Szukana fraza: [Abstract = "The solutions to the Rational Covariance Extension Problem \(RCEP\) are parameterized by the spectral zeros. The rational filter with a specified numerator solving the RCEP can be determined from a known convex optimization problem. However, this optimization problem may become ill\-conditioned for some parameter values. A modification of the optimization problem to avoid the ill\-conditioning is proposed and the modified problem is solved efficiently by a continuation method."]

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