Among them, the most classical ones are Newton's method of two order convergence, Chebyshev's method of convergence order of three, Halley's method of convergence order of three, Newton's convex acceleration ( or super-Halley) iteration method; 几百年来,各种各样的迭代法被人们提了出来其中,最为经典的有二阶收敛的Newton迭代,三阶收敛的Chebyshev迭代、Halley迭代及Newton凸加速(又称为超Halley)迭代;
The G B transformation and x 1 factor is compared for the convergence acceleration of limit periodic continued fraction. The Numerical examples are given. 就G-B变换和常数因子x1对极限循环连分式的加速收敛进行了比较,并给出了数值实例。
In order to improve the convergence rate of the algorithms, an acceleration search method along a straight or curve is proposed, and the specific calculation steps of the algorithms are presented. 提出了一种直线和曲线线性加速搜索的方法,并给出了算法的具体计算步骤。
Convergence acceleration techniques based on the multigrid methods were developed for solving 2d and 3d compressible Euler and N-S equations. 在二维、三维Euler方程,及薄层N-S方程的数值计算中实现了高效率的多重网格方法。
Convergence Acceleration Methods ( CAMs) are presented for the fast analysis of wire antennas. 给出一种有效提高线天线矩量法计算速度的新方法,即外插收敛加速法。
A new concept of convergence acceleration: f-acceleration 一种新的收敛加速概念:F-加速
On Convergence and Acceleration of Iterative Method of Linear Equations 论线性方程组迭代解法的收敛与加速
The correctness are verified by the numerical results which show the obvious effect of convergence acceleration, the linear storage complexity and the almost linear computational complexity of the preconditioned algorithm. It can be concluded that the algorithm can be widely used. 数值计算结果验证了本文算法的正确性,展示了其十分明显的加速收敛效果,表明了本文算法有线性的存储复杂度和几乎线性的计算复杂度,可有较广泛的应用。
Second, the rate of error convergence may be guaranteed rapidly by setting appropriate angular position, velocity and acceleration feedback gain Matrices; 二是可以适当的选择位置、速度和加速度反馈增益矩阵,从而加快误差收敛速度;
Convergence Acceleration for Vector Composite Sequence Transformation 向量合成序列变换的加速收敛
Compared with the computed torque method, the algorithm can give error convergence bound clearly without acceleration measurement and inverse inertia matrix. 与传统计算力矩法相比,在不要求加速度测量和惯性矩阵求逆的情况下,算法给出清晰的跟踪误差收敛域。
In this paper, we construct, from the prediction correction method, a process for sloving ordinary differential equation with a convergence acceleration method, so called c transormation of order 2. The numerical stable region of this process is the same as that of the correction. 由预估校正法,构造了一个收敛加速的解常微分方程的方法,即所谓的二阶C变换法。此法的稳定域与校正法的相同。
Proof of a Conjecture on Two Convergence Acceleration Methods for Ordinary Continued Fractions 关于两种连分式加速收敛方法等价性的一般猜想的证明
For steady-state calculations, a four-stage Runge-Kutta scheme with convergence acceleration techniques such as local-time stepping and implicit residual smoothing is used. 其中,定常计算中的时间推进采用四步Runge&Kutta方法,并应用了当地时间步长、隐式残值光顺等加速收敛措施;
Application of the Pade 'Approximant(∈& Algorithm) to the Convergence Acceleration of the Hypergeometrical Function Pade′逼近(∈&算法)和超几何函数的快速收敛
Then a genetic simulated annealing based discovery algorithm is developed to find the high-performance topology in the whole network. The algorithm makes use of convergence acceleration of genetic algorithms and avoids local optimum of simulated annealing. 采用遗传模拟退化算法进行拓扑发现,充分利用遗传算法加快收敛,模拟退火算法避免陷入局部最优,从而快速获得全网拓扑结构。
This method does not rely on shift-and-invert transformations for convergence acceleration, but rather a preconditioner is used. 它不再依靠shift-and-invert技巧来加速收敛,而是应用了预条件技术。
To alleviate the premature convergence of basic PSO, the improved algorithm applies the self-organizing inertia weight and acceleration coefficients in the interest of the diversity of population. Moreover, the mutation operator is introduced. 针对PSO算法的早熟收敛现象,该算法从种群多样性出发,采用自组织的惯性权重和加速系数,并增加了变异操作。