A mathematics model which deals with 54 variables and 43 constraint conditions is proposed to optimize the product structure by using linear programming theory.
本文运用线性规划理论，建立了一个包括54个变量(产品)，43个约束条件产品结构优化数学模型。
This paper defines the concept of general dynamic programming model and probes into the theory of general dynamic programming model.
文中给出了一般动态规划模型的概念，并对模型理论做了相应探讨。
The construction of model is based on objective programming-theory.
模型的构造是基于目标规划理论。
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