【作者单位】1. School of Mathematics, Taiyuan University of Technology, Jinzhong 030600, China 2. School of Mathematics and Statistics, Taiyuan Normal University, Jinzhong 030619, China 3. Institute of Mathematics and Computer Science, University of Sindh, Jamshoro, Pakistan
【摘要】 The matrix square root is widely encountered in many fields of mathematics. In this paper, based on the properties of M-matrix and quadratic matrix equations, we study the square root of M-matrix, and prove that for a regular M-matrix there always ex...