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 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。 - Multiscale information fusion halftone method, mixed error measure function of the establishment of multiscale wavelet coefficients fusion to establish the boundary error measure function and improved K-means clustering method to establish the area error metric function.
在多尺度信息融合的半色调方法中，混合误差测度函数的建立是利用多尺度小波系数融合建立的边界误差测度函数和改进的K-means聚类法建立的区域误差测度函数。 - 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； - 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 - 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。 - 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。 - 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 - 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 - The model based normalized cross correlation coefficient is used as the metric function, and it can distinguish moving shadows from moving objects effectively. The method can also work well without real time background maintenance.
该方法以基于模板的归一化互相关系数作为度量函数，可以有效地检测出运动阴影和运动目标，而且不需要对背景进行实时维护。 - 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。