【摘要】 本文研究了严格对角占优矩阵的行列式估计问题,利用矩阵的逐次降阶法获得了严格对角占优矩阵的几个行列式估计式,并对特殊的严格对角占优矩阵的情形进行了加强.更多还原

【Abstract】 In this paper,we study the estimation of determinent on strictly diagonal-dominant matrix.Using the way of reducing order of matrix one by one,we obtain some estimation formulas of determinent on strictly diagonal-dominant matrix,and strengthen corresponding results for some special cases of such matrix.更多还原