75 citations · 156 across the 12 of their papers we have counts for
Showing math.NAShow all
2 papers · 1 filter
math.NA2023
Preconditioner Design via the Bregman Divergence
Andreas Bock, Martin S. Andersen
We study a preconditioner for a Hermitian positive definite linear system, which is obtained as the solution of a matrix nearness problem based on the Bregman log determinant diver…
math.NA2017★ 12 cited
A Convex Reconstruction Model for X-ray Tomographic Imaging with Uncertain Flat-fields
Hari Om Aggrawal, Martin Skovgaard Andersen, Sean Rose +1
Classical methods for X-ray computed tomography are based on the assumption that the X-ray source intensity is known, but in practice, the intensity is measured and hence uncertain…