The incidence matrix of a directed graph G = (V, E) with no self-loops is a |V|

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The incidence matrix of a directed graph G = (V, E) with no self-loops is a |V| Ã— |E| matrix B = (bij) such that

-1 if edge j leaves vertex i if edge j enters vertex i , bij otherwise.


Describe what the entries of the matrix product BBT represent, where BT is the transpose of B.

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Introduction to Algorithms

ISBN: 978-0262033848

3rd edition

Authors: Thomas H. Cormen, Charles E. Leiserson, Ronald L. Rivest

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