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It also applies kernel density estimation method to investigate the accumulative relative productivity and the dynamic evolvement of its distribution. The result shows that there exists no country level absolute convergence of the provincial productivity whether incorporating environmental factors or not. The provincial TFP index is in a divergence trend and the provincial technical efficiency index has a convergence trend when incorporates environmental factors.

无论是否考虑环境因素,代表东、中、西三大区域的虚拟变量均不显著,表明不存在俱乐部收敛;当所考虑的控制变量为基础设施水平、工业化水平、经济开放度、能源强度时,所有的控制变量皆不具有统计显著性,表明不存在条件收敛。

Some examples are given to explain orthonormality, adjoint operator, orthonormal projection operator, converges in norm and weak sense which used onwavelet theory.

重点说明希尔伯特空间的正交性、伴随算子、投影算子以及依范数收敛、弱收敛在小波理论中的体现。

The discussion produces some useful result:theconvergence of bounded subfeasible solution sequence and the convergence to zero of thesubfeasible dual gap.

在引入摄动的思想下,针对受摄动KKT系统,首先证明了以上四个规划问题中线性规划及其Wolfe对偶问题解的存在性,在此基础上得到一个关于其有界次可行序列收敛和次可行对偶间隙收敛到0的重要结论。

The convergence of the traditional nonlinear equations is related to the selected initial value, but the convergence of the fixed point method is not related to it.

传统的非线性有限元方程组的数值求解法(牛顿-拉普森迭代法与共轭梯度法)只能求解单值性有限元方程,且其收敛行为与初始值的选择有关,而不动点方法在求解非线性方程组时的收敛行为不受初始值选择的影响,在大范围内是一致收敛的。

The structure and the thickness and optical constants of each layer determine the reflectance of the thin film system.

尽管全局优化算法具有对初值没有强烈依赖的"鲁棒性",但在到达最优解90%的地方收敛速度大大减慢,存在后期收敛速度较慢的不足。

In this project,we primarily investigated the growth of solutions of some types of differential equations,and the hyper order,the exponents of convergence of zeros and fixed points of solutions with infinite order, especially, expononts of convergence of fixed points of first, second order derivatives and differential polynomials of solutions.

中文摘要:在本项目中,重点研究了几种类型的微分方程解的增长性,及无穷级解的超级,零点收敛指数,不动点收敛指数,特别是解的一阶,二阶导数及微分多项式的不动点收敛指数。

This new algorithm can derive a rheological parameter estimation that shows superior statistic features of fitting residual error unbiasedness and least variance.

该算法不需要人工给定迭代初始值,迭代过程稳定收敛到最小点,不会陷入极小点陷阱,收敛速度很快,所得到的流变参数估计具有拟合残差无偏性和方差最小的优良统计特征。

The research is carried on from four aspects. One is, based on answering the above open problem on a finite dimensional Euclidean space by means of partially ordered theory, to research the existence of solutions, global error bounds of proximal solutions and sensitivity of parametric unique solutions and present a class of variable-parameter three-step iterative algorithms for generalized set-valued variational inclusion problems by using - resolvent operator of set-valued mapping.Two is to consider the convexity, closedness and boundedness of the solution set of general set-valued variational inclusion problems and the sensitivity of the parametric solution set by means of graphical convergence theory. Three is to discuss directly the existence of solutions by using analytical methods for set-valued mixed quasi-variational-like inequalities and suggest a class of direct variable-parameter three-stepiterative algorithms for solving generalized set-valued variational inclusions.

研究分有三个方面:一是借助于偏序理论在有限维欧氏空间中解决了上述公开问题,在此基础上利用集值映射的η-预解算子,研究了广义集值变分包含问题解的存在性、逼近解的全局误差界、参数唯一解的灵敏性,并提出了一类变参数三步迭代算法;二是借助于图收敛理论研究了一般集值变分包含问题解集的凸性、闭性和有界性以及参数解集的灵敏性;三是用分析的方法直接讨论了集值混合拟类变分不等式问题解的存在性并提出了一类求解广义集值变分包含问题的直接变参数三步迭代算法。

Simulation results show that the algorithm has better global convergence ability and rapider convergence velocity through optimization tests of benchmark functions .

通过标准函数的优化试验,仿真结果表明该算法有较强的全局收敛能力和较快的收敛速度,以二级倒立摆为被控对象,利用ILGA优化T-S模糊神经网络控制器,实验证明了该方法具有稳态性好,响应速度快等优点。

In this paper, a new kind of T2 axiom called strong T2 separation in topological systems is introduced. Characterizations of T2 separation by net convergences and by filter convergences are given.

提出拓扑系统的一种新的T2分离性-强T2分离性,给出了T2拓扑系统的网式收敛刻画和强T2拓扑系统的滤子式收敛刻画。

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