前言从系统工程的角度看问题,企业经营管理的各项指标都集中地体现求解“最大流和最短路”问题。某些经济指标,如产品的项次合格率、产销率、市场覆盖率、工业净产值、利税总额等,都是越高越大越好,皆属求解“最大流”问题;而另一些经济指标,如产品 Foreword From the point of view of system engineering, all indicators of enterprise management and management are concentrated on solving the problem of “maximum current and shortest route”. Certain economic indicators, such as product line-up qualification rate, production and sales rate, market coverage rate, industrial net output value, total profits and taxes, etc., are as large as possible, all of which solve the problem of “maximum flow”; while other economies Indicators, such as products