Analysis of the inexact Uzawa algorithms for nonlinear saddle point problems

Li Jian lei, Ting-Zhu Huang, Li Liang

Abstract


Inexact Uzawa algorithms for solving nonlinear saddle-point problems are proposed. A simple sufficient condition for the convergence of the inexact Uzawa algorithms is obtained. Numerical experiments show that the inexact Uzawa algorithms are convergent.

doi:10.1017/S1446181110000829

Keywords


convergence analysis; inexact Uzawa algorithm; iterative methods; nonlinear saddle-point problems; preconditioner



DOI: http://dx.doi.org/10.21914/anziamj.v51i0.2036



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ANZIAM Journal, ISSN 1446-8735, copyright Australian Mathematical Society.