函数
- 与 函数 相关的网络例句 [注:此内容来源于网络,仅供参考]
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Furthermore, buckling effect factors and their influence law are exploited. Finally, combining the character of piles foundation with high bridge piers with engineering practice, four optimal mathematic models are proposed and flow diagram of optimization analysis is fulfilled by the computer optimum program. A numerical example is analyzed to get optimal solution by using this program. Meanwhile based on the optimal model with buckling coefficient as the objective function, parameter variables are discussed about their effect rule toward the optimal value of objective function.
最后,针对高桥墩桩基础的特点,在基本优化模型的基础上,根据不同的目标函数建立了相应的优化模型,给出优化设计算法流程图,编制了相应的优化计算程序;并根据高桥墩桩基的工程实际设计了一个数值算例,采用本文编制的优化计算程序对该结构进行优化,得到了优化后的最优解;同时,采用高桥墩桩基屈曲系数作为目标函数的优化模型进行因素分析,初步探讨了参数变量对目标函数最优值的影响规律和程度。
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Summary In this paper, a brief history review of works on the theory of electromagnetic flowmeters is given. A method named'Alternative iteraction method for approaching real boundaries'is presented to solve Laplace's equation with mixed boundary conditions in electromagnetic flowmeters. The orthogonal expansion is used to analyze weight vectors and flow distribition effects on the sensitivity of the flowmeters.
本文在总结和分析了前人在电磁流量计变送器方面的理论研究成果后,首次提出了"交替迭代逼近边界"的方法求解电磁流量计理论研究中遇到的Laplace方程的混合边界条件问题;采用正交函数展开的方法研究权函数以及被测流体速度分布不规则对仪表输出的影响;采用保角变换的方法首次求解出电磁流量计偏心环域上的权函数。
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As a kind of orthogonal polynomials system,orthogonal spline function has many good properties such as orthogonality and locality.
作为一种正交多项式函数系,正交样条函数结合球面调和函数所定义的矩具有正交性等优良性质。
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By iteratively combining these two procedures we achieve a way of training the configuration of RBFNN. In addition, the algorithm is very robust with respect to the noise level. Simulation experiments show that the proposed algorithms are sound. In chapter 3, which is the extension of chapter 2, the improvements of the architectures of RBFNNs and the solutions of their relating problems are discussed, Firstly, an new distance metric is advanced and a forward orthogonal least square selection procedure is applied to learning the parameters of classification function and selecting the important input nodes.
首先分析了目前存在的同时确定RBFNN结构和参数的方法的缺陷,在此基础上提出了用基于拉马克的进化学说的进化编程算法来改进算法,以克服某些缺陷;然后针对受到严重噪声污染的系统,如何提高RBFNN的泛化能力的问题,利用基于AIC的适应度函数的改进遗传算法学习结构和参数;最后介绍基于MDL原理的方法,将优化网络的结构和参数分为两个阶段:训练和进化,先自适应地改变RBFNN基函数的中心和宽度,同时训练输出线性权值,再用基于MDL原理的适应度函数的标准GA来优化隐层节点,通过交替使用这两过程达到训练RBFNN的结构和参数的目的,该算法具有较强的鲁棒性。
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The NEF method is potential in developing new efficient tools for on-line security analysis and control. In study of the method of damping system low-frequency oscillations, this project has proposed the control strategy of oscillation energy function descent.
项目研究中还应用归一化暂态能量函数对电力系统振荡机理进行分析,设计了增加阻尼平抑电力系统振荡的方法,提出了振荡能量函数的概念,得出"振荡能量函数下降法"的控制策略。
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When dealing with functions you want to place them outside of the domready loop.
但在处里这些函数时,我们应该把这些函数放在domready函数外。
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The Paired Comparison and Constancy Graphical approaches for statistical analysis will be used for the psychological experiment.
因此,针对声源方向感受此一课题,以两反射音之模拟声场进行实验探讨,研究方法不仅以数理解析,并针对人们实验的心理感受进行调查分析,心理实验时采用配对比较法及恒常性图解法统计分析,试图藉由若干变因的控制进行量化,实验结果发现声源方向感度的变化,主要受制於双耳互函数级数及全反射音振幅的大小,双耳听觉互函数主要与反射到达测听者的方向和反射的幅度有关,证实声源方向感度与双耳互函数级数为正比之关系存在。
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Like other member functions they take a parameter list and have a function body.
而与其他成员函数相同的是,构造函数也有形参表和函数体。
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Like any other function, a constructor has a name, a parameter list, and a function body.
与任何其他函数一样,构造函数具有名字、形参表和函数体。
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In the article we deduce parametric equation on expansion path from Cobb-Dauglas production function and get a function relationship between cost expenditure and output to analyse the condition of returns to scale.
Cobb-Dauglas生产函数被认为是一种很有用的生产函数,因为该函数以其简单的形式描述了经济学家所关心的一些性质,它在经济理论的分析和实证研究中都具有一定意义。
- 推荐网络例句
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Do you know, i need you to come back
你知道吗,我需要你回来
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Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.
1〕 杨银书,王祥生,李德昌。安徽省首次发现嗜群血蜱。
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Chapter Three: Type classification of DE structure in Sino-Tibetan languages.
第三章汉藏语&的&字结构的类型划分。