On approximation of functions from below by splines of the best approximation with free nodes |
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Authors: | A. A. Shumeiko |
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Affiliation: | (1) Dneprodzerzhinsk Technical University, Dneprodzerzhinsk |
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Abstract: | Let M be the set of functions integrable to the power β=(r+1+1/p)-1. We obtain asymptotically exact lower bounds for the approximation of individual functions from the set M by splines of the best approximation of degree rand defect k in the metric of L p. |
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