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<article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Discrete and Continuous Models and Applied Computational Science</journal-id><journal-title-group><journal-title xml:lang="en">Discrete and Continuous Models and Applied Computational Science</journal-title><trans-title-group xml:lang="ru"><trans-title>Discrete and Continuous Models and Applied Computational Science</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2658-4670</issn><issn publication-format="electronic">2658-7149</issn><publisher><publisher-name xml:lang="en">Peoples' Friendship University of Russia named after Patrice Lumumba (RUDN University)</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">43671</article-id><article-id pub-id-type="doi">10.22363/2658-4670-2024-32-4-425-444</article-id><article-id pub-id-type="edn">DIOZWP</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Modeling and Simulation</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Математическое моделирование</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Development and adaptation of higher-order iterative methods in R<sup>n</sup> with specific rules</article-title><trans-title-group xml:lang="ru"><trans-title>Разработка и адаптация итерационных методов высшего порядка в R<sup>n</sup> с конкретными правилами</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-0743-5587</contrib-id><contrib-id contrib-id-type="scopus">24484328800</contrib-id><name-alternatives><name xml:lang="en"><surname>Zhanlav</surname><given-names>T.</given-names></name><name xml:lang="ru"><surname>Жанлав</surname><given-names>Т.</given-names></name></name-alternatives><bio xml:lang="en"><p>Academician, Professor, Doctor of Sciences in Physics and Mathematics</p></bio><email>tzhanlav@yahoo.com</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-1635-7971</contrib-id><contrib-id contrib-id-type="scopus">57209734799</contrib-id><name-alternatives><name xml:lang="en"><surname>Otgondorj</surname><given-names>Kh.</given-names></name><name xml:lang="ru"><surname>Отгондорж</surname><given-names>Х.</given-names></name></name-alternatives><bio xml:lang="en"><p>Associate Professor of Department of Mathematics at School of Applied Sciences, Mongolian University of Science and Technology</p></bio><email>otgondorj@gmail.com</email><xref ref-type="aff" rid="aff2"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Institute of Mathematics and Digital Technology, Mongolian Academy of Sciences</institution></aff><aff><institution xml:lang="ru">Институт математики и цифровой технологии, Монгольская академия наук</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Mongolian University of Science and Technology</institution></aff><aff><institution xml:lang="ru">Монгольский государственный университет науки и технологии</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2024-12-15" publication-format="electronic"><day>15</day><month>12</month><year>2024</year></pub-date><volume>32</volume><issue>4</issue><issue-title xml:lang="en">VOL 32, NO4 (2024)</issue-title><issue-title xml:lang="ru">ТОМ 32, №4 (2024)</issue-title><fpage>425</fpage><lpage>444</lpage><history><date date-type="received" iso-8601-date="2025-04-05"><day>05</day><month>04</month><year>2025</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2024, Zhanlav T., Otgondorj K.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2024, Жанлав Т., Отгондорж Х.</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="en">Zhanlav T., Otgondorj K.</copyright-holder><copyright-holder xml:lang="ru">Жанлав Т., Отгондорж Х.</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">https://creativecommons.org/licenses/by-nc/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://journals.rudn.ru/miph/article/view/43671">https://journals.rudn.ru/miph/article/view/43671</self-uri><abstract xml:lang="en"><p>In this article, we propose fourth- and fifth-order two-step iterative methods for solving the systems of nonlinear equations in <span class="math inline">\(R^n\)</span> with the operations of multiplication and division of vectors. Some of the proposed optimal fourth-order methods are considered as an extension of well-known methods that designed only for solving the nonlinear equations. We also developed <span class="math inline">\(p\)</span> <span class="math inline">\((5 \leqslant p \leqslant 8)\)</span>—order three-point iterative methods for solving the systems of nonlinear equations, that contain some known iterations as particular cases. The computational efficiency of the new methods has been calculated and compared. The outcomes of numerical experiments are given to support the theoretical results concerning convergence order and computational efficiency. Comparative analysis demonstrates the superiority of the developed numerical techniques.