关于一元函数导数定义的注记

Several Annotations Based on Definition of Single Variable Function Derivative

导数是数学分析中微积分的核心内容之一,也是近代数学的重要基础。在许多数学之外的其他自然科学领域中,导数都扮演着重要的角色,起着至关重要的作用。文章就函数在一点处的导数定义进行深入分析,引出了几点注记。

Derivative is one of the core contents of calculus in mathematical analysis,and it is also an important foundation of modern mathematics.Besides mathematics,derivative play an important role in many other fields.This paper deeply analyzes definition of the derivative when taking one point of the function,and several notes are drawn.