Showing math.NAShow all
2 papers · 1 filter
math.NA2026
Nonlinear RMM-GKS for Large-Scale Dynamic and Streaming Inverse Problems with Uncertain Forward Operators
Toluwani Okunola, Mirjeta Pasha, Misha E. Kilmer +2
Many practical imaging systems suffer from uncertainty in acquisition geometry -- such as projection angles in computed tomography or sensor positions in photoacoustic tomography -…
math.NA2025
An Adaptive Mixed Precision and Dynamically Scaled Preconditioned Conjugate Gradient Algorithm
Yichen Guo, Eric de Sturler, Tim Warburton
We propose an adaptive mixed precision and dynamically scaled preconditioned conjugate gradient algorithm (AMP-PCG). It dynamically adjusts the precision for storing vectors and co…