V2EX memoryless

Memoryless

释义 Definition

memoryless(形容词):无记忆的;不保留过去信息的。常用于数学、统计与计算机领域,表示“未来的行为/结果不依赖于过去的状态或经历”(如“无记忆性”)。日常语境中也可指“健忘的”,但更常见于技术用法。

发音 Pronunciation

/memrils/

例句 Examples

A memoryless process depends only on the current state.
无记忆过程只取决于当前状态。

Even after several delays, the system remains memoryless, so the probability of failure is unchanged by what happened earlier.
即使经历了多次延迟,这个系统仍然是无记忆的,因此故障概率不会因之前发生的事情而改变。

词源 Etymology

memory(记忆) + 后缀 -less(无、缺乏) 构成,字面意思是“没有记忆的”。在概率论中,“无记忆性”这一概念常用来描述某些分布(如指数分布)的性质:已等待的时间不会影响继续等待的分布。

相关词 Related Words

文学作品 Literary Works

该词更常见于学术论文、教材与技术写作中,而非传统文学经典;在偏“科普/技术散文”或涉及概率、排队论、通信与计算机系统的书籍中更容易出现。

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