摘要
以二元函数为例,从空间解析几何的角度讨论代入法的原理,归纳代入法的理论依据与使用条件,并将代入法的使用划分为两类,为解决条件极值的漏解问题提供一点思路.
Taking a function of two variables as an example,this paper discusses the principle of the substitution method from the perspective of 3D analytic geometry,summarizes theoretical basis and application conditions of the method,divides the use of the method into two categories,and provides some ideas for solving the leakage problem of some conditional extreme value problems.
作者
张立国
ZHANG Liguo(Department of Mathematics,Shenyang Ligong University,Shenyang,110159,China)
出处
《高等数学研究》
2023年第2期55-57,共3页
Studies in College Mathematics
关键词
极值
投影
conditional extreme value
projection
