PCMGResidualTransposeDefault#

Default routine to calculate the residual of the transposed linear system

Synopsis#

#include "petscksp.h" 
PetscErrorCode PCMGResidualTransposeDefault(Mat mat, Vec b, Vec x, Vec r)

Collective

Input Parameters#

  • mat - the matrix

  • b - the right-hand-side

  • x - the approximate solution

Output Parameter#

  • r - location to store the residual

See Also#

KSP: Linear System Solvers, PCMG, PCMGSetResidualTranspose(), PCMGMatResidualTransposeDefault()

Level#

developer

Location#

src/ksp/pc/impls/mg/mgfunc.c


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