Two inequalities for the Hadamard product of matrices
Department of Mathematics, Dezhou University, Dezhou, 253023 Shandong, China
Journal of Inequalities and Applications 2012, 2012:122 doi:10.1186/1029-242X-2012-122Published: 30 May 2012
Using a estimate on the Perron root of the nonnegative matrix in terms of paths in the associated directed graph, two new upper bounds for the Hadamard product of matrices are proposed. These bounds improve some existing results and this is shown by numerical examples.
MSC 2010: 15A42; 15B34