Matrix analysis
Algebraic properties of classes of concommuting and H-selfadjoint matrices
Computational Mathematics and Mathematical Physics
Iterative methods for calculating a weighted pseudoinverse
Computational Mathematics and Mathematical Physics
Cybernetics and Systems Analysis
Cybernetics and Systems Analysis
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Limiting representations for weighted pseudoinverse matrices with positive definite weights are derived. It is shown that regularized problems can be constructed based on such limiting representations intended for evaluation of weighted pseudoinverse matrices and weighted normal pseudosolutions with positive definite weights. The results obtained, concerning regularization of problems on evaluation of weighted normal pseudosolutions, are employed for regularization of least-squares problems with constraints.