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In this paper we construct nonstandard difference schemes, which are dynamically consistent with a metapopulation model formulated by Keymer et al. in 2000, i.e. preserve all dynamical properties of the differential equations of the model. These properties are: monotone convergence, boundedness, local asymptotic stability and especially, global stability of equilibria and non-periodicity of solutions. Numerical examples confirm the obtained theoretical results of the properties of the constructed difference schemes. 相似文献
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本文根据普通示波器显示波形的基本条件,通过对RLC电路暂态过程的分析,给出了几种实用测量电路,并简述了测量振荡参数的基本方法。 相似文献
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