.. _differential_calculus: .. index:: differential calculus 微分学 ====== 我们现在考虑来自 **分析学** 概念的形式化,从本章的微分开始,然后在下一章讨论积分和测度论。在 :numref:`elementary_differential_calculus` 中,我们仍采用从实数到实数的函数这一常见于任何微积分入门课程的设定。在 :numref:`normed_spaces` 中,我们则在更广泛的背景下考虑导数的概念。 .. include:: C11_Differential_Calculus/S01_Elementary_Differential_Calculus.inc .. include:: C11_Differential_Calculus/S02_Differential_Calculus_in_Normed_Spaces.inc