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Original Articles

Approximation With Taylor Matching At The Origin

Pages 1019-1024 | Published online: 15 Sep 2010
 

Robust techniques for best approximation by polynomials matching up to given order the Taylor series at {0} are given. Much cheaper robust techniques giving near best results in favorable cases are also given for the same problems. A heuristic technique for matching only the function value at {0} when it is an error extremum is put on a sound theoretical basis and offers possibilities of making rounding error and analytic error cancel, thus reducing their effect.

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