V2EX extrema

Extrema

释义 Definition

extremaextremum 的复数形式,常用于数学与科学语境,指“极值(最大值与最小值)”,包括局部极大/极小或全局极大/极小。

发音 Pronunciation

/kstrim/

例句 Examples

We need to find the extrema of the function.
我们需要找出这个函数的极值。

In optimization, identifying local extrema helps determine the best solution under given constraints.
在优化问题中,识别局部极值有助于在给定约束条件下确定最优解。

词源 Etymology

来自拉丁语 extremum,意为“最外端、最末端、最极端的事物”,源于 exter(“外部的”)。在数学中引申为“函数在某些点达到最大或最小的值”。

相关词 Related Words

文学与作品 Literary Works

  • Isaac Newton Philosophi Naturalis Principia Mathematica(在后世数学/物理讨论中常涉及“极值”思想与相关方法,英语学术语境中常用 extrema 表述极值点/极值)
  • G. H. Hardy A Course of Pure Mathematics(微积分与函数极值内容中常见 extrema 作为术语)
  • George B. Thomas Thomas’ Calculus(教材中用于讨论函数的局部/全局极大与极小,即 local/global extrema
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