查询词典 convergence

In this paper, we study the finite iterated order of growth and the iterated convergence exponent of the zero sequence of nonzero meromorphic solutions of second order homogeneous linear differential equation , and obtain some precision evaluation.

摘要研究了二阶齐次线性微分方程非零亚纯解的迭代级与零点迭代收敛指数，得到了它们的精确估计。

In chapter 3,we investigated the relationship between exponent of convergence to zero - sequence of the solution of certain homogeneous linear differential equation f + Af = 0 and the order of growth of A.

第四部分研究了一类二阶线性微分方程f+Q_1e~(p_1+Q_2e~(p_2)+Q/df=0中p_1，p_2首项系数的比值对方程解的零点收敛指数的影响，并推广到更广泛一类方程。

The example shows that the exponential change has tremendous influences on iterative number, Lagrange multiplier value and initial value. An appropriate value selected can make the algorithm have a good convergence property.

算例结果表明，指数的变化对迭代次数、拉格朗日乘子的取值及初值的选取都有较大影响，通过合适的取值可使算法具有更好的收敛性。

By doing so, the application of SDTFM is extended to random geometrical plane region. Compared with FEM, the method has such the advantages as using fewer elements, faster convergence and highter accuracy of computation especially in dealing with high gradient stress.

与单纯用有限元法求解相比较，本文方法具有划分单元少、求解速度快、计算精度高等优点，特别在求解高梯度应力时，显示极大的优势。

The simulation result proves that the hybrid algorithm has fast convergence and the partial extremal problem can be effectively avoided.

仿真表明该混合算法收敛速度快，能有效避免局部极值问题。

The method can convert OPF problem into unconstrained extreme value problem using intellectual optimizing characteristics. The PSO algorithm is used in the searching, which has the parallel processing characteristic is easy to realize, and can enhance robustness and effectively improve the global convergence performance and calculation accuracy.

该方法利用智能优化理论将最优潮流问题转化成一个无约束极值问题，该算法具有并行处理特征，鲁棒性好，易于实现，能够有效的提高算法的全局收敛能力和计算精度。

At the same time,the convergence speed of this algorithm and the capacity of searching global extremum is increased.

建立改进后的BP网络模型，通过该模型和逐步回归方法对某市降水量进行实例分析。

In order to avoid local extremum and promote convergence speed, Levenberg-Marquardt BP algorithm has been adopted.

为了避免网络陷入局部最小点和提高网络的收敛速度，算法采用改进后的Levenberg-Marquardt 法BP 算法。

Simulation result proves that the hybrid algorithm has fast convergence and the partial extremum problem can be effectively avoided.

仿真表明该混合算法收敛速度快，能有效避免局部极值问题。

The conventional non-linear seismic inversion methods are low in convergence and sometimes will result in the problem of local extremum.

传统非线性反演方法存在着收敛效率低，有时会陷入局部极值的问题。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。