Exponential Stability of Delayed Hopfield Neural Networks by Using Comparison Method
The exponential stability of delayed Hopfield neural networks is studied by comparison principle. Hopfield neural networks can be regarded as a linear system perturbed by the exterior input. Based on this view of point, the method of variation of coefficient is used to solve the system’s solutions, which are estimated by its comparison system. By this comparison system, which is a linear differential difference equation, and by using theory of linear functional differential equation, some stability criteria are obtained, which is very simple to verified. An examples are given to show the efficiency of the results in this paper.
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