MatFactorInvertSchurComplement#

Invert the Schur complement matrix computed during the factorization step

Synopsis#

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

Logically Collective

Input Parameter#

F - the factored matrix obtained by calling MatGetFactor()

Notes#

Must be called after MatFactorSetSchurIS().

Call MatFactorGetSchurComplement() or MatFactorCreateSchurComplement() AFTER this call to actually compute the inverse and get access to it.

See Also#

Matrices, Mat, MatGetFactor(), MatFactorSetSchurIS(), MatFactorGetSchurComplement(), MatFactorCreateSchurComplement()

Level#

advanced

Location#

src/mat/interface/matrix.c

Index of all Mat routines
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Index of all manual pages