Ill-conditioning Diagnostics Based on Eigensystem
GUI Qing-ming ①② , GUO Jian feng ② ,BIAN Shao feng ②(①Institute of Geodesy and Geophysics, Chinese Academy of Sciences, Wuhan 430077,China;②Institute of Surveying and Mapping, Information Engineering University,Zhengzhou 450052,China)
The feature analysis and condition number method based on eigensystem are widely applied in ill conditioning diagnostics. The purpose of this paper is to discuss the concept, difference and relations of the two presented methods. The condition number method can improve the feature analysis method, but can't replace it. At last, some results are given.