Abstract
This paper presents an incomplete Newton-Ulm method (INU) for nonlinear equations. This method uses parts of elements of Jacobian matrix to obtain the next iteration point and does not contain inverse operators in its expression. We discuss and analyze the convergence conditions and semilocal convergence of the new method. Some special INU algorithms are designed and numerical experiments are given. Numerical results show that INU method is effective for large scale nonlinear equations.
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This work is supported by the Jiangsu Province Natural Science Foundation of China (BK20151139) and Fundamental Research Funds for the Central Universities(2012LWA10)
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Wang, H.J., Chen, F., Liu, H. et al. Incomplete Newton-Ulm method for large scale nonlinear equations. Numer Algor 72, 409–424 (2016). https://doi.org/10.1007/s11075-015-0052-0
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DOI: https://doi.org/10.1007/s11075-015-0052-0