ST_FILTER_FILTLAN — SLEPc 3.25.1 documentation

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# ST_FILTER_FILTLAN

The polynomial filter is built with FILTLAN (Filtered Lanczos).

## Note

This filter implements the Filtered Lanczos method [Fang and Saad, 2012]. In fact, the implementation adapts files from the FILTLAN package by the same authors, which have been converted for a native integration in SLEPc.

## References

[Fan12]

H. Fang and Y. Saad. A filtered Lanczos procedure for extreme and interior eigenvalue problems. SIAM J. Sci. Comput., 34(4):A2220–A2246, 2012. doi:10.1137/110836535.

## See Also

ST: Spectral Transformation, `STFilterType`, `STFilterSetType()`, `ST_FILTER_CHEBYSHEV`

## Level

intermediate

## Location

include/slepcst.h

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