On the Kalman-Yakubovich-Popov lemma. (English) Zbl 0866.93052

Summary: The purpose of this note is to present a new elementary proof for the multivariable Kalman-Yakubovich-Popov lemma. A minimum of linear algebra and finite-dimensional convexity theory is used.


93C35 Multivariable systems, multidimensional control systems
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