| 新矩阵法化简中心-焦点型齐四次系统 |
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| 引用本文： | 迟晓恒 万维明. 新矩阵法化简中心-焦点型齐四次系统[J]. 大连铁道学院学报, 2005, 26(2): 13-15 |
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| 作者姓名： | 迟晓恒 万维明 |
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| 作者单位： | 大连交通大学数理系,辽宁大连116028 |
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| 摘 要： | 定义新的矩阵运算方法，采用可逆实对称矩阵变换，将微分方程中的中心-焦点型齐四次系统化简，使之最多含有9个参数，这种矩阵方法方便实用，它将某种二元多项式系统用矩阵系统表示，使系统易于进行线性变换，为计算该系统的焦点量上界问题做准备。
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| 关 键 词： | 中心 焦点 矩阵 |
| 文章编号： | 1000-1670（2005）02-0013-03 |
| 收稿时间： | 2004-12-21 |
A New Algorithm of Matrix Simplification Center: A Fourth-Order Homogeneous System of Focus Type |
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| Chi XiaoHeng;Wan WeiMing. A New Algorithm of Matrix Simplification Center: A Fourth-Order Homogeneous System of Focus Type[J]. Journal of Dalian Railway Institute, 2005, 26(2): 13-15 |
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| Authors: | Chi XiaoHeng Wan WeiMing |
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| Abstract: | A new matrix algorithm is defined. The algorithm simplifies the fourth order homogeneous system of a center-focus type to a system concluding less than 9 parameters by using the real invertible symmetric matrix transformation. This new algorithm is quite applicable and uses the matrix system to express the polynomial of a 2-variable system which can be applied easyly in linear transformation. For the preparation of calculating focus upper bound problem of this system. |
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| Keywords: | center focus matrix |
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