Class K1a1b ... Unconstrained linear least squares approximation on multivariate data (surface fitting)

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Modules for class K1a1b

• PARSUR Given a set of ordered points f(i,j) in n-space corresponding to grid values (u( ...
• POGRID Fits a function f(x,y) to a set of data points z(i,j) given at nodes (x,y) = (u( ...
• POLAR Fits a smooth function f(x,y) to a set of data scattered over the domain x**2 + ...
• REGRID Fits a smooth bivariate spline function of given degree to a set of data points ...
• SPGRID Fits a smooth bicubic spline to data values r(i,j) defined at points on a latitu ...
• SPHERE Fits a smooth bicubic spherical spline to arbitrarily scattered data values on a ...
• SURFIT Fits a smooth bivariate spline function to a set of scattered data points (x,y,z ...

• BSLS2 (DBSLS2) Compute a two-dimensional tensor-product spline approximant using least squares, ...
• BSLS3 (DBSLS3) Compute a three-dimensional tensor-product spline approximant using least square ...
• DBSLS2 (BSLS2) Compute a two-dimensional tensor-product spline approximant using least squares, ...
• DBSLS3 (BSLS3) Compute a three-dimensional tensor-product spline approximant using least square ...

• E02CAF Forms an approximation to the weighted, least-squares Chebyshev series surface f ...
• E02DAF Forms a minimal, weighted least-squares bicubic spline surface fit with prescrib ...
• E02DCF Computes a bicubic spline approximation to a set of data values, given on a rect ...
• E02DDF Computes a bicubic spline approximation to a set of scattered data. The knots of ...

• NAG_2D_SPLINE_FIT_GRID Computes a bicubic spline approximation to a set of data values, given on a rect ...
• NAG_2D_SPLINE_FIT_SCAT Computes a bicubic spline approximation to a set of scattered data. The knots of ...

• 634 CONST and EVAL: Fortran subroutines for fitting multinomials in a least-squares ...
• 752 SRFPACK: Scattered data fitting with a constrained surface under tension. The do ...
• 805-C Computation of a semidiscrete approximation to a matrix in a weighted norm. Expr ...
• 805-MATLAB Computation of a semidiscrete approximation to a matrix in a weighted norm. Expr ...