(Solved): 20.17 The incidence matrix of a directed graph G=(V,E) with no self-loops is a VE ...
20.1?7 The incidence matrix of a directed graph G=(V,E) with no self-loops is a ?V?×?E? matrix B=(bij?) such that bij?=?????110? if edge j leaves vertex i, if edge j enters vertex i otherwise. ? Describe what the entries of the matrix product BBT represent, where BT is the transpose of B.
