A QUASI-MINIMAL RESIDUAL VARIANT OF THE IOM (q) FOR LARGE UNSYMMETRIC LINEAR SYSTEMS

• 作 者: Wang Zhengsheng(王正盛)
• 机 构: NanjingUniversityofAeronauticsandAstronautics
• 出 处: 高等学校计算数学学报：英文版
• 发表日期: 2001年2期
• 关键词: unsymmetric linear systems IOM(q) Q MR Krylov subspace. unsymmetric linear sy
• 基金项目: This work is supported by the National Natural Science Foundation of China and the Natural Science Foundation of Jiangsu Province

The Incomplete Orthogonalization Method (IOM(q) ) , a truncated version of the Full Orthogonalization Method (FOM) proposed by Saad, has been used for solving large unsymmetric linear systmes. However, the IOM (q ) exhibites irregular convergence behavior