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math.NA2025
A Warm-basis Method for Bridging Learning and Iteration: a Case Study in Fluorescence Molecular Tomography
Ruchi Guo, Jiahua Jiang, Bangti Jin +2
Fluorescence Molecular Tomography (FMT) is a widely used non-invasive optical imaging technology in biomedical research. It usually faces significant accuracy challenges in depth r…
math.NA2023
Augmented Flexible Krylov Subspace methods with applications to Bayesian inverse problems
Malena Sabate Landman, Jiahua Jiang, Jianru Zhang +1
This paper presents two new augmented flexible (AF)-Krylov subspace methods, AF-GMRES and AF-LSQR, to compute solutions of large-scale linear discrete ill-posed problems that can b…