Class K1a1a2 ... Unconstrained linear least squares polynomial approximation on univariate data (curve fitting)

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Modules for class K1a1a2

• DRLINE (RLINE) Fit a line to a set of data points using least squares.
• RLINE (DRLINE) Fit a line to a set of data points using least squares.

• DRPOLY (RPOLY) Analyze a polynomial regression model.
• RPOLY (DRPOLY) Analyze a polynomial regression model.

• E02ADF Computes weighted least-squares polynomial approximations to an arbitrary set of ...
• E02AFF Computes the coefficients of a polynomial, in its Chebyshev series form, which i ...

• NAG_1D_CHEB_INTERP_FIT Computes the coefficients of a polynomial, in its Chebyshev series form, which i ...
• NAG_1D_CHEB_FIT Computes weighted least-squares polynomial approximations to an arbitrary set of ...

• DPOLFT (POLFIT) Fit discrete data in a least squares sense by polynomials in one variable.
• POLFIT (DPOLFT) Fit discrete data in a least squares sense by polynomials in one variable.