V2EX mixed-integer programming

Mixed-Integer Programming

释义 Definition

混合整数规划(MIP):一种优化建模方法,在决策变量中既有必须取整数/0-1 的变量,也有可以取连续值的变量,并在给定约束下使目标函数(如成本最小、利润最大)达到最优。常见特例是 混合整数线性规划(MILP)。另有非线性情形(MINLP)。

发音 Pronunciation (IPA)

/mkst ntdr prorm/

例句 Examples

Mixed-integer programming can help schedule workers efficiently.
混合整数规划可以帮助更高效地安排员工排班。

We formulated the supply-chain design as a mixed-integer programming model with binary facility-open variables and continuous shipment flows to minimize total cost under capacity constraints.
我们将供应链设计表述为混合整数规划模型:用二元变量表示设施是否启用,用连续变量表示运输流量,并在产能约束下最小化总成本。

词源 Etymology

该术语由三部分构成:mixed(混合的) + integer(整数) + programming(规划/优化求解)。其中 programming 在运筹学语境中指“用数学模型进行最优化求解”,并非“写程序”。“混合”强调模型中同时存在整数变量与连续变量。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Integer and Combinatorial Optimization(Nemhauser & Wolsey)系统讨论整数规划与混合整数规划的理论与算法。
  • Model Building in Mathematical Programming(H. Paul Williams)以建模为主线,包含大量混合整数规划实例。
  • Practical Methods of Optimization(R. Fletcher)在优化方法的语境中涉及相关建模与求解思想。
  • The Traveling Salesman Problem: A Computational Study(Applegate et al.)与整数/混合整数建模及分支定界等方法密切相关。
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