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# incidence matrix with respect to an orientation

Let $G$ be a finite graph with $n$ vertices, $\{v_{1},\ldots,v_{n}\}$
and $m$ edges, $\{e_{1},\ldots,e_{m}\}$.
For each edge $e=(v_{i},v_{j})$ of $G$ choose one vertex
to be the positive end and the other to be the negative end. In this way,
we assign an *orientation ^{}* to $G$. The

*incidence matrix*of $G$ with respect an orientation is an $n\times m$ matrix $D=(d_{{ij}})$ where

$v_{i}$ |

Defines:

orientation

Type of Math Object:

Definition

Major Section:

Reference

## Mathematics Subject Classification

05C50*no label found*

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