Approximation of iteration number for gauss-seidel using redlich-Kister polynomial

M. K. Hasan, and Jumat Sulaiman, and S. Ahmad, and M. Othman, and S. A A. Karim, (2010) Approximation of iteration number for gauss-seidel using redlich-Kister polynomial. American Journal of Applied Sciences, 7 (7). pp. 956-962. ISSN 1554-3641


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Problem statement: Development of mathematical models based on set of observed data plays a crucial role to describe and predict any phenomena in science, engineering and economics. Therefore, the main purpose of this study was to compare the efficiency of Arithmetic Mean (AM), Geometric Mean (GM) and Explicit Group (EG) iterative methods to solve system of linear equations via estimation of unknown parameters in linear models. Approach: The system of linear equations for linear models generated by using least square method based on (m+1) set of observed data for number of Gauss-Seidel iteration from various grid sizes. Actually there were two types of linear models considered such as piece-wise linear polynomial and piece-wise Redlich-Kister polynomial. All unknown parameters of these models estimated and calculated by using three proposed iterative methods. Results: Thorough several implementations of numerical experiments, the accuracy for formulations of two proposed models had shown that the use of the third-order Redlich-Kister polynomial has high accuracy compared to linear polynomial case. Conclusion: The efficiency of AM and GM iterative methods based on the Redlich-Kister polynomial is superior as compared to EG iterative method. © 2010 Science Publications.

Item Type:Article
Uncontrolled Keywords:Arithmetic mean, Explicit group, Geometric mean, Poisson equation, Redlich-Kister model
Subjects:?? QA101-(145) ??
Divisions:SCHOOL > School of Science and Technology
ID Code:2007
Deposited By:IR Admin
Deposited On:03 Mar 2011 18:07
Last Modified:08 Sep 2014 15:05

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