In this paper,we propose a new method based on qualitative simulation to construct phase portrait for nonlinea...
Chenxi SHAO 1,3,Zhenzhong SHAO 2,Xiangdong HU 1 1 College of Computer Science and Technology,University of Science and Technology of China,Hefei,China 2 Jianghua Automobile Co.Ltd.Hefei,China 3 Anhui Province Key Laboratory of Software in Computing and Communication,Hefei,China