查询词典 function of function

The paper studies the form of the result of SVM with covariance function as the kernel function under some conditions, and draws the conclusion that Kriging is equivalent to SVM under those conditions. Based on the conclusion, we put forward the idea of using the covariance function as a substitute for the RBF kernel function of SVM.

摘要研究了支持向量机(support vector machine，SVM)方法在一定假设条件下，核函数取为样本协方差函数时解的具体形式，得出了在该假设情况下SVM方法等价于克立格方法的结论，提出了用协方差函数作为SVM核函数的思想。

The characteristic function of the probability density function of response variable is obtained by the high efficient multidimensional numerical integration method or convolution integral based on response surface method. Then the discrete probability density function of response variable is calculated using the fast Fourier inverse transform technique, at last the cumulative distribution function of the response variable can be quantitatively determined.

首先利用高效多维数值积分方法或基于响应面法的卷积积分求解功能函数的分布函数的特征函数，也就是进行Fourier正变换；然后利用快速Fourier逆变换数值求解功能函数的概率密度函数，进而求得失效概率。

Choosing reliability simulation data as a sample, the parameter confidence interval as coding space and the reciprocal of errors between empirical distribution function and acquired distribution function as a fitness function, the point estimation model of age distribution is established based on the genetic algorithm, and the reliability function of complex systems is acquired.

以可靠性仿真数据为寿命样本，待估计参数的置信区间为编码空间，以经验分布与所求分布误差倒数为适应度函数，建立了基于遗传算法的寿命分布参数点估计模型，求得了复杂系统可靠度函数。

This article analysis such a function through the point of explicit and implicit function, individual function and group function of the sport.

本文从体育的外显功能与内隐功能、个体功能与群体功能的视角，探讨其价值。

Secondly, on the basis of its multi-dimensional functions, which are synthesizing function, monitoring function, reflecting function, orientating function, and other analogical functions, the integrated mode guarantees that the quality of online courses is controllable, fathomable, and comparable.

通过对广播电视大学开放教育网络课程设计与实施的理论与实践模式的反思，界定远程开放教育"网络课程整合教学模式"的基本理论概念和操作步骤，为中国远程教育走国际化的发展道路提供网络课程改革的理论依据和实践模式。

It is shown that the form of average intensity is not a Gaussian function but a polynomial of the power of the binomial function, Gaussian function, and the incomplete gamma function.

结果同时表明，斜程湍流大气传输的有限光束光强不仅是发射光束半径、传输距离和球面波长期平均相干长度的函数，同时也是发射孔半径的函数。

In this paper employing periodic function of complex function, a power function and a logarithmic function were constructed to obtain Principle Quantum Number , Angular Quantum Number , Magnetic Quantum Number , Spin Quantum Number and the relations between them.

利用复变函数中周期函数结构，构造了一个幂函数和一个对数函数。给出了电子的主量子数、角量子数、磁量子数和自旋量子数，以及它们之间的关系。

For the joint density function of 2-D continuous random variables, a new function can be obtained by upper limit-variable integral, and then, by normalization of the new function according to the property of density functions, a general marginal density function was constructed.

对二维连续型随机变量的联合密度函数，在一定要求下变上限积分得到新函数，依据密度函数性质进行规范化，从而构造出一个广义的边缘密度函数。

This paper makes a comparative analysis on the function of six cross-database search systems such as SearchLight, NLM Gateway, ISI CrossSearch, CALIS, CSDL and CNKI at home and abroad. In aspects of resources navigation, search function, search results display, content sensitive links, personalized service, special function, as well as other functions, the author puts forward some suggestions on the perfection of cross-database search system function.

选取国内外较有代表性的6个跨库检索系统：SearchLight、NLM Gateway、ISI CrossSearch、CALIS的统一检索平台、CSDL的集成检索系统、CNKI的跨库检索系统，从资源导航功能、检索功能、检索结果显示功能、内容敏感链接功能、个性化服务功能、特色功能、其他辅助功能7个方面对其进行比较分析，提出完善跨库检索系统功能的几点建议。

According to poisson distribution and percolation theory, we construct stock price model, and use characteristic function to prove the convergence of this model, we can get that the characteristic function of the constructed model converge on the characteristic function of the Black-Scholes function.

根据泊松分布和渗流理论构造了股票价格的随机模型，并利用特征函数的性质论证了该模型的收敛性，得出所构造的股票价格随机模型的特征函数收敛到某一个Black-Scholes公式的特征函数的结论。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。