petsc-dev 2014-08-28
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PCMGResidualDefault

Default routine to calculate the residual.

Synopsis

#include "petscksp.h" 
PetscErrorCode  PCMGResidualDefault(Mat mat,Vec b,Vec x,Vec r)
Collective on Mat and Vec

Input Parameters

mat - the matrix
b - the right-hand-side
x - the approximate solution

Output Parameter

r -location to store the residual

Keywords

MG, default, multigrid, residual

See Also

PCMGSetResidual()

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