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).
Smooth bivariate spline approximation.
See also:
bisplrep, bisplev - an older wrapping of FITPACK UnivariateSpline - a similar class for univariate spline interpolation LSQUnivariateSpline - to create a BivariateSpline using weighted
least-squares fitting