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IEICE TRANSACTIONS on transactions

Computational Complexity of Calculating Solutions for a Certain Class of Uniquely Solvable Nonlinear Equation by Homotopy Method

Mitsunori MAKINO, Shin'ichi OISHI, Masahide KASHIWAGI, Kazuo HORIUCHI

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Summary :

A priori estimation is presented for a computational complexity of the homotopy method applying to a certain class of uniquely solvable nonlinear equations. In the first place, the reason is explained why a computational complexity of the homotopy method can not be a priori estimated in general. In this paper, the homotopy algorithm is considered in which a numerical path following algorithm is executed based on the simplified Newton method. Then by introducing Urabe's theorem, which gives a sufficient condition guaranteeing the convergence of the simplified Newton method, it is shown that a computational complexity of the algorithm can be a priori estimated, when it is applied to a certain class of uniquely solvable nonlinear equation. In this paper, two types of path following algorithms are considered, one with a numerical error estimation in the domain of a nonlinear operator and another with one in the range of the operator.

Publication
IEICE TRANSACTIONS on transactions Vol.E73-E No.12 pp.1940-1947
Publication Date
1990/12/25
Publicized
Online ISSN
DOI
Type of Manuscript
Special Section PAPER (Special Issue on the 3rd Karuizawa Workshop on Circuits and Systems)
Category
Nonlinear Circuits and Simulation

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