On the Numerical Solution of the Biharmonic Equation and the Role of Squaring Matrices for Preconditioning
- 1 October 1986
- journal article
- Published by Oxford University Press (OUP) in IMA Journal of Numerical Analysis
- Vol. 6 (4) , 393-404
- https://doi.org/10.1093/imanum/6.4.393
Abstract
We consider the mixed-variable finite-element discretization of the biharmonic problem. The numerical solution of the associated linear equations by preconditioned conjugate-gradient methods is studied. The role of squaring matrices for preconditioning is investigated.Keywords
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