摘要
极限运算是数学分析中较重要的一种运算。本文主要介绍了求解二重极限的几种方法,针对各种方法给出了典型例题。
Limit operation is a relatively important operation in mathematics analysis. The article mainly introduces several methods of evaluating the double limits. Behind of each method, the article gives some typical examples.
关键词
多元函数
二重极限
累次极限
Function of several variables Double limit Progressive limit