slepc-3.15.0 2021-03-31

EPSSetTarget

Sets the value of the target.

Synopsis

#include "slepceps.h" 
PetscErrorCode EPSSetTarget(EPS eps,PetscScalar target)

Logically Collective on eps

Input Parameters

	eps	- eigensolver context
	target	- the value of the target

Options Database Key

-eps_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 EPSSetWhichEigenpairs().

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

Examples