线性规划中的单纯形法，单纯形法是求解线性规划的最主要方法，程序首先确定初始可行解，如没有找到，则引入人工变量或松弛变量来求解-Of linear programming simplex method, simplex method for solving linear programming are the most important methods, procedures to determine first of all, the initial feasible solution, su

Material Requirement Planning is a dependent demand system that calculates materials requirements and production plans to satisfy known and forecast sales orders. It helps to make volume and timing calculations based on an idea of what will be necess