# NEPSortEigenvalues

Sorts a list of eigenvalues according to the criterion specified via NEPSetWhichEigenpairs().

### Synopsis

    #include "slepcnep.h"
    PetscErrorCode NEPSortEigenvalues(NEP nep,PetscInt n,PetscScalar *eig,PetscInt *perm)

Not Collective

### Input Parameters

| nep | - the nonlinear eigensolver context
| n | - number of eigenvalues in the list
| eig | - pointer to the array containing the eigenvalues

### Output Parameter

perm - resulting permutation

### Note

The result is a list of indices in the original eigenvalue array corresponding to the first nev eigenvalues sorted in the specified criterion.

### See Also

NEPSetWhichEigenpairs()

Location: src/nep/interface/nepsolve.c
Index of all NEP routines
Table of Contents for all manual pages
Index of all manual pages