KSPSetResidualHistory

Sets the array used to hold the residual history. If set, this array will contain the residual norms computed at each iteration of the solver.

Synopsis

int KSPSetResidualHistory(KSP ksp, double *a, int na,PetscTruth reset)
Not Collective

Input Parameters

ksp - iterative context obtained from KSPCreate()
a - array to hold history
na - size of a
reset - PETSC_TRUE indicates the history counter is reset to zero for each new linear solve

Keywords

KSP, set, residual, history, norm

See Also

KSPGetResidualHistory()

Examples

src/snes/examples/tutorials/ex6.c

Level:advanced
Location:src/sles/ksp/interface/itfunc.c
KSP Index
Table of Contents