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# EPS_REFINED_HARMONIC

The refined harmonic Ritz extraction.

## Note

This is a combination of `EPS_HARMONIC` and `EPS_REFINED`.

## Developer Note

Currently not implemented, reserved for future use.

## See Also

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

## Level

advanced

## Location

include/slepceps.h

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