PETSc version 3.17.4
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# MatFactorFactorizeSchurComplement

Factorize the Schur complement matrix computed during the factorization step

### Synopsis

    #include "petscmat.h"
    PetscErrorCode MatFactorFactorizeSchurComplement(Mat F)

Logically Collective on Mat

### Input Parameters

| F | - the factored matrix obtained by calling MatGetFactor()

### Notes

Must be called after MatFactorSetSchurIS().

### References

### See Also

MatGetFactor(), MatFactorSetSchurIS(), MatFactorInvertSchurComplement()

### Level

advanced

### Location

src/mat/interface/matrix.c
Index of all Mat routines
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Index of all manual pages