petsc-3.13.6 2020-09-29
KSPHPDDMGetDeflationSpace
Gets the deflation space computed by Krylov methods with recycling or NULL if KSPSolve() has not been called yet. This space is viewed as a set of vectors stored in a MATDENSE (column major). It is the responsibility of the user to free the returned Mat.
Synopsis
#include "petscksp.h"
PetscErrorCode KSPHPDDMGetDeflationSpace(KSP ksp, Mat *U)
Input Parameter
ksp -iterative context
Output Parameter
U -deflation space generated during KSPSolve()
See Also
KSPCreate(), KSPType (for list of available types), KSPHPDDMSetDeflationSpace()
Level
intermediate
Location
src/ksp/ksp/impls/hpddm/hpddm.cxx
Examples
src/ksp/ksp/tutorials/ex75.c.html
src/ksp/ksp/tutorials/ex75f.F90.html
Implementations
KSPHPDDMGetDeflationSpace_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