期刊
JOURNAL OF APPLIED ANALYSIS AND COMPUTATION
卷 11, 期 1, 页码 404-421出版社
WILMINGTON SCIENTIFIC PUBLISHER, LLC
DOI: 10.11948/20200050
关键词
Fuzzy difference equation; boundedness; equilibrium point; asymptotic behavior
资金
- Scientific Research Fund of Chengdu University of Information Technology of China [KYTZ201820]
- Sichuan Science and Technology Program of China [2018JY0480]
- scientific research fund of the Yunnan Provincial Education Department of China [2018JS737]
This paper investigates the existence, uniqueness, boundedness, and stability of solutions to high-order nonlinear fuzzy difference systems, and validates the theoretical results with numerical examples.
This paper is concerned with the following high-order nonlinear fuzzy difference system x(n+1) = Ax(n-m)/B + C Pi(m)(i=0) x(n-i), n = 0, 1, 2, ..., where x(n) is a sequence of positive fuzzy numbers, the parameters and the initial conditions x(-m), x(-m+1), ..., x(0) are positive fuzzy numbers, m is non-negative integer. More accurately, our main purpose is to study the existence and uniqueness of the positive solutions, the boundedness of the positive solutions, the instability, local asymptotic stability and global asymptotic stability of the equilibrium points for the above equation by using the iteration method, the inequality skills, the mathematical induction, and the monotone boundedness theorem. Moreover, some numerical examples to the difference system are given to verify our theoretical results.
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