Algebraic criteria for positive realness
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D.D. Šiljak
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Article
📅
1973
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Elsevier Science
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English
⚖ 516 KB
A purely algebraic algorithm is developed for testing positive real character of real rational functions and matrices relative to the unit circle in the complex plane. Since the algorithm is entirely recursive and is performed in finite xumber of steps, it is suitable for machine computations.