Article ID Journal Published Year Pages File Type
473410 Computers & Mathematics with Applications 2011 7 Pages PDF
Abstract

In this paper, the non-standard finite difference method (for short NSFD) is implemented to study the dynamic behaviors in the fractional-order Rössler chaotic and hyperchaotic systems. The Grünwald–Letnikov method is used to approximate the fractional derivatives. We found that the lowest value to have chaos in this system is 2.1 and hyperchaos exists in the fractional-order Rössler system of order as low as 3.8. Numerical results show that the NSFD approach is easy to implement and accurate when applied to differential equations of fractional order.

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Physical Sciences and Engineering Computer Science Computer Science (General)
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