On Computational Order of Convergence of some Multi-Precision Solvers of Nonlinear Systems of Equations

Details On Computational Order of Convergence of some Multi-Precision Solvers of Nonlinear Systems of Equations On Computational Order of Convergence of some Multi-Precision Solvers of Nonlinear Systems of Equations

2011-06-06

arxiv.org/abs/1106.0994v1

Mathematics

Numerical Analysis

Scientific paper

In this paper the local order of convergence used in iterative methods to solve nonlinear systems of equations is revisited, where shorter alternative analytic proofs of the order based on developments of multilineal functions are shown. Most important, an adaptive multi-precision arithmetics is used hereof, where in each step the length of the mantissa is defined independently of the knowledge of the root. Furthermore, generalizations of the one dimensional case to m-dimensions of three approximations of computational order of convergence are defined. Examples illustrating the previous results are given.

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