Operators and Matrices · Volume 3, Issue 1 On the rate of convergence of the image space reconstruction algorithm 03-02 Pages 41-58 DOI 10.7153/oam-03-02 Downloads Short PDF Full PDF PNG Authors Jian Han Lixing Han Michael Neumann Upendra Prasad Keywords nonnegative least squares ISRA (Image Space Reconstruction Algorithm) rate of convergence nonnegative matrix factorization Subject classes 65F20 65Y20 15A48 15A23