A reliable numerical scheme for a computer virus propagation model

In this paper, we develop the Mickens’ methodology to construct a dynamically consistent Non-Standard Finite Difference (NSFD) scheme for a recognized computer virus propagation model. It is proved that the constructed NSFD scheme correctly preserves essential mathematical features of the continuous-time model, which are positivity, boundedness and asymptotic stability.
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A reliable numerical scheme for a computer virus propagation model