预处理ICCG法求解稀疏病态方程组
于春肖,苑润浩
Preconditioning ICCG method for solving sparse ill-conditioned linear equations
YU Chunxiao,YUAN Runhao
河北大学学报(自然科学版) . 2014, (1): 1 -6 .  DOI: 10.3969/j.issn.1000-1565.2014.01.001