Operators and Matrices · Volume 8, Issue 3 The weighted Moore-Penrose inverse for sum of matrices 08-41 Pages 747-757 DOI 10.7153/oam-08-41 Downloads Short PDF Full PDF PNG Authors Zhiping Xiong Yingying Qin Keywords Moore-Penrose inverse weighted Moore-Penrose inverse weighted singular value decomposition rank additivity sum of matrices Subject classes 15A09 15A24 65F05