Generalized Least Squares Fit By Orthogonal Polynomials (Algorithm 296 [E2]) CACM November, 1969 Watson, W. T. least squares, curve fitting, orthogonal polynomials, three-term recurrence, polynomial regression, approximation, Forsythe's method 5.13 5.5 CA691114 JB February 15, 1978 12:06 PM 1816 4 1816 125 5 1816 1816 5 1816 1816 5 1816 1816 5 1816