Hu Yang, Shaoxin Wang. A flexible condition number for weighted linear least squares problem and its statistical estimation. J. Computational Applied Mathematics, 292:320-328, 2016. [doi]
@article{YangW16,
title = {A flexible condition number for weighted linear least squares problem and its statistical estimation},
author = {Hu Yang and Shaoxin Wang},
year = {2016},
doi = {10.1016/j.cam.2015.07.013},
url = {http://dx.doi.org/10.1016/j.cam.2015.07.013},
researchr = {https://researchr.org/publication/YangW16},
cites = {0},
citedby = {0},
journal = {J. Computational Applied Mathematics},
volume = {292},
pages = {320-328},
}