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# PEP_EXTRACT_NONE

Trivial eigenvector extraction.

## Note

Given the eigenvector of the linearization, \(y\), the eigenvector of the polynomial eigenproblem \(x\) is taken from the first block of \(y\).

## See Also

PEP: Polynomial Eigenvalue Problems, Extraction, `PEPExtract`, `PEPSetExtract()`, `PEP_EXTRACT_NORM`, `PEP_EXTRACT_RESIDUAL`, `PEP_EXTRACT_STRUCTURED`

## Level

intermediate

## Location

include/slepcpep.h

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