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 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 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 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。 - 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。 - 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。 - With the best polynomial approximation as a metric, the rate of approximation of the neural networks with single hidden layer to a continuous function is estimated by using a constructive approach.
以最佳多项式逼近为度量，用构造性方法估计单隐层神经网络逼近连续函数的速度。 - 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。 - 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； - 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。 - Timing metric function of improved algorithm has the sharp peak that can accurately define the location of timing synchronization.
改进算法的定时度量函数具有尖锐相关峰值，能够准确的确定定时同步位置。