V2EX random matrix

Random Matrix

定义 Definition

random matrix随机矩阵。指矩阵中的元素(数值)由随机过程生成,通常用来研究在不确定性下矩阵的统计性质(如特征值分布、谱性质等)。该术语常见于概率论、统计学、物理与数据科学中的随机矩阵理论

发音 Pronunciation (IPA)

/rndm metrks/

词源 Etymology

  • random 源自中古法语 randon(“冲动、随意的移动”),后来引申为“没有规律、随机的”。
  • matrix 源自拉丁语 mātrix(“母体、子宫”),在数学中借用为“产生/承载结构的容器”,后来固定为“矩阵”的术语含义。
    合起来 random matrix 即“元素由随机机制生成的矩阵”。

例句 Examples

In class, we studied a random matrix with entries of 0 or 1.
在课堂上,我们学习了一个元素为 0 或 1 的随机矩阵。

Random matrix theory is used to model complex systems and predict how eigenvalues are distributed.
随机矩阵理论常用于刻画复杂系统,并预测特征值的分布规律。

相关词 Related Words

文学与经典作品 Literary Works

  • M. L. Mehta, Random Matrices(经典专著,系统奠基随机矩阵理论的许多核心结果)
  • Terence Tao, Topics in Random Matrix Theory(面向现代研究的专题性著作)
  • F. J. Dyson, The Statistical Theory of Energy Levels of Complex Systems(系列论文,推动随机矩阵在物理中的应用与理论发展)
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