Based on the Lagrange formula with constants variables, some new sufficient conditions for ensuring globally exponential stability of such systems are derived.
基于拉格朗日常数变易法，给出这类系统全局指数稳定的一个充分条件。
The improved formula not only has the more simple form for the derivation of the function, but also much less computer time than the Lagrange method.
与常用的拉格朗日插值方法相比，改进后的公式不仅一阶导数形式简单，而且计算量也小得多。
The improved formula not only has the more simple form for the derivation of the function, but also much less computer time than the Lagrange method.
与常用的拉格朗日插值方法相比，改进后的公式不仅一阶导数形式简单，而且计算量也小得多。
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