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 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。 - 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。 - 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。 - 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 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。 - 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 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 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 - 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。 - 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。