2 papers
math.NA2020
Multivariate Interpolation in Unisolvent Nodes -- Lifting the Curse of Dimensionality
Michael Hecht, Krzysztof Gonciarz, Jannik Michelfeit +2
We extend Newton and Lagrange interpolation to arbitrary dimensions. The core contribution that enables this is a generalized notion of non-tensorial unisolvent nodes, i.e., nodes…
cs.MS2020
multivar_horner: a python package for computing Horner factorisations of multivariate polynomials
Jannik Michelfeit
Many applications in the sciences require numerically stable and computationally efficient evaluation of multivariate polynomials. Finding beneficial representations of polynomials…