DOE OSTI · 2202793
Symmetric Random Butterfly Transform (SRBT) Based Preconditioner
Abstract
Summary of work using Symmetric Random Butterfly Transformation (SRBT) in conjunction with Incomplete LDL T factorization as a preconditioner for FGMRES solver as a way of solving linear systems arising from interior point methods applied to power system problems. These linear systems have proven difficult to parallelize and this represents a possible route forward.
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Maack, Jonathan (ORCID:0000000304325753). 2023-10-12. Symmetric Random Butterfly Transform (SRBT) Based Preconditioner. https://www.osti.gov/biblio/2202793
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