PCBDDCSetChangeOfBasisMat#

Sets a user-defined change of basis for PCBDDC

Synopsis#

#include "petscpc.h" 
PetscErrorCode PCBDDCSetChangeOfBasisMat(PC pc, Mat change, PetscBool interior)

Collective

Input Parameters#

pc - the preconditioning context
change - the change-of-basis matrix, with the same global and local sizes as the operator
interior - PETSC_TRUE if the change of basis modifies interior degrees of freedom

See Also#

KSP: Linear System Solvers, PCBDDC

Level#

intermediate

Location#

src/ksp/pc/impls/bddc/bddc.c

Implementations#

PCBDDCSetChangeOfBasisMat_BDDC() in src/ksp/pc/impls/bddc/bddc.c

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Index of all manual pages