petsc-3.12.1 2019-10-22
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# PCJacobiSetType

Causes the Jacobi preconditioner to use either the diagonal, the maximum entry in each row, of the sum of rows entries for the diagonal preconditioner

### Synopsis

    #include "petscpc.h"
    PetscErrorCode  PCJacobiSetType(PC pc,PCJacobiType type)

Logically Collective on PC

### Input Parameters

| pc | - the preconditioner context
| type | - PC_JACOBI_DIAGONAL, PC_JACOBI_ROWMAX, PC_JACOBI_ROWSUM

### Options Database Key

-pc_jacobi_type <diagonal,rowmax,rowsum> -

### See Also

PCJacobiaUseAbs(), PCJacobiGetType()

### Level

intermediate

### Location

src/ksp/pc/impls/jacobi/jacobi.c

### Implementations

PCJacobiSetType_Jacobi in src/ksp/pc/impls/jacobi/jacobi.c
Index of all PC routines
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Index of all manual pages