【摘要】 区域分裂并行计算的效率主要归结为解决并行过程中子区域间的信息传递问题.预处理方法是一种改善信息传递的重要手段.文中讨论了预处理迭代的一些性质,提出构造较优预处理的一类方法.在构造预处理的过程中运用参数来讨论条件数的改善情况,还对参数范围作了讨论.更多还原

【Abstract】 The focus of domain decomposition parallel computation is on communication of information in sub domains of parallel course.The method of for-condition is an important means to improve the communication of information,so,it is widely used in domain decomposition parallel computation.This paper discusses some characters of for-condition iteration,and some new methods for constructing the for-condition.The paper also discusses the amelioration of condition number by using the parameter.In addition,the discussion of parameter’s bound is also presented.更多还原