Abstract
Equations of the form (10.3.1) or (10.5.14) are indefinite and require special care to solve. We will now consider one class of algorithms which involve a penalty method to enforce the second equation in (10.3.1) or (10.5.14). These algorithms transform the linear algebra to positive-definite problems in many cases. Moreover, the number of unknowns in the algebraic system can also be significantly reduced.
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© 1994 Springer Science+Business Media New York
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Brenner, S.C., Scott, L.R. (1994). Iterative Techniques for Mixed Methods. In: The Mathematical Theory of Finite Element Methods. Texts in Applied Mathematics, vol 15. Springer, New York, NY. https://doi.org/10.1007/978-1-4757-4338-8_12
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DOI: https://doi.org/10.1007/978-1-4757-4338-8_12
Publisher Name: Springer, New York, NY
Print ISBN: 978-1-4757-4340-1
Online ISBN: 978-1-4757-4338-8
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