KSPHPDDMSetDeflationMat#
Sets the deflation space used by Krylov methods in KSPHPDDM with recycling. This space is viewed as a set of vectors stored in a MATDENSE (column major).
Synopsis#
#include "petscksp.h" 
PetscErrorCode KSPHPDDMSetDeflationMat(KSP ksp, Mat U)
Input Parameters#
- ksp - iterative context 
- U - deflation space to be used during - KSPSolve()
See Also#
KSP: Linear System Solvers, KSPHPDDM, KSPCreate(), KSPType, KSPHPDDMGetDeflationMat()
Level#
intermediate
Location#
Examples#
src/ksp/ksp/tutorials/ex75.c
src/ksp/ksp/tutorials/ex75f.F90
Implementations#
KSPHPDDMSetDeflationMat_HPDDM() in src/ksp/ksp/impls/hpddm/hpddm.cxx
Index of all KSP routines
Table of Contents for all manual pages
Index of all manual pages