The following publications are possibly variants of this publication:
- The condition numbers for weighted Moore-Penrose inverse and weighted linear least squares problemShu-fan Wang, Bing Zheng, Zhiping Xiong, Zi-zhen Li. amc, 215(1):197-205, 2009. [doi]
- Condition numbers and perturbation of the weighted Moore-Penrose inverse and weighted linear least squares problemYimin Wei, Dingkun Wang. amc, 145(1):45-58, 2003. [doi]
- A Dynamic Method for Weighted Linear Least Squares ProblemsX. Y. Wu, J.-L. Xia, F. Yang. computing, 68(4):375-386, 2002. [doi]