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The existence of pointwise robust convergent algorithm and uniformly robust convergence is next investigated. We propose an optimal l〓 robustness synthesis method for structured perturbations system by taking advantage of the famous Small Gain Theorem.

证明了最优l〓辨识算法的存在性;证明了黑箱辨识存在辨识算法使全局误差收敛于有界区间;提出并证明了逐点鲁棒收敛算法的存在性;证明了一致鲁棒收敛算法的存在性。

Then convergence has beenproved between normed convergence and weak convergence.

接下来,证明了收敛是介于依范数收敛和弱收敛之间的。

Many methods are used to solve nonlinear problems, their rate of convergence is quick, for example, Newton-moser method, King-werner method, they are attentioned widely because of the quick rate of convergence. While these methods are used to solve singular problems, the rate of convergence is slow, it is discommodious for us to solve practical problems.

有许多方法在求解非奇异问题时,它们的收敛率是很快的,有些甚至能达到二次收敛,例如Newton-Moser法、King-werner法,这是所熟知的,因其收敛速度快,并且简单易用而广受重(来源:AB17C论文dddd网www.abclunwen.com)视。

It is proved that Newton iteration method is still quadratically convergent under a weak condition, and a new point is added to Newton s method , i.

本文讨论求解非线性方程的牛顿法,证明牛顿法在一个弱条件下仍保持局部二阶收敛性,给出牛顿法的一点改进,即一个不带导数的单参数的二阶收敛的迭代法,而且分别得到这两种迭代法的收敛因子,最后进行数值实验

The reconstruction problem is ill-posed, so two optimal criterions, the least module and the smoothness criterion base on Tikhonov regularization technique, are introduced into reconstruction algorithm. Many regularization parameters choice strategies are investigated, and the TPA(Two—Parameter Algorithm) strategy which is based on the Morozov discrepancy principles, is implemented in two regularization reconstruction algorithms.Numerical experiment results show that the nonnegative and smoothness constraint condition can overcome the difficulty of iteration semiconvergent, preconditioned technique can improve convergence rate and reconstruction accuracy, smoothness regularization criterion can meliorate ill-posed problem of reconstruction and enhance iteration stability, and the TPA is an effective strategy of regularization parameters choice.

数值试验表明:在共轭梯度法中引入非负约束和光滑约束改善了迭代的&半收敛&性,非负约束保证了解的非负性,光滑约束抑制了重建解的振荡现象,约束算法的重建精度与无约束算法相比大幅度提高;在约束共轭梯度重建算法中引入预优技术,可以加快算法的收敛速度,提高迭代的稳定性和重建精度;引入光滑准则的正则化技术可以有效改善图像重建问题的不适定性,加快迭代的收敛速度,提高迭代的稳定性和图像重建质量,计算正则参数的TPA算法在闪光照相图像重建中是有效的。

Our results show that there is no obvious conditional convergence in china, that is, given the same level of human capital, market openness and other factors the economic provinces have demonstrated an unconspicuous growth convergence.

本文研究得出,中国地区间的经济增长,存在不明显的条件收敛的特征,即在具有相同的人力资本、市场开放度等结构特征的经济地区间不存在明显的增长收敛趋势,但是存在着很显著的&俱乐部收敛&特征,即按东中西划分的区域内部人均经济产出具有明显的聚集现象。

Our results show that not only the club convergence has been obviously exhibited, that is, the output per capita congregates within the east, middle and west districts respectively; but also the conditional convergence has been identified, that is, given the same level of human capital, market openness and other factors the economic provinces have demonstrated a certain growth convergence.

本文认为中国地区间的经济增长,不仅存在着显著的&俱乐部收敛&特征,即按东中西划分的区域内部人均产出具有明显的聚集现象;而且存在着条件收敛的特征,即在具有相同的人力资本、市场开放度等结构特征的经济地区间存在着一定的增长收敛趋势。

Our results show thatnot only the club convergence has been obviously exhibited,that is ,the outputper capita congregates within the east,middle and west districts respectively;but also the conditional convergence has been identified,that is ,given the samelevel of human capital,market openness and other factors the economic provinceshave demonstrated a certain growth convergence.

本文认为中国地区间的经济增长,不仅存在着显著的&俱乐部收敛&特征,即按东中西划分的区域内部人均产出具有明显的聚集现象;而且存在着条件收敛的特征,即在具有相同的人力资本、市场开放度等结构特征的经济地区间存在着一定的增长收敛趋势。

The shortages of typical BP algorithm are that its convergence speed is slow and it possibly mires to local minimum. To solve the former shortage, BP algorithm was modified from several aspects, such as adjusting learning rate adaptively, adding momentum factor, preprocessing training data and modifying network structure, etc.. For the latter shortage, factor γ was introduced to avoid most of local minimum and accelerate the convergence speed.

为解决现有BP算法收敛速度慢的问题,对BP算法进行了改进,采用了动态改变步长、加入动量因子、对训练样本进行预处理以及调整网络结构等措施;针对经典BP算法可能收敛到局部极小点的问题,加入γ因子,可以避免大部分的局部极小值,从而使网络的收敛速度加快。

Derformation and convergence survey were made on the drift of Qiaohou Salt Mine withthree techniques.

叙述了对乔后盐矿井下巷道进行变形和收敛观测的结果,分析了观测数据,主要结论:自60年代以来该矿岩盐巷道的收敛速度已明显加快,垂直方向的日平均收敛量已由60年代初期的约0。

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With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务,乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐,因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。

Closes the eye, the deep breathing, all no longer are the dreams as if......

关闭眼睛,深呼吸,一切不再是梦想,犹如。。。。。。