rate of convergence

收敛速度:在数值分析中

常用释义

词性释义

收敛速度:在数值分析中,一个收敛序列向其极限逼近的速度称为收敛速度。该概念多用于最优化算法中;其被定义为一个迭代序列向其局部最优值逼近(假设计算过程收敛,并能达到最优值)的速度,是评价一个迭代法于该问题中发挥的性能的一个重要指标。
例句
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1·The stability and the optimal rate of convergence of the method are proved.
方法的稳定性和最优收敛率也得到证明。
2·We lay particular emphasis on analysis of global and local convergence and rate of convergence.
侧重于收敛的速率和整体、局部分析。
3·The rate of convergence is nearly quadratic, and is quadratic under some additional conditions.
该迭代算法具有几乎二次的收敛率,在某些条件下达到了二次收敛。
4·It shows the advantages of easily programming, fast rate of convergence and high calculation accuracy.
此方法编程简单,收敛速度快计算准确度高。
5·This article is going to study the convergence and rate of convergence about nonhomogeneous Markov chains.
本文主要研究非齐次马氏链的收敛及收敛速度。
6·The designed controller is simple and easily implemented in practice applications, along with rapid rate of convergence.
所设计的控制器结构简单,易于实现,收敛速度快。
7·The results of testing typical function demonstrate that the precision and the rate of convergence are improved by FQGA.
对典型函数测试表明:该方法有效地提高了量子遗传算法的计算精度和收敛速度。
8·In the third chapter, we study the rate of convergence of nonhomogeneous Markov chains and the absolute average strong ergodic.
第三章研究一类非齐次马氏链的收敛速度及绝对平均强遍历性。
9·Adjusting the probability of acceptance could control the speed of chaos simulated annealing, and influence the rate of convergence.
接收概率衰减速度的调节可以控制混沌退火的速度,从而影响网络的收敛速度。
10·Furthermore, the results of comparative calculation show that the new method can considerably improve the rate of convergence for the feasible direction method.
对比计算表明,本文方法还可大幅度地提高可行方向法的收敛速度。