查询词典 stable convergence

This paper discusses convergence of Ishikawa iteration sequence and existence of fixed points for set-valued nonexpansive mapping in uniformly covex Banach space, and the conditions are shown which guarantee the convergence of the iteration sequence to a fixed point.

讨论了δ集值非扩张映象在一致凸Banach空间中不动点非空的充分必要条件与Ishikawa迭代序列的收敛性及确保迭代程序收敛到不动点的条件，所得结果是单值非扩张映象的推广和发展。

A new mathematical model of intelligence test paper generation system was set up. To avoid slow-convergence and local convergence of simple genetic algorithm, a kind of improved genetic algorithm was proposed in this paper.

建立了一种新的试卷矩阵数学模型，提出了改进的遗传算法编码方式，并通过改进初始群体的产生方法和遗传算子，有效提高了遗传算法的收敛速度，并较好地避免了局部收敛现象。

Aiming at the disadvantage of conventional BP neural network, such as selecting parameter values by the empirical method, slow convergence speed and easy trap into local minimum points, this paper designs an improved BP neural network system. In order to improve the network convergence rate and reduce the training error, this paper optimizes the initial connecting weight value of neural network by the use of ant colony algorithm and trains artificial neural network by Levenberg-Marquardt algorithm.

针对常规BP神经网络参数的经验式取值方法以及收敛速度慢，容易陷入局部最小点等缺陷，设计了一种改进的神经网络系统，利用蚁群算法优化神经网络连接权初值，并采用LM算法对人工神经网络进行训练，提高了网络的收敛速度，降低了训练误差。

Results:① Thin-slice reconstruction, MPR and VR provided higher detecting rate of small peripheral pulmonary adenocarcinonia signs than conventional axial images, including lobulation, spiculation, pleural indentation and bronchovascular convergence;② MPR and VR was superior to axial thin-slice reconstruction in judging the presence of the vacuolar sign, air-bronchogram and bronchovascular convergence.

结果：①64层CT薄层重建、MPR及VR在显示肺小腺癌的分叶征、毛刺征、胸膜凹陷征及支气管血管集束征方面优于常规横断面；②MPR及VR对于空泡征、支气管气相和支气管血管集束征的判别有优势。

The Markov chain proved the algorithm that is strong convergence and also the convergence speed is exponent.

利用Markov链证明该算法是可收敛并且是以指数速度概率强收敛的。

Ensure global convergence of random PSO algorithm for high-dimensional functions is a strong global convergence.

保证全局收敛的随机粒子群优化算法，对于高维函数有较强的全局收敛性。

Compactness and the relation between strong convergence and weak* convergence.

紧性以及强收敛和弱收敛之间的关系。

By the way, we describe the modified quasi-Newton algorithm used the line search , and have given its global convergence and superlinear convergence.

接下来描述了采用线性搜索的修正拟Newton算法，并给出了它的全局收敛性与超线性收敛性。

Furthermore, the global convergence and superlinear convergence rate are proved under mild assumptions without the strict complementarity.

此外，在不需要严格互补的温和条件下，我们证明了算法的全局收敛性和超线性收敛性。

The algorithm is the combination of the method with global convergence and thatwith locally superlinear convergence.

其特点之一是该方法在每步迭代中只需要计算一个或三个具有相同系数矩阵的线性方程组。

The teacher likes the honeymouthed little girl very much.

老师很喜欢这个嘴甜的小姑娘。

Mr. Notker Bien's interests are traveling, spending quality time with the family and long-distance-running.

诺特卡·柏恩先生热爱旅游，长跑，以及和家人一起共度美好时光。