V2EX pairwise

Pairwise

定义 Definition

pairwise(形容词/副词):成对地;两两之间地;按“每一对”来考虑或比较的。常用于数学、统计、计算机科学等语境,如“对所有元素做两两比较/计算”。

发音 Pronunciation (IPA)

/prwaz/

词源 Etymology

pair(一对)+ -wise(表示“以……方式/方向”的后缀)构成,字面意思就是“以成对的方式”,引申为“两两地进行(比较、计算、关系判断)”。

例句 Examples

We compared the students pairwise.
我们把这些学生两两进行比较。

The algorithm checks pairwise distances between all points to find the closest pair efficiently.
该算法计算所有点之间的两两距离,以高效地找出最近的一对点。

相关词 Related Words

文学/著作中的用例 Literary & Notable Works

  • Introduction to Algorithms(Cormen, Leiserson, Rivest, Stein),常见于“两两比较/两两距离(pairwise comparisons/distances)”的讨论
  • The Elements of Statistical Learning(Hastie, Tibshirani, Friedman),用于描述“成对关系/两两评估(pairwise measures)”
  • The Art of Computer Programming(Donald E. Knuth),在组合与算法分析语境中出现“pairwise”类表述
  • Pattern Recognition and Machine Learning(Christopher M. Bishop),涉及“pairwise interactions/constraints(两两相互作用/约束)”
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