# 微积分：单变量第1部分 – 函数

## Calculus: Single Variable Part 1 - Functions

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Coursera
• 完成时间大约为 21 个小时
• 混合难度
• 英语, 西班牙语, 中文

### 你将学到什么

Series Expansions

Calculus

Series Expansion

### 课程概况

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Calculus is one of the grandest achievements of human thought, explaining everything from planetary orbits to the optimal size of a city to the periodicity of a heartbeat. This brisk course covers the core ideas of single-variable Calculus with emphases on conceptual understanding and applications. The course is ideal for students beginning in the engineering, physical, and social sciences. Distinguishing features of the course include: 1) the introduction and use of Taylor series and approximations from the beginning; 2) a novel synthesis of discrete and continuous forms of Calculus; 3) an emphasis on the conceptual over the computational; and 4) a clear, dynamic, unified approach.

In this first part–part one of five–you will extend your understanding of Taylor series, review limits, learn the *why* behind l’Hopital’s rule, and, most importantly, learn a new language for describing growth and decay of functions: the BIG O.

### 课程大纲

Introduction
Welcome to Calculus: Single Variable! below you will find the course's diagnostic exam. if you like, please take the exam. you don't need to score a minimal amount on the diagnostic in order to take the course. but if you do get a low score, you might want to readjust your expectations: this is a very hard class...
1 个视频 （总计 8 分钟）, 2 个阅读材料, 1 个测验

A Review of Functions
This module will review the basics of your (pre-)calculus background and set the stage for the rest of the course by considering the question:
just what is the exponential function?
3 个视频 （总计 36 分钟）, 1 个阅读材料, 4 个测验

Taylor Series
This module gets at the heart of the entire course: the Taylor series, which provides an approximation to a function as a series, or "long polynomial". You will learn what a Taylor series is and how to compute it. Don't worry! The notation may be unfamiliar, but it's all just working with polynomials....
5 个视频 （总计 69 分钟）, 8 个测验

Limits and Asymptotics
A Taylor series may or may not converge, depending on its limiting (or "asymptotic") properties. Indeed, Taylor series are a perfect tool for understanding limits, both large and small, making sense of such methods as that of l'Hopital. To solidify these newfound skills, we introduce the language of "big-O" as a means of bounding the size of asymptotic terms. This language will be put to use in future Chapters on Calculus.

### 参考资料

《FLCT：有趣的微积分小教材》，罗伯特·格里斯特[2012]

### 常见问题

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