V2EX attractor

Attractor

释义 Definition

Attractor:在动力系统或复杂系统中,表示系统状态随时间演化后会趋近并长期停留的“吸引集合/吸引子”(如一个点、闭合轨道、或更复杂的分形结构)。在更一般的语境中也可指“吸引源/吸引因素”(较少见,常用 attractiondraw)。

发音 Pronunciation (IPA)

/trk.t/

例句 Examples

A pendulum with friction eventually settles into a stable attractor.
有摩擦的摆最终会收敛到一个稳定的吸引子。

In nonlinear dynamics, a strange attractor can generate chaotic behavior that still follows an underlying pattern.
在非线性动力学中,奇异吸引子可以产生混沌行为,但这种混沌仍遵循某种潜在结构。

词源 Etymology

attractor 来自拉丁语词根 trahere(“拉、拖”),经由英语 attract(吸引)发展而来;后缀 -or 表示“执行某动作的人或事物”。在科学语境中,“吸引子”强调系统轨迹被“拉向”某种长期稳定的状态或集合。

相关词 Related Words

文学作品 Literary Works

attractor 更常见于科普与学术写作,但也出现在一些面向大众的科学著作中,例如:

  • James Gleick, Chaos: Making a New Science(《混沌:开创新科学》)
  • Steven H. Strogatz, Nonlinear Dynamics and Chaos(《非线性动力学与混沌》)
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