neville2d

sherpa.utils.neville2d(xinterp, yinterp, x, y, fval)[source] [edit on github]

Polynomial two-dimensional interpolation using Neville’s method.

The scheme used for interpolation (Neville’s method) is described at 1, where the interpolation is done first over the Y axis and then the X axis.

References

1

http://en.wikipedia.org/wiki/Neville%27s_algorithm