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

• 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
• 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；
• 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。
• A simple formula of forming metric matrices is put forward. The simple variable matric algorithm produced from the formula is equivalent to the secant method and when the aim function is positive definite quadratic function, it is equivalent to BFGS.
  提出了构造尺度矩阵的一个简式公式，其对应的简式变尺度算法与正割法等价，当目标函数为正定二次函数时简式变尺度算法与BFGS方法等价。
• 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。
• The article applied the method of process-result model and established a metric system based on knowledge production function.
  将结构化的过程&结果方法引入公益类科研机构绩效评价，建立了基于知识生产函数的测度体系。
• 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。
• 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。
• A Research on Social Welfare Maximization and Resource Expenditure Minimization Considering the Money Metric Social Welfare Function
  考虑货币测度社会福利函数的社会福利最大化与资源消耗最小化问题研究