摘要
利用待定连续函数的方法求出所需要的同伦映射 ,利用图形求出所需要的同伦映射 .介绍一种同伦映射的构造方法并给出具体表达式 .
We find homotopic mapping by using an analytical methyod we find homotopic mapping by using an analytical geometry method. In this paper we get a formula and it is easy to find a homotopic mapping by using given formula.
出处
《数学的实践与认识》
CSCD
北大核心
2004年第5期168-169,共2页
Mathematics in Practice and Theory
