PETSc version 3.17.0
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# MatLMVMGetJ0PC

Returns a pointer to the internal PC object associated with the initial Jacobian.

### Synopsis

    #include "petscksp.h"
    PetscErrorCode MatLMVMGetJ0PC(Mat B, PC *J0pc)

### Input Parameters

| B | - An LMVM-type matrix

### Output Parameter

| J0pc | - PC object for defining the initial inverse-Jacobian

### See Also

MatLMVMSetJ0PC()

### Level

advanced

### Location

src/ksp/ksp/utils/lmvm/lmvmutils.c
Index of all KSP routines
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