slepc-3.23.1 2025-05-01
   
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 <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
src/mfn/interface/mfnopts.c
Index of all MFN routines
Table of Contents for all manual pages
Index of all manual pages