Physics · Control Systems

What is a main difficulty encountered when using the array method of the Routh-Hurwitz stability criterion?

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1It cannot be used to predict absolute system stability.
2It does not provide an accurate count of right-half plane poles.
3When a pivoting element in a row becomes zero, it requires special termination or epsilon substitution techniques.✓
4It is highly complex to compute the standard non-zero entries of the table.

Correct answer

When a pivoting element in a row becomes zero, it requires special termination or epsilon substitution techniques.

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