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Software for examples of "Frequency-Domain Identification of Discrete-Time Systems using Sum-of-Rational Optimization"
(2023)This work proposes a computationally tractable method for the identification of canonical discrete-time rational transfer function models, using a finite set of input-output measurements. The problem is formulated in frequency-domain as a global optimization problem whose cost function is the sum of weighted squared residuals at each observed frequency datapoint. It is solved by the moment-sum-of-squares hierarchy of semidefinite programs, ...Software -