metric function
英 [ˈmetrɪk ˈfʌŋkʃn]
美 [ˈmetrɪk ˈfʌŋkʃn]
网络 度量函数
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
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。 - 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。 - 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 - 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。 - Timing metric function of improved algorithm has the sharp peak that can accurately define the location of timing synchronization.
改进算法的定时度量函数具有尖锐相关峰值，能够准确的确定定时同步位置。 - In this paper, we mainly study the equicontinuous and scattering properties of the continuous semi-flow on a compact metric space, and get the results as follows:( 1) the complexity function defined by spanning set is bounded if and only if the system is equicontinuous;
本文主要研究了紧致度量空间上连续半流的等度连续性及扩散性的特征。证明了如下结论：（1）用生成集定义的复杂性函数的有界性与其等度连续性是等价的； - 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 - 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。 - In metric space, by means of discussing boundedness of a function on a neighborhood of accumulation points of a sequential compact set S, give a way of judging boundedness of a function on the whole set S.
在度量空间中，通过对函数在一个列紧集S的聚点附近的有界性讨论，给出了函数在整个点集S上有界性的判定方法。 - 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。