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1. Schur Complement-Based Infinity Norm Bounds for the Inverse of GDSDD Matrices.

Author

Li, Yating and Wang, Yaqiang

Subjects
*MATRIX inversion, *SCHUR complement, *INFINITY (Mathematics)
Abstract

Based on the Schur complement, some upper bounds for the infinity norm of the inverse of generalized doubly strictly diagonally dominant matrices are obtained. In addition, it is shown that the new bound improves the previous bounds. Numerical examples are given to illustrate our results. By using the infinity norm bound, a lower bound for the smallest singular value is given. [ABSTRACT FROM AUTHOR]

Published
2022
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