Computes a cubic spline interpolant, specifying various endpoint conditions

Shape preserving

One-dimensional and two-dimensional interpolation

Knot sequence given interpolation data

Evaluation and differentiation

Integration

General functions

Splines with fixed knots

Constrained spline fit

Cubic-smoothing spline

Evaluates a polynomial in n variables.

Fits a polynomial to some n dimensional data.

Widget-based interface

Smooth one-dimensional data by error detection.

Computes the coefficients for the Wendland polynomial of type (d,k).

Akima's surface-fitting method

Computes a fit using radial-basis functions

Evaluates a radial-basis fit

Multiscale radial basis interpolation for n-dimensional data.