opoly

PURPOSE ^

DESCRIPTION ^

   opolyfit     OPOLYFIT(x,y,n) finds the n coefficients of a polynomial
         formed from the data in row vector x that fits the data
         in row vector y in a least-squares sense. Orthogonal
         polynomials are used to improve accuracy. See also polyfit.

         c = opolyfit(x,y,n)
         c  ---    coefficient vector, size n

         References:
         G. E. Forsythe, "Generation and use of orthogonal poly-
         nomials for data fitting on a digital computer",
         J. SIAM, 5(1957), 74-88.

         P. F. Hultquist, "Numerical Methods for Engineers and
         Computer Scientists", Benjamin-Cummings, 1988.

         Copyright 1992. Gordon    J. Frazer, Signal Processing Research
         Laboratory, and Roy J. Hughes, Laboratory for Instrumental and
         Developmental Chemistry, QUT, Brisbane, AUSTRALIA, 1992.
         Email:    g.frazer@qut.edu.au or    r.hughes@qut.edu.au

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