</p></abstract><trans-abstract xml:lang="ru"><p>В данной работе мы предлагаем двухшаговые итерационные методы четвёртого и пятого порядков для решения систем нелинейных уравнений в <span class="math inline">\(R^n\)</span> с использованием операций векторного умножения и деления. Некоторые из предложенных оптимальных методов четвёртого порядка рассматриваются как расширение известных методов, разработанных исключительно для решения нелинейных уравнений. Мы также разработали трёхточечные итерационные методы <span class="math inline">\(p\)</span>-порядка <span class="math inline">\((5&#13;
\leq p \leq 8)\)</span> для решения систем нелинейных уравнений, которые включают некоторые известные итерации как частные случаи. Проведён расчёт и сравнение вычислительной эффективности новых методов. Представлены результаты численных экспериментов для подтверждения теоретических выводов относительно порядка сходимости и вычислительной эффективности. Сравнительный анализ демонстрирует превосходство разработанных численных методов.</p></trans-abstract><kwd-group xml:lang="en"><kwd>nonlinear systems</kwd><kwd>newton-type methods</kwd><kwd>order of convergence</kwd><kwd>computational efficiency</kwd><kwd>three-step iteration</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>нелинейные системы</kwd><kwd>методы типа Ньютона</kwd><kwd>порядок сходимости</kwd><kwd>вычислительная эффективность</kwd><kwd>трёхшаговая итерация</kwd></kwd-group><funding-group><funding-statement xml:lang="en">The work was supported partially by the Foundation of Science and Technology of Mongolia under Grant Number MAS_2022/09.</funding-statement></funding-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Behl, R., Cordero, A., Motsa, S. S. &amp; Torregrosa, J. R. Construction of fourth-order optimal families of iterative methods and their dynamics. Applied Mathematics and Computation 271. doi:10.1016/j.amc.2015.08.113 (2015).</mixed-citation></ref><ref id="B2"><label>2.</label><mixed-citation>Cătinas, E. A survey on the high convergence orders and computational convergence orders of sequences. Applied Mathematics and Computation 343. doi:10.1016/j.amc.2018.08.006 (2019).</mixed-citation></ref><ref id="B3"><label>3.</label><mixed-citation>Changbum, C. &amp; Neta, B. Developing high order methods for the solution of systems of nonlinear equations. Applied Mathematics and Computation 344. doi:10.1016/j.amc.2018.09.032 (2019).</mixed-citation></ref><ref id="B4"><label>4.</label><mixed-citation>Changbum, C. &amp; Neta, B. An efficient derivative-Free method for the solution of systems of equations. NumericalFunctionalAnalysisandOptimization 42. doi:10.1080/01630563.2021.1931313 (2021).</mixed-citation></ref><ref id="B5"><label>5.</label><mixed-citation>Ham, Y. &amp; Changbum, C. A fifth-order iterative method for solving nonlinear equations. Applied Mathematics and Computation 194. doi:10.1016/j.amc.2007.04.005 (2007).</mixed-citation></ref><ref id="B6"><label>6.</label><mixed-citation>Wang, X. Fixed-point iterative method with eighth-order constructed by undetermined parameter technique for solving nonlinear systems. 13. doi:10.3390/sym13050863 (2021).</mixed-citation></ref><ref id="B7"><label>7.</label><mixed-citation>Cuyt, A. A. &amp; van der Cruyssen, P. Abstract Padé-approximants for the solution of a system of nonlinear equations. Computers &amp; Mathematics with Applications 9. doi:10.1016/0898-1221(83) 90119-0 (1983).</mixed-citation></ref><ref id="B8"><label>8.</label><mixed-citation>Dehghan, M. &amp; Shirilord, A. Three-step iterative methods for numerical solution of systems of nonlinear equations. Engineering with Computers 38. doi:10.1007/s00366-020-01072-1 (2020).</mixed-citation></ref><ref id="B9"><label>9.</label><mixed-citation>Su, Q. A unified model for solving a system of nonlinear equations. Applied Mathematics and Computation 290. doi:10.1016/j.amc.2016.05.047 (2016).</mixed-citation></ref><ref id="B10"><label>10.</label><mixed-citation>Ghanbari, B. &amp; Changbum, C. A constructive method for solving the equation</mixed-citation></ref></ref-list></back></article>
