一种改进的逐步进行法

对线性多目标决策问题提出了与逐步进行法（ＳＴＥＭ）不同的交互方法。讨论了如何在每一步提供给决策者一个非劣解进行交互以及决策者对当前非劣解不满意时，可直接提出要求改进某个目标，这样的交互方式相当于每一步加上一个割平面。最后用算例说明了改进的逐步进行法的有效性。

A Modified STEP Method

his paper proposes an interactive procedure different from STEM for linear multiple objective decision making and discusses how to provide the decision maker with a noninferior solution at every step.When a decision maker is not satisfied with the presented noninferior solution,he can directly require modifying one objective,which,in fact,is adding one cutting plane to the constraint set.An example is given,which demonstrates the effectiveness of the method.