PETSc version 3.17.0
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# PetscDSUseJacobianPreconditioner

Whether to construct a Jacobian preconditioner

### Synopsis

    #include "petscds.h"
    PetscErrorCode PetscDSUseJacobianPreconditioner(PetscDS prob, PetscBool useJacPre)

Not collective

### Input Parameters

| prob | - The PetscDS
| useJacPre | - flag that enables construction of a Jacobian preconditioner

### See Also

PetscDSGetJacobianPreconditioner(), PetscDSSetJacobianPreconditioner(), PetscDSGetJacobian()

### Level

intermediate

### Location

src/dm/dt/interface/dtds.c
Index of all DT routines
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Index of all manual pages