Perturbation bound of singular linear systems

PCR algorithm for parallel computing minimum-norm (T) least-squares (S) solution of inconsistent linear equations

Applied Mathematics and Computation

Condition number for the Drazin inverse and the Drazin-inverse solution of singular linear system with their condition numbers

Journal of Computational and Applied Mathematics

Vector least-squares solutions for coupled singular matrix equations

Journal of Computational and Applied Mathematics

The representation and approximation for the weighted Minkowski inverse in Minkowski space

Mathematical and Computer Modelling: An International Journal