This paper analyzes the problem of chain debts by means of graphs and network, establishes the mathematical programming modeling of chain debts and gives some corresponding methods to solve it.
用图论和网络观点对“三角债”问题进行了分析，建立了“三角债”问题数学规划模型并给出相应的解法。
Their mathematical modeling are needful, since they are not only indispensable for CNC machining and programming, but also imperative for investigating and improving the drill point performance.
但是，需要建立它们的数学模型。 这不仅是CNC加工和编程的前提，也是分析研究和提高钻尖性能的依据。
Based on genetic programming (GP) theory, the mathematical modeling method of dam deformation monitoring is researched.
研究了基于遗传规划(gp)理论的大坝变形监测数学模型的建模方法。
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