petsc-3.14.6 2021-03-30

MatFactorFactorizeSchurComplement

Factorize the Schur complement matrix computed during the factorization step

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

Logically Collective on Mat

- the factored matrix obtained by calling MatGetFactor()

Must be called after MatFactorSetSchurIS().

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