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The Computer Journal 1976 19(1):74-78; doi:10.1093/comjnl/19.1.74
© 1976 by British Computer Society
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An interactive polynomial approximation algorithm

K.-H. Mohn1 * and R. V. Roman2 §

1 Ruhr University Bochum, Rechenzentrum, 463 Bochum-Querenburg, Universitatsstrasse 150, West Germany, 2 Purdue University, Lafayette, Indiana, USA

The Remez algorithm for Chebyshev approximation of real continuous functions is adapted to an interactive environment. With the aid of a graphic display terminal the user is directly involved in each iteration, contributing global human logic and controlling the extent of iterative refinement. The underlying mathematics, an implementation description, and several illustrative examples are presented.

Received May 1974.

* Ruhr University Bochum, Rechenzentrum, 463 Bochum-Querenburg, Universitätsstrasse 150, West Germany. While visiting Purdue University Computer Sciences Department, 1971-1972.

§ Purdue University, Lafayette, Indiana, USA.


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