## Journal of Applied Mathematics

### Iterative Methods to Solve the Generalized Coupled Sylvester-Conjugate Matrix Equations for Obtaining the Centrally Symmetric (Centrally Antisymmetric) Matrix Solutions

#### Abstract

The iterative method is presented for obtaining the centrally symmetric (centrally antisymmetric) matrix pair $(X,Y)$ solutions of the generalized coupled Sylvester-conjugate matrix equations ${A}_{\mathrm{1}}X+{B}_{\mathrm{1}}Y={D}_{\mathrm{1}}\overline{X}{E}_{\mathrm{1}}+{F}_{\mathrm{1}}$, ${A}_{\mathrm{2}}Y+{B}_{\mathrm{2}}X={D}_{\mathrm{2}}\overline{Y}{E}_{\mathrm{2}}+{F}_{\mathrm{2}}$. On the condition that the coupled matrix equations are consistent, we show that the solution pair $({X}^{\mathrm{\ast}},{Y}^{\mathrm{\ast}})$ can be obtained within finite iterative steps in the absence of round-off error for any initial value given centrally symmetric (centrally antisymmetric) matrix. Moreover, by choosing appropriate initial value, we can get the least Frobenius norm solution for the new generalized coupled Sylvester-conjugate linear matrix equations. Finally, some numerical examples are given to illustrate that the proposed iterative method is quite efficient.

#### Article information

Source
J. Appl. Math., Volume 2014 (2014), Article ID 515816, 17 pages.

Dates
First available in Project Euclid: 2 March 2015

Permanent link to this document
https://projecteuclid.org/euclid.jam/1425305881

Digital Object Identifier
doi:10.1155/2014/515816

Mathematical Reviews number (MathSciNet)
MR3232918

#### Citation

Xie, Yajun; Ma, Changfeng. Iterative Methods to Solve the Generalized Coupled Sylvester-Conjugate Matrix Equations for Obtaining the Centrally Symmetric (Centrally Antisymmetric) Matrix Solutions. J. Appl. Math. 2014 (2014), Article ID 515816, 17 pages. doi:10.1155/2014/515816. https://projecteuclid.org/euclid.jam/1425305881

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