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对“信息熵”的理解 #68

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winterpi opened this issue Mar 2, 2024 · 0 comments
Open

对“信息熵”的理解 #68

winterpi opened this issue Mar 2, 2024 · 0 comments

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@winterpi
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winterpi commented Mar 2, 2024

熵的基本解释

    很早以前就听过信息熵的概念,但一直没搞清楚它具体指什么,也不太确定到底是熵值是高了好,还是低了才好。

  • 信息熵:熵的物理意义是体系混乱程度的度量,所以信息熵可以用来评价一个系统的稳定性;
  • 熵值的高低:系统越是稳定有序,信息熵就越低;反之,一个系统越是混乱,信息熵就越高;

对熵值高低的期望:

  • 从系统稳定性的角度来说,自然期望信息熵越低越好;
  • 但从信息传递的角度来说,信息熵越低,传递的信息越是无用(或者说没有任何“八卦”的意义,或者没有任何“让人惊讶”的感觉)
  • 从个人期望来说,需要去挖掘那些“熵值较高的情报“;

在生活中,还是尽量保持”熵值低些“

     突然联想到前些天写的情绪的稳定性,对于个人来说,情绪越稳定,传递的信息熵越低,基盘也就越稳定,越能给人一种“靠谱”的感觉。

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