New stopping criteria for iterative root finding

A set of simple stopping criteria is presented, which improve the efficiency of iterative root finding by terminating the iterations immediately when no further improvement of the roots is possible. The criteria use only the function evaluations already needed by the root finding procedure to which...

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Main Author: Jorgen L. Nikolajsen
Format: Article
Language:English
Published: The Royal Society 2014-01-01
Series:Royal Society Open Science
Subjects:
Online Access:https://royalsocietypublishing.org/doi/pdf/10.1098/rsos.140206
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author Jorgen L. Nikolajsen
author_facet Jorgen L. Nikolajsen
author_sort Jorgen L. Nikolajsen
collection DOAJ
description A set of simple stopping criteria is presented, which improve the efficiency of iterative root finding by terminating the iterations immediately when no further improvement of the roots is possible. The criteria use only the function evaluations already needed by the root finding procedure to which they are applied. The improved efficiency is achieved by formulating the stopping criteria in terms of fractional significant digits. Test results show that the new stopping criteria reduce the iteration work load by about one-third compared with the most efficient stopping criteria currently available. This is achieved without compromising the accuracy of the extracted roots.
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spelling doaj.art-41c0cf45ea3b43eaa8656d63c56881a72022-12-22T01:07:14ZengThe Royal SocietyRoyal Society Open Science2054-57032014-01-011210.1098/rsos.140206140206New stopping criteria for iterative root findingJorgen L. NikolajsenA set of simple stopping criteria is presented, which improve the efficiency of iterative root finding by terminating the iterations immediately when no further improvement of the roots is possible. The criteria use only the function evaluations already needed by the root finding procedure to which they are applied. The improved efficiency is achieved by formulating the stopping criteria in terms of fractional significant digits. Test results show that the new stopping criteria reduce the iteration work load by about one-third compared with the most efficient stopping criteria currently available. This is achieved without compromising the accuracy of the extracted roots.https://royalsocietypublishing.org/doi/pdf/10.1098/rsos.140206stopping criteriaroot findingfractional significant digits
spellingShingle Jorgen L. Nikolajsen
New stopping criteria for iterative root finding
Royal Society Open Science
stopping criteria
root finding
fractional significant digits
title New stopping criteria for iterative root finding
title_full New stopping criteria for iterative root finding
title_fullStr New stopping criteria for iterative root finding
title_full_unstemmed New stopping criteria for iterative root finding
title_short New stopping criteria for iterative root finding
title_sort new stopping criteria for iterative root finding
topic stopping criteria
root finding
fractional significant digits
url https://royalsocietypublishing.org/doi/pdf/10.1098/rsos.140206
work_keys_str_mv AT jorgenlnikolajsen newstoppingcriteriaforiterativerootfinding