Journal of Guangdong University of Technology ›› 2009, Vol. 26 ›› Issue (2): 13-.

• Comprehensive Studies • Previous Articles     Next Articles

The Criteria for Tri-diagonal Period Class Inverse M-Matrices

  

  1. （1.Huali College; Guangdong University of Technology; Guangzhou 511325; China; 2.College of Mathematics and Computer Science; Xiangtan University; Xiangtan 410005; China）;
  • Online:2009-02-03 Published:2009-02-03

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Abstract: Partitioning specially and using the properties of schur compelements matrices,it gets the necessary and sufficient conditions for inverse M-matrices;the properties of tri-diagonal period inverse M-matrices and the necessary and sufficient conditions for the tri-diagonal matrices are combined,and the necessary and sufficient conditions of the tri-diagonal period inverse M-matrices are obtained.

Key words: M-matrices; inverse M-matrices; tri-diagonal period inverse M-matrices.;

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