在考虑三维有界区域的一般情况下，提出了一类分数步长特征差分格式。
For a general case of three dimensional bounded region, we put forward a kind of fractional step characteristic difference schemes.
通过理论分析，证明了闭环系统是半全局一致终结有界的，跟踪误差收敛到一个小的残差集内。
By theoretical(analysis, ) the closed-loop control system is proven to be semiglobally uniformly ultimately bounded, (with) tracking error converging to a residual set.
考虑一类含有多个滞量的中立型差分方程，获得了该方程存在有界正解的一个充分必要条件。
By discussing a class of the neutral difference equation with several delay arguments, the author deduces a necessary and sufficient condition for the existence of bounded positive solutions.
基于文［1］中的微分差分不等式和有关结果，用统一的方法得到了有界性和稳定性的充分条件。
The sufficient conditions of exponential stability about this system are obtained by matrix measure and delay differential inequality, the results of the paper [1~3] are extended and improved.
基于文［1］中的微分差分不等式和有关结果，用统一的方法得到了有界性和稳定性的充分条件。
The sufficient conditions of exponential stability about this system are obtained by matrix measure and delay differential inequality, the results of the paper [1~3] are extended and improved.
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