On the convergence of quadratic spline interpolants |
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| Authors: | Edward Neuman Jochen W. Schmidt |
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| Affiliation: | Institute of Computer Science, University of Wroclaw, ul. Przesmyckiego 20, 51-151 Wroclaw, Poland;Department of Mathematics, Technical University of Dresden, Mommsenstrasse 13, DDR-8027 Dresden, East Germany |
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| Abstract: | Characterization and uniqueness of minimax approximation by the product PQ of two finite dimensional subspaces P and Q is studied. Some approximants may have no standard characterization since PQ may not be a sun, but interior points do have the standard linear characterization. |
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