metric function

英 [ˈmetrɪk ˈfʌŋkʃn]

美 [ˈmetrɪk ˈfʌŋkʃn]

网络  度量函数

网络

英英释义

noun

• a function of a topological space that gives, for any two points in the space, a value equal to the distance between them
  Synonym:metric

双语例句

• The Improvement of a Metric Function Form a Fixed Point to a C~ 2 Class Surface
  定点到C~2类曲面距离函数的改进
• The conception of the covering numbers and the packing numbers and the metric entropy on a metric space were introduced, and the conception of the random distance and the random covering numbers and the random entropy on a function space were introduced.
  介绍了一般度量空间中覆盖数、包容数与度量熵的概念以及函数空间中随机距离、随机覆盖数与随机熵的概念。
• By considering a general harmonic, metric function Γ, gravitational and scalar potentials are explicitly given.
  对于一般的谐和函数给出了度规函数Γ、引力势和标量势的明晰的形式。
• Therefore, the better adaptive margin metric ( named separation) and the fuzzy weighting technique were introduced for developing the new optimal objective function.
  为此，引入一个具有更好适应性的度量（称为分离度）和模糊加权技术构造新目标函数。
• This paper gives the metrizable conditions of 2-probabilistic metric space ( 2-PM space), its distance function and pseudo distance function, thus extends some conclusions of PM-space to 2-PM space.
  本文给出了2PM空间的可度量化条件及度量函数、伪度量函数，从而把PM空间上的有关结论推广到2PM空间上。
• By establishing object function, this paper uses an optimization method-the variable metric method, and accurately solves parameters of double exponential function of lightning current.
  通过建立目标函数，利用最优化方法&变度量法，较精确求出了雷电流双指数函数中的参数；
• In parallel genetic algorithm section, the dissertation designs a guided individual migration metric to avoid random migration between different sub-population and uses individual lifecycle function to control the whole population of parallel genetic algorithm.
  在并行遗传算法方面，文章分析了个体迁移矩阵和生命周期函数，避免了定向迁移的局部性和随机迁移的盲目性并控制了种群规模。
• The aim of this study is to derive a well-performed image color difference metric, which can accurately simulates the sensitivity function of human vision system, to determine the perceived color reproduction error of complex color images.
  所以，此研究的目的乃一希望植基于人眼视觉机制，推导出得以精确应用于跨媒体复杂影像与其复制品之间的色差评估模式。
• Economist and educational Economist began metric study on economic function of education after in Soviet published "Economic Meaning of National Education ( 1924)" in 1920's.
  到了20世纪20年代，苏联的斯特鲁米林发表《国民教育的经济意义》（1924）之后，经济学家和教育经济学家就开始对教育经济功能进行计量研究。
• Conventional statistical clustering methods usually base on greedy principle. The common Metric for evaluating a clustering algorithm is the likelihood function or perplexity of the corpus.
  传统的统计方法基于贪婪原则，常以语料的似然函数或困惑度（perplexity）作为评价标准。