KnowraDegree matrixLinked fromLinked fromThe 4 pages that link to Degree matrix, each with the reason it gives.All 4Related 3Compared with 1Adjacency matrixRelated: Its diagonal records the same vertex degrees that can be read from adjacency-matrix rows.Kirchhoff's theoremRelated: Subtracting the adjacency matrix from it gives the combinatorial Laplacian.Laplacian matrixRelated: Its diagonal supplies the vertex degrees used in the Laplacian.