Initial guesses for multi-shift solvers
James C. Osborn
TL;DR
This paper introduces a method for generating initial guesses for multi-shift linear solvers, improving efficiency when solving systems with multiple shifts or sources with different shifts.
Contribution
The paper proposes a novel approach to provide initial guesses for multi-shift solvers, extending to multiple sources with different shifts.
Findings
Reduces computational time for multi-shift systems
Applicable to systems with multiple sources and shifts
Enhances solver efficiency and convergence
Abstract
I will present a method for providing initial guesses to a linear solver for systems with multiple shifts. This can also be extended to the case of multiple sources each with a different shift.
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Taxonomy
TopicsNumerical methods for differential equations · Matrix Theory and Algorithms