| 论价值型Leontief逆阵 |
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| 引用本文： | 马涵堃. 论价值型Leontief逆阵[J]. 西安石油大学学报(自然科学版), 1991, 0(3) |
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| 作者姓名： | 马涵堃 |
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| 作者单位： | 江苏石油勘探局 |
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| 摘 要： | 价值型Leontief矩阵是经济数学的重要工具之一,在数学上它们是对角线占优矩阵。本文提出一个数学上的新概念:矩阵A的主子块A_(11)是对角线占优的,则称A是“拟对角线占优矩阵”。从这个定义出发,最终推导出价值型Leontief逆阵的每一个元素上下界的计算公式。
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| 关 键 词： | Leontief 逆阵 上下界 计算公式 |
On Leontief Inverse Matrix of Value_Type |
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| Ma Hankun. On Leontief Inverse Matrix of Value_Type[J]. Journal of Xian Shiyou University, 1991, 0(3) |
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| Authors: | Ma Hankun |
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| Affiliation: | Jiangsu Petroleum Exploration Bureau |
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| Abstract: | The Leontief matrix of value—type, which is a diagonally dominant matrix, is one of the important tools in economic maths. This paper presents a new mathematical concept: when the principal submatrix A_(11) of A is diagonally dominant, A is called“quasi—diagonally dominant matrix”. Based on the definition, a formula is derived, which can be used to calculate the upper and lower bounds for every element in Leontief inverse matrix. |
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| Keywords: | Leontief inverse matrix upper and lower bounds formula |
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