PCSchurSetGradientOperator

his function sets the operator and its transpose, which define the constraint manifold in the saddle-point problem. For instance, in the Stokes problem, this operator is the gradient, and its transpose is the divergence. It must be called prior to PCSetUp().

Synopsis

#include "pc.h" 
int PCSchurSetGradientOperator(PC pc, int gradOp, int divOp)
Collective on PC

Input Parameters

pc - The preconditioner context
gradOp - The gradient operator
divOp - The divergence operator

Keywords

schur, set, gradient

See Also

PCSchurGetIterationNumber()

Level:intermediate
Location:
src/sles/pc/impls/schur/schur.c
Index of all PC routines
Table of Contents for all manual pages
Index of all manual pages