简单图的 Randić 矩阵 
是一个 加权邻接矩阵，其权重为
 |
(1)
|
其中 
是图的顶点度。换句话说，
![[A_(Randic)]_(ij)={1/(sqrt(d_id_j)) for i,j adjacent; 0 otherwise](/images/equations/RandicMatrix/NumberedEquation2.svg) |
(2)
|
(Zheng et al. 2022)。
Randić 矩阵的最大特征值对于空图为 0，否则为 1，这意味着其谱半径是微不足道的。Randić 矩阵的矩阵元素之和的一半是 Randić 指数，其特征值的绝对值之和是 Randić 能量。
Randić 矩阵
另请参阅
Randić 能量, Randić 指数, Randić 谱半径, 加权邻接矩阵使用 探索
参考文献
Bozkurt, S. B. and Guüngör, A. D. "Randić Matrix and Randić Energy." MATCH Commun. Math. Comput. Chem. 64, 239-250, 2010.Bozkurt, S. B.; Guüngör, A. D.; and Gutman, I. "Randić Spectral Radius and Randić Energy." MATCH Commun. Math. Comput. Chem. 64, 321-334, 2010.Randić, M. "On Characterization of Molecular Branching." J. Amer. Chem. Soc. 97, 6609-6615, 1975.Rodríguez, J. A. "A Spectral Approach to the Randić Index." Linear Algebra Appl. 400, 339-344, 2005.Rodríguez, J. A. and Sigarreta, J. M. "On the Randić Index and Conditional Parameters of a Graph." MATCH Commun. Math. Comput. Chem. 54, 403-416, 2005.Zheng, R.; Su, P.; and Jin. S. "Arithmetic-Geometric Matrix of Graphs and Its Applications." Appl. Math. Comput. 42, 127764, 1-11, 2023.请引用为
Weisstein, Eric W. “Randić 矩阵。” 来自 Web 资源。https://mathworld.net.cn/RandicMatrix.html