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本文首先建立了n维线性定常系统的部分变元稳定性的判别法则,进而研究一类非线性时变系统的部分变元稳定性问题,所得定理推广了文献[5]的定理1、2。
In this paper, we first establish the discriminant rule of partial variational stability for n-dimensional linear systems, and then study the stability of some variables for a class of nonlinear time-varying systems. The theorem extends Theorem 1 and 2 [5].