We can see the difference between SVI and spline more clearly here. As expected, SVI curves show nice “smiles.” On the other hand, the spline follows the datapoints more closely but can go only as far ...

This is a preview. Log in through your library . Abstract The purpose of this paper is to describe and analyze the new family of methods for bivariate interpolation first reported in [12]. Although ...

This paper is concerned with the problem of existence of monotone and/or convex splines, having degree $n$ and order of continuity $k$, which interpolate to a set of ...