| 单纯形法原理的一个标注 |
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| 引用本文： | 张利霞,贾振.单纯形法原理的一个标注[J].济宁师范专科学校学报,2010(6):55-58. |
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| 作者姓名： | 张利霞 贾振 |
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| 作者单位： | [1]济宁学院数学系,山东曲阜273155 [2]曲阜市第一中学,山东曲阜273100 |
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| 摘 要： | 在推导单纯形法换基准则时,一般文献中都是先假定进基值准则θ〉0,以至于在单纯形法迭代计算过程中往往容易忽略θ可以取零,使得迭代过程不能进行下去.本文在θ≥0的条件下,重新推导了换基准则,并明确给出了θ可以取零的条件.
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| 关 键 词： | 单纯形法 线性规划 换基准则. |
An Annotation for Simplex Method Principle |
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| ZHANG Lixia,JIA Zhen.An Annotation for Simplex Method Principle[J].Journal of Jining Teachers College,2010(6):55-58. |
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| Authors: | ZHANG Lixia JIA Zhen |
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| Institution: | 1.Departerment of Mathematical,Jining University,Qufu 273155,China;2.Qufu No.1 Middle School,Qufu 273100,China) |
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| Abstract: | It is always assuming that θ0 in deducing the changing basis rule of the simplex method,so θ can take zero is easily ignored in the simplex method.That makes iterative process cannot continue.In this paper we deduce the changing basis rule in the condition of θ≥0,and give the condition that θ can take zero explicitly. |
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| Keywords: | simplex method linear programming changing basis rule |
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