petsc-3.7.3 2016-07-24
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# MatSchurComplementAinvType

Determines how to approximate the inverse of the (0,0) block in Schur complement preconditioning matrix assembly routines

### Synopsis

    typedef enum {MAT_SCHUR_COMPLEMENT_AINV_DIAG, MAT_SCHUR_COMPLEMENT_AINV_LUMP} MatSchurComplementAinvType;

### See Also

MatSchurComplementGetAinvType(), MatSchurComplementSetAinvType(), MatSchurComplementGetPmat(), MatGetSchurComplement(), MatCreateSchurComplementPmat()

Level:intermediate
Location: src/ksp/ksp/../../../include/petscksp.h
Index of all KSP routines
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