Szukana fraza: [Abstract = "This paper deals with a numerical method for data fitting and estimation of continuous higher\-order derivatives of a given signal from its non\-exact sampled data. The proposed algorithm is a generalization of the algorithm proposed by Reinsch \(1967\). This algorithm is conceived as a key element in the structure of the numerical observer discussed in our recent papers. Satisfactory results are obtained which prove the efficiency of the proposed approach."]

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