slepc-3.19.2 2023-09-05
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# MFNGetDimensions

Gets the dimension of the subspace used by the solver.

### Synopsis

    #include "slepcmfn.h"
    PetscErrorCode MFNGetDimensions(MFN mfn,PetscInt *ncv)

Not Collective

### Input Parameter

| mfn | - the matrix function context

### Output Parameter

| ncv | - the maximum dimension of the subspace to be used by the solver

### See Also

MFNSetDimensions()

### Level

intermediate

### Location

src/mfn/interface/mfnopts.c

### Examples

src/mfn/tutorials/ex23.c
src/mfn/tutorials/ex23f90.F90
src/mfn/tutorials/ex37.c
Index of all MFN routines
Table of Contents for all manual pages
Index of all manual pages