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
- 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 order to enhance the robustness of the clustering algorithm, fitness function is devised by Gaussian kernel metric replacing the Euclidean distance. The robustness of the clustering algorithm is analyzed using the influence function of M-estimator.
为了增强聚类算法的鲁棒性,采用高斯核距离替换欧氏距离设计适应度函数,利用M-估计的影响函数分析了聚类算法的鲁棒性。 - 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。 - 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 - 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 - 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 - 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; - 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。 - 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。 - 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。