#include "petscmat.h" PetscErrorCode MatMFFDSetHHistory(Mat J,PetscScalar history[],PetscInt nhistory)Logically Collective on Mat
| J | - the matrix-free matrix context | |
| histroy | - space to hold the history | |
| nhistory | - number of entries in history, if more entries are generated than nhistory, then the later ones are discarded |