A Simple Test for Zeros of a Complex Polynomial in a Sector

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Anderson, B. D.O.
Bose, N. K.
Jury, E. I.

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A simple proof of a recent result for determining whether the zeros of a real polynomial lie within a sector is first given. Secondly, this result is used in a procedure given for confirming whether or not the zeros of an arbitrary complex polynomial lie in a similar sector.

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IEEE Transactions on Automatic Control

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