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First, the degenerate fuzzy number linear programming is defined and a new problem related to the original problem is constructed. Then, combined with the ranking function, some relationships between the optimal solution of the new problem and that of the original problem are given and proved. Furthermore, we propose a revised fuzzy simplex method through improving the method of selecting the leaving basic variable, which can successfully find the optimal solution of the original degenerate problem. Finally, to compare the existing method and illustrate our method, we solve one numerical example.<\/jats:p>","DOI":"10.3233\/ifs-151689","type":"journal-article","created":{"date-parts":[[2015,11,10]],"date-time":"2015-11-10T11:36:15Z","timestamp":1447155375000},"page":"2139-2146","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":2,"title":["A revised simplex method of solving degenerate fuzzy number linear programming problems"],"prefix":"10.1177","volume":"29","author":[{"given":"Yi-hua","family":"Zhong","sequence":"first","affiliation":[{"name":"School of Science, Southwest Petroleum University, Chengdu, Sichuan, China"}]},{"given":"Yan-lin","family":"Jia","sequence":"additional","affiliation":[{"name":"School of Science, Southwest Petroleum University, Chengdu, Sichuan, China"},{"name":"Department of Genenal Education, Chengdu Neusoft University, Chengdu, Sichuan, 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