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；
• 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。
• 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。
• By considering a general harmonic, metric function Γ, gravitational and scalar potentials are explicitly given.
  对于一般的谐和函数给出了度规函数Γ、引力势和标量势的明晰的形式。
• 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。
• 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。
• 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。
• This paper gives the metrizable conditions of 2-probabilistic metric space ( 2-PM space), its distance function and pseudo distance function, thus extends some conclusions of PM-space to 2-PM space.
  本文给出了2PM空间的可度量化条件及度量函数、伪度量函数，从而把PM空间上的有关结论推广到2PM空间上。