Necessary and Sufficient Conditions for the Existence of a Positive Definite Solution for the Matrix Equation X+∑i=1mAiTXδiAi=I

Naglaa M. El-Shazly

Journal of Applied Mathematics, 2013, vol. 2013, issue 1

Abstract: In this paper necessary and sufficient conditions for the matrix equation X+∑i=1mAiTXδiAi=I to have a positive definite solution X are derived, where −1

Date: 2013
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https://doi.org/10.1155/2013/537520

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Persistent link: https://EconPapers.repec.org/RePEc:wly:jnljam:v:2013:y:2013:i:1:n:537520

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