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Multifactor uncertain differential equation is a differential equation driven by multiple Liu processes. The paper introduces two methods to solve the unknown parameters of the multifactor uncertain differential equation, they are the method of moment estimation and the method of least squares estimation. Several numerical examples are used to illustrate the proposed parameter estimation methods.<\/jats:p>","DOI":"10.3233\/jifs-202891","type":"journal-article","created":{"date-parts":[[2021,7,27]],"date-time":"2021-07-27T13:10:02Z","timestamp":1627391402000},"page":"2865-2878","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":6,"title":["Parameter estimation in multifactor uncertain differential equation"],"prefix":"10.1177","volume":"41","author":[{"given":"Nan","family":"Zhang","sequence":"first","affiliation":[{"name":"Xinjiang University","place":["China"]}]},{"given":"Yuhong","family":"Sheng","sequence":"additional","affiliation":[{"name":"Xinjiang University","place":["China"]}]},{"given":"Jing","family":"Zhang","sequence":"additional","affiliation":[{"name":"Xinjiang University","place":["China"]}]},{"given":"Xiaoli","family":"Wang","sequence":"additional","affiliation":[{"name":"Xinjiang University","place":["China"]}]}],"member":"179","published-online":{"date-parts":[[2021,7,24]]},"reference":[{"issue":"4","key":"e_1_3_2_2_2","first-page":"747","article-title":"On estimation of parameters of complex stationary Gaussian processes","volume":"146","author":"Arato M.","year":"1962","unstructured":"AratoM., KolmogorovA.N. and SinaiYa.G., On estimation of parameters of complex stationary Gaussian processes, Doklady of Academy of Sciences 146(4) (1962), 747\u2013750.","journal-title":"Doklady of Academy of Sciences"},{"key":"e_1_3_2_3_2","doi-asserted-by":"publisher","DOI":"10.1109\/TAC.1968.1099025"},{"key":"e_1_3_2_4_2","doi-asserted-by":"publisher","DOI":"10.1016\/0047-259X(75)90038-X"},{"key":"e_1_3_2_5_2","doi-asserted-by":"publisher","DOI":"10.1007\/BF00050834"},{"key":"e_1_3_2_6_2","doi-asserted-by":"publisher","DOI":"10.1524\/strm.1997.15.3.211"},{"key":"e_1_3_2_7_2","doi-asserted-by":"crossref","unstructured":"BishwalJ.P. 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