| 巴乌金二次系统焦点量又一种计算方法 |
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| 引用本文： | 曹勃,云连英. 巴乌金二次系统焦点量又一种计算方法[J]. 宁波大学学报(理工版), 2008, 21(3): 370-373 |
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| 作者姓名： | 曹勃 云连英 |
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| 作者单位： | 1. 宁波职业技术学院,浙江,宁波,315800
2. 台州职业技术学院,计算机工程系,浙江,台州,318000 |
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| 摘 要： | 通过具有三阶细鞍点二次系统的鞍点量公式，较简洁地推证出具有三阶细焦点巴乌金（BalyTNH）二次系统的焦点量公式，由此说明二次系统的焦点量与鞍点量的相互关系．
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| 关 键 词： | 巴乌金二次系统 鞍点量 焦点量 |
A New Approach for Calculating Focus of BayTnH's Quadratic Differential System |
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| CAO Bo,YUN Lian-ying. A New Approach for Calculating Focus of BayTnH's Quadratic Differential System[J]. Journal of Ningbo University(Natural Science and Engineering Edition), 2008, 21(3): 370-373 |
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| Authors: | CAO Bo YUN Lian-ying |
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| Affiliation: | CAO Bo, YUN Lian-ying ( 1.Ningbo Plolytechnic, Ningbo 315800, China; 2. Taizhou Vocational ＆ Technical College, Taizhou 318000, China ) |
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| Abstract: | Based on the saddle point value of a quadratic differential system with weak 3-order saddle points, the paper gives concise yet clear derivation of the focus value of BayrTNH＇s quadratic different system with weak 3-order focuses. As a result, the profound relation between saddle point value and focus value of quadratic differential system is validated. |
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| Keywords: | BayTNH＇s quadratic differential system saddle point value focus value |
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