Journal of Guangdong University of Technology ›› 2009, Vol. 26 ›› Issue (1): 10-.

• Comprehensive Studies • Previous Articles     Next Articles

Perturbation Bounds of Semi-definite Positive Factors of M-P Inverse under Non-Preserving Rank Perturbating

  

  1. (Basic Department,Maoming Vocational and Technical College,Maoming 525000,China)
  • Online:2009-01-01 Published:2009-01-01

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Abstract: Suppose the generalized polar decomposition of A+ and + are respectively A+=QH and +=■■,and H and ■ are n×m semi-definite positive factors.By using singular-value decomposition,unitarily invariant norm ‖·‖ and Frobenius norm ‖·‖F,the perturbation bound of semi-definite polar factors of Moore-Penrose generalized inverse matrix A+ under non-preserving rank perturbating is researched. 更多还原

Key words: generalized inverse matrix A+； semi-definite factor； singular-value decomposition； perturbation bound；

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