Zobrazeno 1 - 7
of 7
pro vyhledávání: '"Asmaa M. Al-Dubiban"'
Autor:
Asmaa M. Al-Dubiban
Publikováno v:
Abstract and Applied Analysis, Vol 2015 (2015)
We investigate the nonlinear matrix equation Xr-∑i=1mAi∗X-δiAi=I, where r is a positive integer and δi∈(0,1], for i=1,2,…,m. We establish necessary and sufficient conditions for the existence of positive definite solutions of this equation.
Externí odkaz:
https://doaj.org/article/b86b8132faab44e389270c19eb9cf916
Autor:
Asmaa M. Al-Dubiban
Publikováno v:
Abstract and Applied Analysis, Vol 2013 (2013)
The positive definite solutions for the system of nonlinear matrix equations are considered, where are two positive integers and A, B are nonsingular complex matrices. Some sufficient conditions for the existence of positive definite solutions for th
Externí odkaz:
https://doaj.org/article/4624bd3457cc498b9fab02b09df5bcae
Autor:
Asmaa M. Al-Dubiban
Publikováno v:
Journal of Applied Mathematics, Vol 2012 (2012)
We discuss the positive definite solutions for the system of nonlinear matrix equations and , where , are two positive integers. Some properties of solutions are studied, and the necessary and sufficient conditions for the existence of positive defin
Externí odkaz:
https://doaj.org/article/dec04520368d41ce97855e5e7949c274
Publikováno v:
Mathematical Problems in Engineering, Vol 2021 (2021)
In this paper, a mathematical model for lesser date moth is proposed and analyzed. The interaction between the date palm tree, lesser date moth, and natural enemy has been investigated. The impact of sex pheromone traps on lesser date moth is demonst
Autor:
Asmaa M. Al-Dubiban
Publikováno v:
Abstract and Applied Analysis. 2015:1-8
We investigate the nonlinear matrix equationXr-∑i=1mAi∗X-δiAi=I, whereris a positive integer andδi∈(0,1], for i=1,2,…,m. We establish necessary and sufficient conditions for the existence of positive definite solutions of this equation. A s
On the Positive Definite Solutions of the Nonlinear Matrix Equation $ X-A^{*}X^{-s}A-B^{*}X^{-t}B=I$
Autor:
Salah M. El-Sayed, Asmaa M. Al-Dubiban
Publikováno v:
Communications in Numerical Analysis, Vol 2012, Pp 1-8 (2012)
In the present paper, the positive definite solutions for the nonlinear matrix equation $X-A^{*}X^{-s}A-B^{*}X^{-t}B=I$, where $s,t\in(0,1]$ are studied. The convergence of the proposed iterative methods are discussed. The necessary and sufficient co
Autor:
Asmaa M. Al-Dubiban
Publikováno v:
Journal of Inequalities and Applications. 2015(1)
We study the nonlinear matrix equations $X+\sum_{i=1}^{m}A_{i}^{*}X^{-n_{i}}A_{i}=I$ and $X-\sum_{i=1}^{m}A_{i}^{*}X^{-n_{i}}A_{i}=I$ , where $n_{i}$ are positive integers for $i=1,2,\ldots,m$ . The iterative algorithms for obtaining positive definit