V2EX stopping condition

Stopping Condition

Definition / 定义

“stopping condition”(停止条件):指在算法、循环、迭代或实验过程中,用来判断何时应当停止继续执行的规则或标准(例如达到误差阈值、迭代次数上限、满足收敛条件等)。

Pronunciation / 发音

/stp kndn/

Examples / 例句

The stopping condition is reaching 100 iterations.
停止条件是迭代达到 100 次。

In gradient descent, a common stopping condition is when the change in loss becomes smaller than a threshold.
在梯度下降中,一个常见的停止条件是损失函数的变化小于某个阈值。

Etymology / 词源

“stopping”来自动词 stop(停止)加 -ing 构成现在分词,表示“用于停止的/停止这一动作”;“condition”来自拉丁语 condicio(约定、条件),经由法语进入英语,表示“条件、情形”。组合起来即“用于决定何时停止的条件”。

Related Words / 相关词

Literary Works / 文学作品

  • The Art of Computer Programming(Donald E. Knuth):在算法分析与迭代过程讨论中常涉及停止条件/终止规则。
  • Introduction to Algorithms(Cormen, Leiserson, Rivest, Stein):在循环不变式、递归与算法终止性等内容中会出现相关表述。
  • Numerical Recipes(Press 等):在数值迭代法(如求根、最优化)章节中频繁讨论停止条件与收敛判据。
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