11 lines
289 B
Matlab
11 lines
289 B
Matlab
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% Count the number of self-loops in the graph
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%
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% INPUT: adjacency matrix, nxn
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% OUTPUT: integer, number of self-loops
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%
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% Note: in the adjacency matrix representation loops appear as non-zeros on the diagonal
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% GB: last updated, Sep 20 2012
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function sl=selfLoops(adj)
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sl=sum(diag(adj));
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