V2EX perfect matching

Perfect Matching

释义 Definition

“完美匹配;完全匹配”。常见于图论与算法中,指在一个图的匹配(matching)里,每个顶点都恰好与一个其他顶点配对(没有任何顶点被落下)。在更一般的语境中,也可指“非常理想的配对/契合”(如人或事物之间)。

例句 Examples

A perfect matching pairs every student with a unique partner.
完美匹配会把每个学生都与一位且仅一位搭档配成对。

In a bipartite graph, a perfect matching exists only if every vertex can be matched without conflicts, which is central to many assignment problems.
在二分图中,只有当每个顶点都能在不冲突的情况下被匹配时才存在完美匹配,这对许多分配问题至关重要。

发音 Pronunciation (IPA)

/prfkt mt/

词源 Etymology

perfect 来自拉丁语 perfectus(意为“完成的、完整的”),matching 源自 match(“配对、相配”)。组合成 perfect matching,字面即“完整的配对”,在数学/计算机领域被固定用来指“覆盖全部顶点的匹配”。

相关词 Related Words

文学与著名作品 Literary Works

  • Introduction to Algorithms(Cormen, Leiserson, Rivest, Stein):在图算法与匹配相关章节中讨论匹配与相关问题。
  • Graph Theory(Reinhard Diestel):在匹配理论部分涉及完美匹配等概念。
  • Combinatorial Optimization: Polyhedra and Efficiency(Alexander Schrijver):在组合优化与匹配理论中系统使用并讨论该术语。
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