petsc-3.14.5 2021-03-03
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# PCBDDCSetChangeOfBasisMat

Set user defined change of basis for dofs

### Synopsis

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

Collective on PC

### Input Parameters

| pc | - the preconditioning context
| change | - the change of basis matrix
| interior | - whether or not the change of basis modifies interior dofs

### Notes

### See Also

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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