PCMultiLevelSetGradientOperator

 his function sets the operator to use as the gradient and its transpose in the multilevel scheme. It must be called prior to PCSetUp().

Synopsis

#include "pc.h" 
int PCMultiLevelSetGradientOperator(PC pc, int Grad, int Div, PetscScalar alpha)
Collective on PC

Input Parameters

pc - The preconditioner context
grad - The gradient operator
div - The divergence operator
alpha - The scalar multiplier for the gradient operator

Keywords

multilevel, operator

See Also

PCMultiLevelSetFields, PCMultiLevelSetNonlinearIterate

Level:intermediate
Location:src/sles/pc/impls/ml/mlInterface.c
Index of all PC routines
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Index of all manual pages