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  • PCMatApplyTranspose

PCMatApplyTranspose#

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

Synopsis#

#include "petscksp.h" 
PetscErrorCode PCMatApplyTranspose(PC pc, Mat X, Mat Y)

Collective

Input Parameters#

  • pc - the PC preconditioner context

  • X - block of input vectors

Output Parameter#

  • Y - block of output vectors

See Also#

KSP: Linear System Solvers, PC, PCApplyTranspose(), KSPMatSolveTranspose()

Level#

developer

Location#

src/ksp/pc/interface/precon.c

Examples#

src/ksp/ksp/tutorials/ex79.c

Implementations#

PCMatApplyTranspose_ASM() in src/ksp/pc/impls/asm/asm.c
PCMatApplyTranspose_Cholesky() in src/ksp/pc/impls/factor/cholesky/cholesky.c
PCMatApplyTranspose_ILU() in src/ksp/pc/impls/factor/ilu/ilu.c
PCMatApplyTranspose_LU() in src/ksp/pc/impls/factor/lu/lu.c
PCMatApplyTranspose_HPDDMShell() in src/ksp/pc/impls/hpddm/pchpddm.cxx
PCMatApplyTranspose_KSP() in src/ksp/pc/impls/ksp/pcksp.c
PCMatApplyTranspose_MG() in src/ksp/pc/impls/mg/mg.c
PCMatApplyTranspose_Shell() in src/ksp/pc/impls/shell/shellpc.c


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

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  • Input Parameters
  • Output Parameter
  • See Also
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Last updated on 2025-08-31T03:45:21-0500 (v3.23.6-522-g51b144c619af).