TY  - JOUR
AU  - Li, Limin
PY  - 2022
TI  - Normwise condition numbers of the indefinite least squares problem with multiple right-hand sides
JO  - AIMS Mathematics
SP  - 3692
EP  - 3700
VL  - 7
IS  - 3
AB  - In this paper, we investigate the normwise condition numbers of the indefinite least squares problem with multiple right-hand sides with respect to the weighted Frobenius norm and    2-norm. The closed formulas or upper bounds for these condition numbers are presented, which extend the earlier work for the indefinite least squares problem with single right-hand side. Numerical experiments are performed to illustrate the tightness of the upper bounds.
UR  - https://doi.org/10.3934/math.2022204
DO  - 10.3934/math.2022204