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math.NA2013
A practical factorization of a Schur complement for PDE-constrained Distributed Optimal Control
Youngsoo Choi, Charbel Farhat, Walter Murray +1
A distributed optimal control problem with the constraint of a linear elliptic partial differential equation is considered. A necessary optimality condition for this problem forms…
math.NA2011★ 3 cited
Matrix-Free Approximate Equilibration
Andrew M. Bradley, Walter Murray
The condition number of a diagonally scaled matrix, for appropriately chosen scaling matrices, is often less than that of the original. Equilibration scales a matrix so that the sc…