【摘要】 在丈献的基础上进一步给出了矩阵广义对角占优的某些充分条件,并得到了M矩阵和非奇异矩阵的若干判定准则,更多还原

【Abstract】 Based on literatures, some new necessary and sufficient conditions for identifying generallized diagonally dominant matrices (GDDM) are providedll and some criteria for judging M-matrices and nonsingular matrices are pbtained更多还原