The Point Zoro Symmetric Single-Step Procedure for Simultaneous Estimation of Polynomial Zeros

被引：16
|
作者：
Monsi, Mansor [2 ]
Hassan, Nasruddin [1 ]
Rusli, Syaida Fadhilah [2 ]
机构：
[1] Univ Kebangsaan Malaysia, Fac Sci & Technol, Sch Math Sci, Bangi 43600, Selangor, Malaysia
[2] Univ Putra Malaysia, Dept Math, Fac Sci, Upm Serdang 43400, Selangor, Malaysia
来源：
JOURNAL OF APPLIED MATHEMATICS | 2012年
关键词：
SIMULTANEOUS APPROXIMATION;
D O I：
10.1155/2012/709832
中图分类号：
O29 [应用数学];
学科分类号：
070104 ;
摘要：
The point symmetric single step procedure PSS1 has R-order of convergence at least 3. This procedure is modified by adding another single-step, which is the third step in PSS1. This modified procedure is called the point zoro symmetric single-step PZSS1. It is proven that the R-order of convergence of PZSS1 is at least 4 which is higher than the R-order of convergence of PT1, PS1, and PSS1. Hence, computational time is reduced since this procedure is more efficient for bounding simple zeros simultaneously.
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页数：11
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