函数图象的初等变换法  

Elementary Transformation method for Function Image

作　　者：闪永强[1] 赵治群 Shan Yongqiang,Zhao Zhiqun (1.Xinxiang Teachers College,Henan Xinxiang,453000 2.Xinxiang Commercial Secondary School,Henan Xinxiang)

机构地区：[1]新乡师范高等专科学校，河南新乡453000 [2]新乡商业学校

出　　处：《新乡师范高等专科学校学报》2000年第4期27-28,共2页Journal of Xinxiang Teachers College

摘　　要：本文给出了函数图象的初等变换法的一般理论证明。从中体现了求轨迹思想方法的运用以及中学数学前后知识点的联系。in this paper,a generally theoretical proof of elementary tr ansformatio n method for function image is given.Utilizations of idea and method for solving locus,and relations of knowledge points to and for mathematics of middle school are reflected.

关 键 词：对称变换 平移变换 伸缩变换 函数图象 初等变换法 

分 类 号：O122[理学—数学;理学—基础数学]