%A LIU Xiao-guang, CHANG Da-wei* %T The optimal parameters of PSD method for rank deficient linear systems %0 Journal Article %D 2011 %J JOURNAL OF SHANDONG UNIVERSITY(NATURAL SCIENCE) %R %P 13-18 %V 46 %N 12 %U {http://lxbwk.njournal.sdu.edu.cn/CN/abstract/article_1324.shtml} %8 2011-12-20 %X

Combining the geometry and the algebra,the optimal parameters and the optimal spectral radius of PSD method for rank deficient linear systems Ax=b are acquired,where A∈Cm×nr and r<min{m,n}, x∈Cn, b∈Cm, then examples are given to illustrate the results.