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

• 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。
• 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。
• 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 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。
• 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。
• This paper made a metric model of China life insurance demands function and imputed the income elasticity of China life insurance demands on the basis of the principles of life insurance and methodology of econometrics.
  本文运用保险学原理和计量经济学分析方法，建立了我国寿险需求函数的计量模型，并估算了我国寿险需求的收入弹性。
• The paper introduces the CAD method to solve the metric and position problem in the graphic solution. The accurate result will be obtained by constructing the geometrical element model with the aid of the design function of the AutoCAD drafting software.
  采用计算机辅助设计方法可以求解图解法中的度量、定位问题，通过建立空间几何元素的精确几何模型，利用AutoCAD软件的辅助设计功能得到空间几何问题的精确结果。
• Moreover, the metric theory includes control and feedback of system to expatiate the state and function. Therefore, it is a comparatively integrated metric theory of management demarcation.
  此外，还将管理系统与管理度系统的控制及反馈作用纳入到度量研究的内容中，描述了系统的状态及运作原理，形成了一套较为完整的管理度度量理论。
• 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。
• A modified constrained variable metric algorithm using l_1-penalty function as merit function
  用L1－罚函数作线性搜索函数的一种修正约束变尺度算法