This is documentation for an old release of SciPy (version 0.7.). Read this page in the documentation of the latest stable release (version 1.15.1).
Univariate spline s(x) of degree k on the interval [xb,xe] calculated from a given set of data points (x,y).
Can include least-squares fitting.
See also:
splrep, splev, sproot, spint, spalde - an older wrapping of FITPACK BivariateSpline - a similar class for bivariate spline interpolation