V2EX high-dimensional

High-dimensional

释义 Definition

高维的;高维空间中的:指具有很多个变量/特征/维度的数据、空间或问题(常见于数学、统计学、机器学习、物理等语境)。也可泛指“维度很多、结构复杂”的事物。

发音 Pronunciation (IPA)

/ha dmnnl/

例句 Examples

High-dimensional data can be hard to visualize.
高维数据往往很难可视化。

In high-dimensional spaces, distances can become less informative, so algorithms may need dimensionality reduction.
在高维空间中,距离的区分度可能下降,因此算法往往需要进行降维处理。

词源 Etymology

high(高的)+ dimensional(维度的)构成。dimension 源自拉丁语 dimensio(“测量、尺度”),与“量度、尺度”相关;在现代科学语境中,“维度”常用来表示变量数、坐标轴数量或特征数量,因此 high-dimensional 就表示“维度很多的”。

相关词 Related Words

文学与经典著作中的用例 Literary Works

  • The Elements of Statistical Learning(Hastie, Tibshirani, Friedman)讨论高维统计与机器学习方法时频繁使用该词。
  • Pattern Recognition and Machine Learning(Christopher M. Bishop)在高维特征空间、核方法等章节中常见。
  • High-Dimensional Statistics: A Non-Asymptotic Viewpoint(Martin J. Wainwright)书名与核心内容直接围绕“高维”。
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