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What is an adjacency matrix in graph theory?
in Data Science & Statistics by Platinum (141,884 points) | 223 views

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We can represent a directed graph \(\mathcal{G}=(V, \mathcal{E})\) over \(d\) nodes with a binary \(d \times d\) matrix \(A\) (taking values 0 or 1 ):
\[
A_{i, j}=1 \quad \Leftrightarrow \quad(i, j) \in \mathcal{E} .
\]
\(A\) is called the adjacency matrix of \(\mathcal{G}\).
by Platinum (141,884 points)

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