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The Computer Journal 1961 4(3):260-264; doi:10.1093/comjnl/4.3.260
© 1961 by British Computer Society
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Some Orthogonal Methods of Curve and Surface Fitting

J. H. Cadwell and D. E. Williams

R.A.E., Farnborough, Hants., UK

Extensions of the Forsythe method of curve fitting to surface fitting with a general set of data points are described. Attention is drawn to the use of the Gram-Schmidt process in such problems. The fitting of curves defined by the product of a known function and an arbitrary polynomial is discussed. This procedure is applied to defining a curve with vertical tangents or vertical asymptotes, and to fitting a polynomial satisfying certain restrictions at a specified point.


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