Which of the following is a necessary condition for a characteristic polynomial to satisfy the Routh-Hurwitz Stability criterion?

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Physics · Control Systems

Verified Solution4 OptionsUpdated: October 2026👁️1 View

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All the coefficients of the characteristic polynomial must be real and positive.

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Answer 1

The constant term of the polynomial must be zero.

Answer 2

All the coefficients of the characteristic polynomial must be real and positive.

Answer 3

All coefficients must have alternating signs.

Answer 4

The number of negative and positive coefficients should be equal.

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