[petsc-users] -pc_fieldsplit_schur_precondition

Cotter, Colin J colin.cotter at imperial.ac.uk
Wed Dec 4 07:36:06 CST 2019


>The action of the Schur complement is always MatMult() KSPSolve() MatMult().

OK, so when pc_fieldsplit_schur_precondition is set to full, what actually happens?

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