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<article article-type="research-article" dtd-version="1.3" 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" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">mais</journal-id><journal-title-group><journal-title xml:lang="ru">Моделирование и анализ информационных систем</journal-title><trans-title-group xml:lang="en"><trans-title>Modeling and Analysis of Information Systems</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1818-1015</issn><issn pub-type="epub">2313-5417</issn><publisher><publisher-name>Yaroslavl State University</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.18255/1818-1015-2015-1-23-37</article-id><article-id custom-type="elpub" pub-id-type="custom">mais-229</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>Оригинальные статьи</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Articles</subject></subj-group></article-categories><title-group><article-title>Метод логистической функции для нахождения аналитических решений нелинейных дифференциальных уравнений</article-title><trans-title-group xml:lang="en"><trans-title>Method of the Logistic Function for Finding Analytical Solutions of Nonlinear Differential Equations</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кудряшов</surname><given-names>Николай Алексеевич</given-names></name><name name-style="western" xml:lang="en"><surname>Kudryashov</surname><given-names>N. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>доктор физ.-мат. наук, профессор, зав. кафедрой,</p><p> 115409 Россия, г. Москва, Каширское шоссе, 31</p></bio><bio xml:lang="en"><p>доктор физ.-мат. наук, профессор, зав. кафедрой,</p><p>115409 Russian Federation, Moscow, Kashirskoe shosse, 31</p></bio><email xlink:type="simple">nakudryashov@mephi.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Национальный исследовательский ядерный университет МИФИ</institution><country>Россия</country></aff><aff xml:lang="en"><institution>National Research Nuclear University MEPHI</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2015</year></pub-date><pub-date pub-type="epub"><day>20</day><month>02</month><year>2015</year></pub-date><volume>22</volume><issue>1</issue><fpage>23</fpage><lpage>37</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Кудряшов Н.А., 2015</copyright-statement><copyright-year>2015</copyright-year><copyright-holder xml:lang="ru">Кудряшов Н.А.</copyright-holder><copyright-holder xml:lang="en">Kudryashov N.A.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://www.mais-journal.ru/jour/article/view/229">https://www.mais-journal.ru/jour/article/view/229</self-uri><abstract><p>Для нахождения точных решений нелинейных дифференциальных уравнений используется метод логистической функции. Применение метода иллюстрируется на примере нелинейного обыкновенного дифференциального уравнения четвертого порядка. Представлены аналитические решения, полученные с помощью этого метода. Как оказалось, эти решения выражаются через экспоненциальные функции.</p></abstract><trans-abstract xml:lang="en"><p>The method of the logistic function is presented for finding exact solutions of nonlinear differential equations. The application of the method is illustrated by using the nonlinear ordinary differential equation of the fourth order. Analytical solutions obtained by this method are presented. These solutions are expressed via exponential functions.</p><p>logistic function, nonlinear wave, nonlinear ordinary differential equation, Painlev´e test, exact solution</p></trans-abstract><kwd-group xml:lang="ru"><kwd>логистическая функция</kwd><kwd>нелинейная волна</kwd><kwd>нелинейное обыкновенное дифференциальное уравнение</kwd><kwd>тест Пенлеве</kwd><kwd>точное решение</kwd></kwd-group><kwd-group xml:lang="en"><kwd>logistic function</kwd><kwd>nonlinear wave</kwd><kwd>nonlinear ordinary differential equation</kwd><kwd>Painlevé test</kwd><kwd>exact solution</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Russian Science Foundation</funding-statement><funding-statement xml:lang="en">Russian Science Foundation</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">C. S. Gardner, J. M. Greene, M. D. Kruskal, R. M. 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