Skip to main content
`Ctrl`+`K`

# EPS_REFINED

The refined Ritz extraction method [Jia, 1997].

## Note

Currently implemented only in `EPSARNOLDI`.

## References

[Jia97]

Z. Jia. Refined iterative algorithms based on Arnoldi's process for large unsymmetric eigenproblems. Linear Algebra Appl., 259(1–3):1–23, 1997. doi:10.1016/S0024-3795(96)00238-8.

## See Also

EPS: Eigenvalue Problem Solver, `EPSExtraction`, `EPSSetExtraction()`

## Level

advanced

## Location

include/slepceps.h

Index of all EPS routines Table of Contents for all manual pages Index of all manual pages