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《Journal of Huaihua University》 2010-11
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A Class of IDP-SOR Method of Saddle Point Problem

CHENG Jun1,ZHANG Ying-kui1,ZHANG Li-jun2(1.Department of Teacher Education,Qujing Normal University,Qujing,Yunnan 655011;2.Department of Mathematics and Statistics,Yunnan University,Kunming,Yunnan 650091)  
A new iterative solution is proposed to solve the problem of large-scale saddle point problem.Based on a splitting for the matrix of coefficients which A∈Rn×n is symmetric positive definite in coefficient matrix,using the incomplete decomposition method which split A to LLT+R,after choosing a pretreated matrix and undermined parameters,the converence of the iteration is proved and sufficient and necessary conditions of the new iteration method proposed becomes convergent in form of theorem.
【CateGory Index】: O241.6
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