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Numerical Solution of Second-Orders Fuzzy Linear Differential Equation 被引量:2
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作者 Junyang An Xiaobin Guo 《Applied Mathematics》 2021年第11期1118-1125,共8页
In this paper, the numerical solution of the boundary value problem that is two-order fuzzy linear differential equations is discussed. Based on the generalized Hukuhara difference, the fuzzy differential equation is ... In this paper, the numerical solution of the boundary value problem that is two-order fuzzy linear differential equations is discussed. Based on the generalized Hukuhara difference, the fuzzy differential equation is converted into a fuzzy difference equation by means of decentralization. The numerical solution of the boundary value problem is obtained by calculating the fuzzy differential equation. Finally, an example is given to verify the effectiveness of the proposed method. 展开更多
关键词 fuzzy Numbers fuzzy Differential Equations fuzzy Difference Equation fuzzy approximate solution
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完全模糊线性系统的模糊近似解 被引量:2
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作者 巩增泰 刘坤 《兰州大学学报(自然科学版)》 CAS CSCD 北大核心 2009年第1期78-82,共5页
对完全模糊线性系统=,当为模糊方阵或模糊长方阵时进行了讨论.扩充了LR-模糊数的定义,讨论了完全模糊线性系统的模糊近似解和非负模糊近似解,并应用矩阵的广义逆阵A^-,讨论了广义完全模糊线性系统的模糊近似解和非负模糊近似... 对完全模糊线性系统=,当为模糊方阵或模糊长方阵时进行了讨论.扩充了LR-模糊数的定义,讨论了完全模糊线性系统的模糊近似解和非负模糊近似解,并应用矩阵的广义逆阵A^-,讨论了广义完全模糊线性系统的模糊近似解和非负模糊近似解.最后给出了具体算例. 展开更多
关键词 LR-模糊数 模糊近似解 完全模糊线性系统
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Approximate Solution of Fuzzy Matrix Equations with LR Fuzzy Numbers
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作者 Xiaobin Guo Dequan Shang 《Advances in Pure Mathematics》 2012年第6期373-378,共6页
In the paper, a class of fuzzy matrix equations AX=B where A is an m × n crisp matrix and is an m × p arbitrary LR fuzzy numbers matrix, is investigated. We convert the fuzzy matrix equation into two crisp m... In the paper, a class of fuzzy matrix equations AX=B where A is an m × n crisp matrix and is an m × p arbitrary LR fuzzy numbers matrix, is investigated. We convert the fuzzy matrix equation into two crisp matrix equations. Then the fuzzy approximate solution of the fuzzy matrix equation is obtained by solving two crisp matrix equations. The existence condition of the strong LR fuzzy solution to the fuzzy matrix equation is also discussed. Some examples are given to illustrate the proposed method. Our results enrich the fuzzy linear systems theory. 展开更多
关键词 LR fuzzy NUMBERS MATRIX Analysis fuzzy MATRIX EQUATIONS fuzzy approximate solution
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完全模糊线性系统的非正模糊近似解
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作者 杨明霞 刘坤 《陇东学院学报》 2010年第2期10-12,共3页
针对完全模糊线性系统A×x=b,其中A,x和b分别为模糊数矩阵和模糊数向量,利用广义LR-模糊数及其近似算法,讨论了完全模糊线性系统的非正模糊近似解.
关键词 广义LR-模糊数 模糊近似解 完全模糊线性系统
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