Multiparameter extrapolation and deflation methods for solving equation systems

Andrew Hughes Hallett

International Journal of Mathematics and Mathematical Sciences, 1984, vol. 7, 1-10

Abstract:

Most models in economics and the applied sciences are solved by first order iterative techniques, usually those based on the Gauss-Seidel algorithm. This paper examines the convergence of multiparameter extrapolations (accelerations) of first order iterations, as an improved approximation to the Newton method for solving arbitrary nonlinear equation systems. It generalises my earlier results on single parameter extrapolations. Richardson's generalised method and the deflation method for detecting successive solutions in nonlinear equation systems are also presented as multiparameter extrapolations of first order iterations. New convergence results are obtained for those methods.

Date: 1984
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jijmms:452132

DOI: 10.1155/S0161171284000818

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