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math.NA2021
Deterministic matrix sketches for low-rank compression of high-dimensional simulation data
Alec Michael Dunton, Alireza Doostan
Matrices arising in scientific applications frequently admit linear low-rank approximations due to smoothness in the physical and/or temporal domain of the problem. In large-scale…
math.NA2020
Mixed precision matrix interpolative decompositions for model reduction
Alec Michael Dunton, Alyson Fox
Renewed interest in mixed-precision algorithms has emerged due to growing data capacity and bandwidth concerns, as well as the advancement of GPUs, which enable significant speedup…