V2EX asymptote

Asymptote

定义 Definition

asymptote(渐近线):在数学中,一条曲线不断接近但在有限范围内通常不会与之相交的直线(或另一条曲线)。常见于函数图像在趋近无穷远或某个特定值时的行为描述。(也可引申指“越来越接近却难以到达的界限/目标”,但较偏文学用法。)

发音 Pronunciation (IPA)

/smptot/

例句 Examples

The graph has a vertical asymptote at x = 0.
这条图像在 x = 0 处有一条垂直渐近线。

As the input grows, the function approaches its asymptote, revealing the system’s limiting behavior over time.
当输入不断增大时,函数逐渐逼近渐近线,展示出该系统随时间变化的极限行为。

词源 Etymology

源自希腊语 asymptotos,由 **a-**(不、非)+ **syn-**(一起)+ piptein(落下、相遇)构成,原意接近“不会相交/不会相遇”,用来描述两条线“无限接近却不相交”的关系,后来成为数学术语。

相关词 Related Words

文学作品 Literary Works

  • Herman Hesse《玻璃珠游戏》(The Glass Bead Game):作品涉及大量数学与抽象思想相关的语汇与意象,常出现关于“极限、趋近、抽象结构”等讨论语境中可见 asymptote/asymptotic 一类词的使用。
  • David Foster Wallace《无尽的玩笑》(Infinite Jest):在涉及数学/理论与比喻性表达的段落中,出现过以“无限逼近”的概念来构建叙述与隐喻的语境,读者常能在相关讨论中见到 asymptote 及其近义表达。
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