PCISSetUseStiffnessScaling

Tells PCIS to construct partition of unity using the local matrices’ diagonal entries

Synopsis

#include "petscpc.h" 
PetscErrorCode PCISSetUseStiffnessScaling(PC pc, PetscBool use)

Logically Collective

Input Parameters

• pc - the preconditioning context

• use - whether or not it should use matrix diagonal to build partition of unity.

See Also

KSP: Linear System Solvers, PCBDDC, PCNN, PCISSetSubdomainDiagonalScaling(), PCISScatterArrayNToVecB(), PCISSetSubdomainScalingFactor(), PCISReset(), PCISInitialize(), PCISApplyInvSchur(), PCISApplySchur()

Level

intermediate

Location

src/ksp/pc/impls/is/pcis.c

Implementations

PCISSetUseStiffnessScaling_IS() in src/ksp/pc/impls/is/pcis.c

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