M. Schweitzer

activity

20232026

most citedThe Fréchet derivative of the tensor t-function

3 citations · 4 across the 9 of their papers we have counts for

collaborators

Showing 2026Show all

2 papers · 1 filter

math.NA2026

On the stability of basis construction in extended Krylov subspace methods

Kathryn Lund, Marcel Schweitzer

Extended Krylov subspace methods (EKSMs) are a well known approach for approximating the action of a matrix function on a vector $f (A) b$ , and their block versions are ofte…

math.NA2026

Field-of-values analysis of augmented Krylov methods for matrix $φ$ -function actions

Xiaobo Liu, Marcel Schweitzer

We revisit established Krylov subspace methods for linear combinations of matrix $φ$ -function actions from the viewpoint of the block triangular formulation of Al-Mohy and Liu [SIA…

On the stability of basis construction in extended Krylov subspace methods

Field-of-values analysis of augmented Krylov methods for matrix φ-function actions

Field-of-values analysis of augmented Krylov methods for matrix $φ$ -function actions