slepc-3.17.0 2022-03-31
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# PEPJDSetFix

Sets the threshold for changing the target in the correction equation.

### Synopsis

    #include "slepcpep.h"
    PetscErrorCode PEPJDSetFix(PEP pep,PetscReal fix)

Logically Collective on pep

### Input Parameters

| pep | - the eigenproblem solver context
| fix | - threshold for changing the target

### Options Database Key

| -pep_jd_fix | - the fix value

### Note

The target in the correction equation is fixed at the first iterations. When the norm of the residual vector is lower than the fix value, the target is set to the corresponding eigenvalue.

### See Also

PEPJDGetFix()

Location: src/pep/impls/jd/pjd.c
Index of all PEP routines
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Index of all manual pages