A comparison of preconditioners for complex-valued matrices

@inproceedings{OseiKuffuor2007ACO,
  title={A comparison of preconditioners for complex-valued matrices},
  author={Daniel Osei-Kuffuor and Yousef Saad},
  year={2007}
}
A number of applications in quantum and plasma physics produce linear systems of equations that can be very challenging to iterative methods. Often these systems are in the complex field and they tend to be highly indefinite, which makes it difficult to extract an effective preconditioner. This paper primarily presents a comparative study of four preconditioners for complex-valued matrices. We compare the memory efficiency and performance of the ARMS, ILUT, ILUC, and ILUK preconditioners on a… CONTINUE READING

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