petsc-master 2020-08-10
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PCMatApply

Applies the preconditioner to multiple vectors stored as a MATDENSE. Like PCApply(), Y and X must be different matrices.

Synopsis

#include "petscksp.h" 
PetscErrorCode  PCMatApply(PC pc,Mat X,Mat Y)
Collective on PC

Input Parameters

pc - the preconditioner context
X - block of input vectors

Output Parameter

Y -block of output vectors

See Also

PCApply(), KSPMatSolve()

Level

developer

Location

src/ksp/pc/interface/precon.c

Examples

src/ksp/ksp/tutorials/ex79.c.html

Implementations

PCMatApply_ASM in src/ksp/pc/impls/asm/asm.c
PCMatApply_BJacobi_Singleblock in src/ksp/pc/impls/bjacobi/bjacobi.c
PCMatApply_BJacobi_Multiproc in src/ksp/pc/impls/bjacobi/bjacobi.c
PCMatApply_Cholesky in src/ksp/pc/impls/factor/cholesky/cholesky.c
PCMatApply_ICC in src/ksp/pc/impls/factor/icc/icc.c
PCMatApply_ILU in src/ksp/pc/impls/factor/ilu/ilu.c
PCMatApply_LU in src/ksp/pc/impls/factor/lu/lu.c
PCMatApply_GASM in src/ksp/pc/impls/gasm/gasm.c
PCMatApply_HPDDM in src/ksp/pc/impls/hpddm/hpddm.cxx
PCMatApply_KSP in src/ksp/pc/impls/ksp/pcksp.c
PCMatApply_Mat in src/ksp/pc/impls/mat/pcmat.c
PCMatApply_None in src/ksp/pc/impls/none/none.c
PCMatApply_Shell in src/ksp/pc/impls/shell/shellpc.c
PCMatApply_SPAI in src/ksp/pc/impls/spai/ispai.c

Index of all PC routines
Table of Contents for all manual pages
Index of all manual pages