Zhang, Fengxia; Zhao, Jianli A real structure-preserving algorithm based on the quaternion QR decomposition for the quaternion equality constrained least squares problem. (English) Zbl 1504.65098 Numer. Algorithms 91, No. 4, 1815-1827 (2022). MSC: 65F15 15B33 65F20 PDFBibTeX XMLCite \textit{F. Zhang} and \textit{J. Zhao}, Numer. Algorithms 91, No. 4, 1815--1827 (2022; Zbl 1504.65098) Full Text: DOI
Li, Ying; Wei, Musheng; Zhang, Fengxia; Zhao, Jianli A real structure-preserving method for the quaternion LU decomposition, revisited. (English) Zbl 1382.65073 Calcolo 54, No. 4, 1553-1563 (2017). MSC: 65F05 15B33 PDFBibTeX XMLCite \textit{Y. Li} et al., Calcolo 54, No. 4, 1553--1563 (2017; Zbl 1382.65073) Full Text: DOI
Ling, Si-Tao; Jia, Zhi-Gang; Jiang, Tong-Song LSQR algorithm with structured preconditioner for the least squares problem in quaternionic quantum theory. (English) Zbl 1373.65029 Comput. Math. Appl. 73, No. 10, 2208-2220 (2017). MSC: 65F20 65F08 15B33 65F10 PDFBibTeX XMLCite \textit{S.-T. Ling} et al., Comput. Math. Appl. 73, No. 10, 2208--2220 (2017; Zbl 1373.65029) Full Text: DOI