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,
  MAT_SCHUR_COMPLEMENT_AINV_BLOCK_DIAG,
  MAT_SCHUR_COMPLEMENT_AINV_FULL
} MatSchurComplementAinvType;

See Also

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

Level

intermediate

Location

include/petscksp.h

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Index of all KSP routines
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