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math.NA2022
Filtering for Anderson acceleration
Sara Pollock, Leo G. Rebholz
This work introduces, analyzes and demonstrates an efficient and theoretically sound filtering strategy to ensure the condition of the least-squares problem solved at each iteratio…
math.NA2022★ 6 cited
Newton-Anderson at Singular Points
Matt Dallas, Sara Pollock
In this paper we develop convergence and acceleration theory for Anderson acceleration applied to Newton's method for nonlinear systems in which the Jacobian is singular at a solut…