[petsc-users] -pc_fieldsplit_schur_precondition

Cotter, Colin J colin.cotter at imperial.ac.uk
Wed Dec 4 07:17:42 CST 2019

Dear PETSc users,
  I'm curious: how does PETSc compute the Schur complement matrix under the option pc_fieldsplit_schur_precondition full? Does it use sparse linear algebra?

all the best

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