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

• Then a single-parameter evaluation function is established by regulating the coding gain and unbalanced metric of space-frequency resolution. By maximizing the constructed function, the optimized biorthogonal wavelets for image compression can be obtained.
  通过编码增益和时频分辨率的均衡不确定度建立了单参量评价函数，对该函数取最大值可获得应用于图像压缩的最优双正交小波。
• In this paper we prove that a set of discontinuous points of a lower semi-Continuous function on a local Compact and countable metric space or a weak lower semi-continuous function on a reflexive Banach Space is a first Category.
  证明了局部紧且具有可数基的度量空间上的弱下半连续函数和自反的巴拿赫空间上的弱下半连续函数的间断点集合都是第一纲集。
• 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。
• This paper gives a new class of variable metric algorithm for nonlinear programing with equality and inequality constraint conditions, and proves that the algorithm in one-step superlinear convergence when the objective function and constraint functions are uniformly convex.
  对带有等式和不等式约束条件的非线性规划给出一类新的变尺度算法，并证明当目标函数和约束函数一致凸时，该算法是一步超线性收敛的。
• 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。
• 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。
• 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 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。
• 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