PETSc version 3.15.5
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PCMGMatResidualTransposeDefault

Default routine to calculate the residual of the transposed linear system

Synopsis

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

Input Parameters

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

Output Parameter

r - location to store the residual

See Also

PCMGSetMatResidualTranspose()

Level

developer

Location

src/ksp/pc/impls/mg/mgfunc.c
Index of all PC routines
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