PETSc version 3.17.4
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# MatMumpsSetIcntl

Set MUMPS parameter ICNTL()

### Synopsis

    #include "petscmat.h"
    PetscErrorCode MatMumpsSetIcntl(Mat F,PetscInt icntl,PetscInt ival)

Logically Collective on Mat

### Input Parameters

| F | - the factored matrix obtained by calling MatGetFactor() from PETSc-MUMPS interface
| icntl | - index of MUMPS parameter array ICNTL()
| ival | - value of MUMPS ICNTL(icntl)

### Options Database

| -mat_mumps_icntl_<icntl> <ival> | - change the option numbered icntl to ival

### References

| * | - MUMPS Users' Guide

### See Also

MatGetFactor(), MatMumpsGetIcntl(), MatMumpsSetCntl(), MatMumpsGetCntl(), MatMumpsGetInfo(), MatMumpsGetInfog(), MatMumpsGetRinfo(), MatMumpsGetRinfog()

### Level

beginner

### Location

src/mat/impls/aij/mpi/mumps/mumps.c

### Examples

src/ksp/ksp/tutorials/ex52.c.html
src/ksp/ksp/tutorials/ex52f.F90.html

### Implementations

MatMumpsSetIcntl_MUMPS in src/mat/impls/aij/mpi/mumps/mumps.c
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