Alp Kalpalp <[email protected]> writes: > Thanks for the answers, > > Jed, PCPG stands for Preconditioned
Acronyms like PCG were outdated before I was born, much like "digital computer". All Krylov methods in PETSc are preconditioned; let's not contribute to meaningless acronyms. > Conjugate Projected Gradient. Since any FETI literature suggests PCPG, > I am planning to go stick with it. My plan is to extend your KSPCG > algorithm with optional application of projection space and > re-orthogonalizations. Great.
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