Class K6d ... Other service routines for approximation

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Modules for class K6d

• DATRED Performs data reduction for spline curves and tensor-product spline surfaces. In ...
• DBSPVT Calculates derivatives of B-splines with respect to knots. (Developed by Eric Gr ...
• FUN A collection of test functions for use with approximation algorithms.

• FOURCO Calculates Fourier coefficients of a cubic spline in its B-spline representation ...
• PROFIL Calculates the B-spline coefficients of the univariate spline f(y) = s(u,y) or g ...
• SPROOT Finds zeroes of a cubic spline function, given in its normalized B-spline repres ...

• CHKDER Checks the gradients of m nonlinear functions in n variables, evaluated at a poi ...

• E02ZAF Sorts two-dimensional data into rectangular panels.
• E04NDF Supplies optional parameters to NAG Fortran Library routine E04NCF from an exter ...
• E04NEF Supplies individual optional parameters to NAG Fortran Library routine E04NCF.
• E04YCF Returns estimates of elements of the variance-covariance matrix of the estimated ...

• DCOV (SCOV) Calculate the covariance matrix for a nonlinear data fitting problem. It is inte ...

• CHKDER Checks the gradients of m nonlinear functions in n variables, evaluated at a poi ...

• 564 L1GNR: a Fortran subroutine for generating test problems for discrete linear L-s ...