【摘要】 对层次分析法中在单一准则下引入一个新方案时原有方案的保序性问题作了分析讨论并且给出了一个强保序的充分必要条件和弱保序的充分条件,这将有助于提高判断的正确性,避免因新方案的增加而导致决策的失误。更多还原

【Abstract】 This paper discusses and analyzes the rank preservation for adding a new element under a criterion. A necessary and sufficient condition for strong rank preservation and a sufficient condition for weak rank preservation are given. The conclusion is helpful to the making of correct judgement and avoiding false decision when a new element is added.更多还原