Eigenvector‐Free Solutions to the Matrix Equation AXBH = E with Two Special Constraints

Yuyang Qiu

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

Abstract: The matrix equation AXBH = E with SX = XR or PX = sXQ constraint is considered, where S, R are Hermitian idempotent, P, Q are Hermitian involutory, and s = ±1. By the eigenvalue decompositions of S, R, the equation AXBH = E with SX = XR constraint is equivalently transformed to an unconstrained problem whose coefficient matrices contain the corresponding eigenvectors, with which the constrained solutions are constructed. The involved eigenvectors are released by Moore‐Penrose generalized inverses, and the eigenvector‐free formulas of the general solutions are presented. By choosing suitable matrices S, R, we also present the eigenvector‐free formulas of the general solutions to the matrix equation AXBH = E with PX = sXQ constraint.

Date: 2013
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https://doi.org/10.1155/2013/869705

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Persistent link: https://EconPapers.repec.org/RePEc:wly:jnljam:v:2013:y:2013:i:1:n:869705

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