V2EX nonincreasing

Nonincreasing

释义 Definition

nonincreasing(形容词):非递增的;不增加的。常用于数学、统计与算法语境,指一个序列或函数在自变量增大时,其值保持不变或变小(允许相等),即“单调不增”。(也可见作 non-increasing

发音 Pronunciation (IPA)

/nnnkris/(美式常见)
/nnnkris/(英式常见)

例句 Examples

The sequence is nonincreasing, so each term is less than or equal to the one before it.
这个序列是非递增的,所以每一项都小于或等于前一项。

To ensure stability, the algorithm enforces a nonincreasing loss function over time, even when the data are noisy.
为保证稳定性,该算法要求损失函数随时间非递增,即使数据存在噪声也是如此。

词源 Etymology

由前缀 **non-**(“不、非”)+ increasing(“增加的;递增的”)构成的复合词,字面意思就是“不是递增的”。这类构词在学术英语里很常见,用于精确表达“满足某性质的否定”。

相关词 Related Words

文学与著作 Literary & Notable Works

  • Introduction to Algorithms(Cormen, Leiserson, Rivest, Stein):在分析算法过程与序列性质时常用到“nonincreasing”这类描述性术语。
  • Convex Optimization(Boyd & Vandenberghe):在优化理论中讨论函数性质(如单调性、约束条件)时常出现“nonincreasing”。
  • The Elements of Statistical Learning(Hastie, Tibshirani, Friedman):在统计学习与模型训练讨论中会用到“nonincreasing”来描述误差、损失或正则项的变化趋势。
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