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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">dan</journal-id><journal-title-group><journal-title xml:lang="ru">Доклады Национальной академии наук Беларуси</journal-title><trans-title-group xml:lang="en"><trans-title>Doklady of the National Academy of Sciences of Belarus</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1561-8323</issn><issn pub-type="epub">2524-2431</issn><publisher><publisher-name>The Republican Unitary Enterprise Publishing House "Belaruskaya Navuka"</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">dan-48</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>МАТЕМАТИКА</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>MATHEMATICS</subject></subj-group></article-categories><title-group><article-title>О ПРИБЛИЖЕННОМ ВЫЧИСЛЕНИИ МАТЕМАТИЧЕСКОГО ОЖИДАНИЯ ФУНКЦИОНАЛОВ ОТ РЕШЕНИЯ ЛИНЕЙНОГО УРАВНЕНИЯ ИТО–ЛЕВИ</article-title><trans-title-group xml:lang="en"><trans-title>ON APPROXIMATE EVALUATION OF MATHEMATICAL EXPECTATION OF FUNCTIONALS FROM THE SOLUTION TO THE LINEAR ÎTO–LÉVY EQUATION</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>ЕГОРОВ</surname><given-names>А. Д.</given-names></name><name name-style="western" xml:lang="en"><surname>EGOROV</surname><given-names>А. D.</given-names></name></name-alternatives><email xlink:type="simple">egorov@im.bas-net.by</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff xml:lang="ru" id="aff-1"><institution>Институт математики НАН Беларуси, Минск</institution><country>Belarus</country></aff><pub-date pub-type="collection"><year>2015</year></pub-date><pub-date pub-type="epub"><day>24</day><month>05</month><year>2016</year></pub-date><volume>59</volume><issue>1</issue><fpage>13</fpage><lpage>17</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; ЕГОРОВ А.Д., 2016</copyright-statement><copyright-year>2016</copyright-year><copyright-holder xml:lang="ru">ЕГОРОВ А.Д.</copyright-holder><copyright-holder xml:lang="en">EGOROV А.D.</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://doklady.belnauka.by/jour/article/view/48">https://doklady.belnauka.by/jour/article/view/48</self-uri><abstract><p>Построены функциональные квадратурные формулы для вычисления математического ожидания нелинейных функционалов от решения линейного стохастического дифференциального уравнения Ито–Леви. Формулы точны для функциональных многочленов третьей степени от решения. Получена оценка погрешности построенной составной формулы для одного класса функционалов интегрального вида.</p></abstract><trans-abstract xml:lang="en"><p>Functional quadrature formulas for evaluation of mathematical expectation of nonlinear functionals from the solution to the linear Îto–Lévy equation are constructed. The formulas are exact for third-degree functional polynomials from the solution. The error of the constructed composed formula is obtained for a class of integral-form functionals.</p></trans-abstract></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Øksendal B., Sulem A. Applied Stochastic Control of Jump Diffusions. Berlin: Springer, 2009.</mixed-citation><mixed-citation xml:lang="en">Øksendal B., Sulem A. Applied Stochastic Control of Jump Diffusions. 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