Author： Ramadan Mohamed
Publisher： Taylor & Francis Ltd
ISSN： 0020-7160
Source： International Journal of Computer Mathematics, Vol.82, Iss.7, 2005-07, pp. : 865-870
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Abstract
Necessary and sufficient conditions for the matrix equation X + A T X -2 A = I to have a real symmetric positive definite solution X are derived. Based on these conditions, some properties of the matrix A as well as relations between the solution X and A are derived.
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