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A new approximation of the Schur complement in preconditioners for PDE‐constrained optimization |
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| Authors: | John W Pearson Andrew J Wathen |
| Institution: | Numerical Analysis Group, Mathematical Institute, University of Oxford, , 24‐29 St. Giles', Oxford, OX1 3LB, UK |
| Abstract: | |
| Keywords: | PDE‐constrained optimization Poisson control preconditioning Schur complement |