12 citations · 52 across the 24 of their papers we have counts for
Showing math.NAShow all
2 papers · 1 filter
math.NA2023★ 1 cited
Curvature Aligned Simplex Gradient: Principled Sample Set Construction For Numerical Differentiation
Daniel Lengyel, Panos Parpas, Nikolas Kantas +1
The simplex gradient, a popular numerical differentiation method due to its flexibility, lacks a principled method by which to construct the sample set, specifically the location o…
math.NA2022
Using Witten Laplacians to locate index-1 saddle points
Tony Lelièvre, Panos Parpas
We introduce a new stochastic algorithm to locate the index-1 saddle points of a function , with possibly large. This algorithm can be seen as an e…