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The exponential functions of central-symmetric $X$-form matrices | ||
| Journal of Mathematical Modeling | ||
| مقاله 2، دوره 4، شماره 1، آبان 2016، صفحه 19-34 اصل مقاله (348.83 K) | ||
| نوع مقاله: Research Article | ||
| نویسندگان | ||
| Amir Sadeghi* 1؛ Maryam Shams Solary2 | ||
| 1Department of Mathematics, Islamic Azad University, Robat Karim Branch, Tehran, Iran | ||
| 2Department of Mathematics, Payame Noor University, P.O. Box 19395-3697, Tehran, Iran | ||
| چکیده | ||
| It is well known that the matrix exponential function has practical applications in engineering and applied sciences. In this paper, we present some new explicit identities to the exponential functions of a special class of matrices that are known as central-symmetric $X$-form. For instance, $e^{\mathbf{A}t}$, $t^{\mathbf{A}}$ and $a^{\mathbf{A}t}$ will be evaluated by the new formulas in this particular structure. Moreover, upper bounds for the explicit relations will be given via subordinate matrix norms. Eventually, some numerical illustrations and applications are also adapted. | ||
| کلیدواژهها | ||
| central-symmetric matrix؛ matrix function؛ matrix exponential؛ Gamma and Beta matrix functions | ||
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