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Numpy Beginner's Guide (Update)

You're reading from   Numpy Beginner's Guide (Update) Build efficient, high-speed programs using the high-performance NumPy mathematical library

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Product type Paperback
Published in Jun 2015
Publisher
ISBN-13 9781785281969
Length 348 pages
Edition 1st Edition
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Author (1):
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Ivan Idris Ivan Idris
Author Profile Icon Ivan Idris
Ivan Idris
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Table of Contents (16) Chapters Close

Preface 1. NumPy Quick Start 2. Beginning with NumPy Fundamentals FREE CHAPTER 3. Getting Familiar with Commonly Used Functions 4. Convenience Functions for Your Convenience 5. Working with Matrices and ufuncs 6. Moving Further with NumPy Modules 7. Peeking into Special Routines 8. Assuring Quality with Testing 9. Plotting with matplotlib 10. When NumPy Is Not Enough – SciPy and Beyond 11. Playing with Pygame A. Pop Quiz Answers B. Additional Online Resources C. NumPy Functions' References
Index

Chapter 3. Getting Familiar with Commonly Used Functions

In this chapter, we will have a look at common NumPy functions. In particular, we will learn how to load data from files by using an example involving historical stock prices. Also, we will get to see the basic NumPy mathematical and statistical functions.

We will learn how to read from and write to files. Also, we will get a taste of the functional programming and linear algebra possibilities in NumPy.

In this chapter, we shall cover the following topics:

  • Functions working on arrays
  • Loading arrays from files
  • Writing arrays to files
  • Simple mathematical and statistical functions
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