用常数阵实现对角优势的条件和算法

The Condition and the Algorithm for Achieving Diagonal Dominance with a Constant Compensator

本文严格证明了用常数预补偿阵实现对角优势的必要条件和充分条件,给出了简明而实用的判据,证明了本文所得之解是最优的,最后,给出了计算步骤和实例。

In this paper, the necessary and sufficient conditions to achieve diagonal dominance with a constant compensator are proved strictly, some brief and practical criteria arc presented. It is shown that the solution obtained in this paper is optimal. The algorithm and example arc also provided.