TY - JOUR
T1 - Linearised Estimate of the Backward Error for Equality Constrained Indefinite Least Squares Problems
AU - Huaian Diao & Tongyu Zhou
JO - East Asian Journal on Applied Mathematics
VL - 2
SP - 270
EP - 279
PY - 2019
DA - 2019/03
SN - 9
DO - http://doi.org/10.4208/eajam.130518.170918
UR - https://global-sci.org/intro/article_detail/eajam/13082.html
KW - Indefinite least squares, equality constrained indefinite least squares problem, normwise backward error, linearisation estimate.
AB - <p style="text-align: justify;">We study normwise backward error estimates for the equality constrained
indefinite least squares problem and introduce an explicit sub-optimal linearisation estimate. Numerical examples show the reliability and efficiency of the estimate presented.</p>