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
- The variable metric method for the weakly generalized Lagrange function of nonlinear programming
非线性规划弱增广Lagrange函数变度量法 - 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。 - 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。 - 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； - 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。 - 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 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。 - 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。 - 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； - 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。