MFNSetDimensions#
Sets the dimension of the subspace to be used by the solver.
Synopsis#
#include "slepcmfn.h"
PetscErrorCode MFNSetDimensions(MFN mfn,PetscInt ncv)
Logically Collective
Input Parameters#
mfn - the matrix function context
ncv - the maximum dimension of the subspace to be used by the solver
Options Database Keys#
-mfn_ncv
- Sets the dimension of the subspace
Notes#
Use PETSC_DETERMINE for ncv to assign a reasonably good value, which is dependent on the solution method.
See Also#
MFNGetDimensions()
Level#
intermediate
Location#
Index of all MFN routines Table of Contents for all manual pages Index of all manual pages