_bu(G)
			%CLUSTERING_COEF_BU Clustering coefficient
			%
			% C = clustering_coef_bu(A);
			%
			% The clustering coefficient is the fraction of triangles around a node
			% (equiv. the fraction of node's neighbors that are neighbors of each other).
			%
			% Input: A, binary undirected connection matrix
			%
			% Output: C, clustering coefficient vector
			%
			% Reference: Watts and Strogatz (1998) Nature 393:440-442.
			%
			%
			% Mika Rubinov, UNSW, 2007-2010

			n=length(G);
			C=zeros(n,1);

			for u=1:n
			V=find(G(u,:));
			k=length(V);
			if k>=2 %degree must be at least 2
			S=G(V,V);
			C(u)=sum(S(:))/(k^2-k);
			end
			end

ISFCClustering/2019_03_03_BCT/clustering_coef_bu.m3209cc2b0b1dmaster