the_direct_differential_method

1.The practical stability in terms of two measures of impulsive differential systems and its perturbed systems is developed by Lyapunov direct method.
运用李雅普·诺夫直接方法研究了脉冲微分系统及其摄动系统关于两个测度的实际稳定性。
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2.The idea and basic problem in variable structure control, differential geometry method on feedback linearization , inverse system method, direct feedback linearization method are mainly described.
主要介绍了变结构控制、反馈线性化的微分几何方法、逆系统方法、直接反馈线性化等方法的基本思想和基本问题。
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3.In this paper, we derived the conservation laws of 1 + 1, 2 + 1 dimensional differential-difference equations on the base of discrete spectral problems through a direct method.
本文基于谱问题的特点利用直接方法导出了1 + 1、2 + 1维微分—差分方程的无穷多守恒律。
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