slepc-3.20.1 2023-11-27
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PEPSetTarget

Sets the value of the target.

Synopsis

#include "slepcpep.h" 
PetscErrorCode PEPSetTarget(PEP pep,PetscScalar target)
Logically Collective

Input Parameters

pep  - eigensolver context
target  - the value of the target

Options Database Key

-pep_target <scalar>  - the value of the target

Notes

The target is a scalar value used to determine the portion of the spectrum of interest. It is used in combination with PEPSetWhichEigenpairs().

In the case of complex scalars, a complex value can be provided in the command line with [+/-][realnumber][+/-]realnumberi with no spaces, e.g. -pep_target 1.0+2.0i

See Also

PEPGetTarget(), PEPSetWhichEigenpairs()

Level

intermediate

Location

src/pep/interface/pepbasic.c

Examples

src/pep/tutorials/ex40.c
src/pep/tutorials/ex50.c


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