Open AccessA New Upper Bound on the Infinity Norm of the Inverse of Nekrasov Matrices
Author(s) -
Lei Gao,
Chaoqian Li,
Yaotang Li
Publication year - 2014
Publication title -
journal of applied mathematics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.307
H-Index - 43
eISSN - 1687-0042
pISSN - 1110-757X
DOI - 10.1155/2014/708128
Subject(s) - mathematics , upper and lower bounds , inverse , uniform norm , norm (philosophy) , infinity , pure mathematics , mathematical analysis , geometry , political science , law
A new upper bound which involves a parameter for the infinity norm of the inverse of Nekrasov matrices is given. And we determine the optimal value of the parameter such that the bound improves the results of Kolotilina, 2013. Numerical examples are given to illustrate the corresponding results
Accelerating Research
Robert Robinson Avenue,
Oxford Science Park, Oxford
OX4 4GP, United Kingdom
Address
John Eccles HouseRobert Robinson Avenue,
Oxford Science Park, Oxford
OX4 4GP, United Kingdom