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Description:

Relation of Nyquist criterion and robust stability. Image from course notes, by Mohammed Dahleh, Munther A. Dahleh, and George Verghese.

Alt text:
Two graphs of the Nyquist criterion and robust stability.
Caption:
Relation of Nyquist criterion and robust stability. See Chapter 20 in the Readings section for more details. (Image from course notes, by Mohammed Dahleh, Munther A. Dahleh, and George Verghese.)
Credit:
Image from course notes, by Mohammed Dahleh, Munther A. Dahleh, and George Verghese.
Two graphs of the Nyquist criterion and robust stability.