Weighted pseudoinverse matrices with indefinite weights
DOI:
https://doi.org/10.15407/dopovidi2017.06.014Keywords:
limiting representations of weighted pseudoinverse matrices, matrix power series and products, weighted pseudoinverse matrices with nonsingular indefinite weightsAbstract
Weighted pseudoinverse matrices with nonsingular indefinite weights are defined and analyzed. The theorem of existence and uniqueness of these matrices is proved. A representation of weighted pseudoinverse matrices with indefinite weights is given in terms of coefficients of the characteristic polynomials of symmetrizable matrices. Their expansions in matrix power series or products are obtained. The limiting representations of those matrices are obtained.
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