MatSNESMFGetReuseBase#
Determines if the base vector is to be used for differencing even if the function provided to SNESSetFunction() is not the same as that provided to MatMFFDSetFunction().
Synopsis#
#include "petscsnes.h" 
#include "petscdm.h"   
PetscErrorCode MatSNESMFGetReuseBase(Mat J, PetscBool *use)
Logically Collective
Input Parameter#
- J - the - MATMFFDmatrix
Output Parameter#
- use - if true always reuse the base vector instead of recomputing f(u) even if the function in the - MATMFFDis not- SNESComputeFunction()
Note#
See MatSNESMFSetReuseBase()
See Also#
SNES: Nonlinear Solvers, Mat, SNES, MatSNESMFSetReuseBase(), MatCreateSNESMF()
Level#
advanced
Location#
Index of all SNES routines
Table of Contents for all manual pages
Index of all manual pages