查询词典 convergence

Property 2 (Term-by-Term Integration) Suppose that is the sum of a power series on interval ;that is,Then, if is interior to ,and the radius of convergence of the integrated series is the same as for the orginal series.

性质 2 幂级数的和函数在其收敛域上可积，并有逐项积分公式，，逐项积分后所得到的幂级数和原级数有相同的收敛半径。

By improving the Holder condition which the divided differences of order one satisfy,we obtain radius of convergence ball the uniqueness ball.All the theoretical conclusions are tested and verified by a numerical example.

通过改进一阶差商所满足的Holder连续条件，得到了两点弦截法的收敛球半径和方程具惟一解的球半径，并用数值例子验证了理论结果。

Therefore, to counter the possible problems to be met in the application, we study objectively the model structures, algorithms and capabilities for these neural networks, such as the quick learning of the multilayer feedforward network, the learning algorithm of increasing the storage capacity and the convergence radius of Hopfield network, the structure and mapping capability of the fuzzy inference network, the automatic learning of the fault diagnostic expert network and so on.

分别研究了多层前馈网络的快速训练问题、增大Hopfield网络存贮容量和收敛半径的学习算法、模糊推理网络的模型和映射能力，以及故障诊断专家网络知识的自学习问题等。

The radius of convergence of a power series ''f'' centered on a point '' a '' is equal to the distance from ''a'' to the nearest point where '' f '' cannot be defined in a way that makes it holomorphic.

一个中心为'' a ''的幂级数''f''的收敛半径'' R ''等于''a''与离'' a ''最近的使得函数不能用幂级数方式定义的点的距离。

The Pade approximation is combined with 3-D frequency-domain finite difference (3D-FDFD) for the first time. The impact of expansion point and the order of rational function on the accuracy and the convergence radius is discussed in this dissertation.

主要包括以下内容：首次将Pade逼近运用到三维频域有限差分法中，详细讨论了Pade逼近中展开点选取、收敛半径与有理阶数的关系问题。

The law of the influence of contractive angle of taper nozzles and curvature radius of convergence nozzles' convergent section on jet structure parameters is revealed, and it can provide a basis for optimization selection and design about laser cutting nozzles.

揭示锥型喷嘴收缩段收缩角、收敛型喷嘴收敛段抛物线曲率半径对射流的流场结构参数的影响规律，为激光切割喷嘴的优化选择和设计提供有效依据。标签激光技术激光切割会聚型喷嘴流场结构流体动力学 laser technigue laser cutting assemble nozzle jet structure hydrokinetics

To accelerating the convergence, the Trust Region Method is used to improve thestandard BP algorithm.

为了提高收敛速度，采用信赖域方法对标准的BP算法进行了改进。

In this region of convergence we find the deepest earthquakes, great topographic relief, and intensive volcanic activity

在这种聚合地区，我们发现了最深的地震，巨大的地形起伏和强烈的火山活动。

Secondly, it is different that the energy intensity of individual province in the Western region shows convergence or divergence.

第二，不同西部省份在经济增长过程中的能源使用效率是收敛还是发散存在差异。

That the performance characteristics of products in the same region of convergence, and the product differentiation between different regions divide intensified.

即表现为同一区域内产品特征趋同，而不同区域之间的产品差异分化加剧。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。