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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">infoschool</journal-id><journal-title-group><journal-title xml:lang="ru">Информатика в школе</journal-title><trans-title-group xml:lang="en"><trans-title>Informatics in school</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2221-1993</issn><publisher><publisher-name>Publishing House Education and Informatics</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">infoschool-130</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>ЗАНИМАТЕЛЬНАЯ ИНФОРМАТИКА</subject></subj-group></article-categories><title-group><article-title>ОСТОРОЖНО: ЦЕПНАЯ ФУНКЦИЯ</article-title><trans-title-group xml:lang="en"><trans-title>CAUTION: CATENARY!</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>Очков</surname><given-names>В. Ф.</given-names></name><name name-style="western" xml:lang="en"><surname>Ochkov</surname><given-names>V. F.</given-names></name></name-alternatives><email xlink:type="simple">ochkov@twt.mpei.ac.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Чудова</surname><given-names>Ю. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Chudova</surname><given-names>Ju. V.</given-names></name></name-alternatives><email xlink:type="simple">julia.chudova@gmail.com</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Цуриков</surname><given-names>Г. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Tsurikov</surname><given-names>G. N.</given-names></name></name-alternatives><email xlink:type="simple">grishatsurikov9826@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Национальный исследовательский университет «МЭИ»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>National Research University MPEI, Moscow</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>лицей № 1502 при Московском энергетическом институте</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Lyceum 1502, Moscow</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2017</year></pub-date><pub-date pub-type="epub"><day>04</day><month>10</month><year>2018</year></pub-date><volume>0</volume><issue>4</issue><fpage>58</fpage><lpage>62</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Очков В.Ф., Чудова Ю.В., Цуриков Г.Н., 2018</copyright-statement><copyright-year>2018</copyright-year><copyright-holder xml:lang="ru">Очков В.Ф., Чудова Ю.В., Цуриков Г.Н.</copyright-holder><copyright-holder xml:lang="en">Ochkov V.F., Chudova J.V., Tsurikov G.N.</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://school.infojournal.ru/jour/article/view/130">https://school.infojournal.ru/jour/article/view/130</self-uri><abstract><p>В статье рассмотрено решение задачи о цепной линии на основе анализа в среде Mathcad потенциальной энергии механической системы.</p></abstract><trans-abstract xml:lang="en"><p>The article deals with the solution of the problem of the catenary on the basis of an analysis in Mathcad of the potential energy of the mechanical system.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>цепь</kwd><kwd>потенциальная энергия</kwd><kwd>цепная функция</kwd><kwd>Mathcad</kwd></kwd-group><kwd-group xml:lang="en"><kwd>chain</kwd><kwd>potential energy</kwd><kwd>catenary</kwd><kwd>Mathcad</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Очков В. Ф., Богомолова Е. П., Иванов Д. А. Физико-математические этюды с Mathcad и Интернет. М.: Лань, 2016. (Этюд 7 «Цепная функция или пятый элемент». См. также форум книги: https://www.ptcusercommunity.com/groups/etudes)</mixed-citation><mixed-citation xml:lang="en">Очков В. Ф., Богомолова Е. П., Иванов Д. А. Физико-математические этюды с Mathcad и Интернет. М.: Лань, 2016. (Этюд 7 «Цепная функция или пятый элемент». См. также форум книги: https://www.ptcusercommunity.com/groups/etudes)</mixed-citation></citation-alternatives></ref><ref id="cit2"><label>2</label><citation-alternatives><mixed-citation xml:lang="ru">Три вопроса к блоку Решение Mathcad // PTC Community. https://www.ptcusercommunity.com/thread/136678</mixed-citation><mixed-citation xml:lang="en">Три вопроса к блоку Решение Mathcad // PTC Community. https://www.ptcusercommunity.com/thread/136678</mixed-citation></citation-alternatives></ref><ref id="cit3"><label>3</label><citation-alternatives><mixed-citation xml:lang="ru">Янпольский А. Р. Гиперболические функции. Избранные главы высшей математики для инженеров и студентов вузов. М.: Физматлит, 1960. https://books.google.ru/books?isbn=545825953X</mixed-citation><mixed-citation xml:lang="en">Янпольский А. Р. Гиперболические функции. Избранные главы высшей математики для инженеров и студентов вузов. М.: Физматлит, 1960. https://books.google.ru/books?isbn=545825953X</mixed-citation></citation-alternatives></ref></ref-list><fn-group><fn fn-type="conflict"><p>The authors declare that there are no conflicts of interest present.</p></fn></fn-group></back></article>
