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
- 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 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 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。 - 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。 - 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 - 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 - 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。 - 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。 - 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。