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An extension of the routh array for the asymptotic stability of a system of differential equations with complex coefficients
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机译:An extension of the routh array for the asymptotic stability of a system of differential equations with complex coefficients
In this paper, we establish two necessary and sufficient conditions for the asymptotic stability of a system of differential equations with complex coefficients. These conditions are expressed in terms of the partial fraction and continued fraction expansions of a certain function related to the characteristic polynomial of the system. We then work out a systematic procedure for testing the asymptotic stability of an nxn complex system, and we show how our results generalize the well-known Routh criterion for the asymptotic stability of an nxn real system.
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