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Results tagged with matrices
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user 90343
Questions where the notion matrix has an important or crucial role (for the latter, note the tag matrix-theory for potential use). Matrices appear in various parts of mathematics, and this tag is typically combined with other tags to make the general subject clear, such as an appropriate top-level tag ra.rings-and-algebras, co.combinatorics, etc. and other tags that might be applicable. There are also several more specialized tags concerning matrices.
1
vote
What's the full assumption for Laplacian matrix $L=BB^T=\Delta-A$?
Here is one most closest to the expectation
Definition 2.5. Given a directed or undirected graph $G= (V,E)$, with $V=\{v_1,\cdots,v_m\}$,the adjacency matrix $A(G)$ of $G$ is the symmetric $m\times m …
- 211
4
votes
2
answers
1k
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What's the full assumption for Laplacian matrix $L=BB^T=\Delta-A$?
Graph with no-selfloop, no-multi-edges, unweighted.
directed
For directed graph Adjacency matrix is a non-symmetric matrix $A_{in}$ considering indegree or $A_{out}$ considering outdegree. Degree matr …
- 211