Optimal Gerschgorin-type inclusion inter
β
Hou-Biao Li; Ting-Zhu Huang; Hong Li; Shu-Qian Shen
π
Article
π
2007
π
John Wiley and Sons
π
English
β 142 KB
## Abstract In this paper, some optimal inclusion intervals of matrix singular values are discussed in the set Ξ©~__A__~ of matrices equimodular with matrix __A__. These intervals can be obtained by extensions of the Gerschgorinβtype theorem for singular values, based only on the use of positive sca