| 离散方程组的解不出负的条件 |
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| 引用本文： | 王子丁.离散方程组的解不出负的条件[J].华侨大学学报(自然科学版),1993,0(1):8-11. |
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| 作者姓名： | 王子丁 |
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| 作者单位： | 华侨大学管理信息科学系 |
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| 摘 要： | 本文从讨论矩阵A的逆矩阵A-1非负的条件出发,研究用离散方程组求解微分方程数值近似解不出负的条件,并列举出一些类型的离散方程组是能满足这些条件。
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| 关 键 词： | 矩阵 离散方程 特征值 对角优势 不可约 微分方程 |
The Nonnegativity Condition of the Solution of Discrete Equations |
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| Wang Ziding.The Nonnegativity Condition of the Solution of Discrete Equations[J].Journal of Huaqiao University(Natural Science),1993,0(1):8-11. |
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| Authors: | Wang Ziding |
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| Institution: | Department of Management System |
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| Abstract: | In solving differential equation by means of discrete equations, the nonnegativity conditions of numerical approximate solution are studied and some types of discrete equations which will satisfy the condition are enumerated. The study starts from a discussion on the nonnegativity condition of the inverse matrix A~(-1) of matricesx A. |
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| Keywords: | matricesx discrete equation characteristic values diagonal dominance irreducible differential equation |
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