Description Usage Arguments Details Value
takes an adjacency matrix and generates the incidencematrix
1 | adj_to_inc(adj)
|
adj |
an adjacency matrix |
the incidence matrix E
has entry e_{ij}
equal to
1
if an edge starts in node i
and finishes in j
-1
if an edge ends in node i
and finishes in j
0
if nodes i
and j
are not connected
an incidence matrix
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