Conventions used

There are a number of text conventions used throughout this book.

Keywords: indicates keywords and vocabulary.

Code in text: Indicates names of scripts, functions, packages, folder names, filenames, file extensions, and pathnames.

A block of code is typeset as follows:

import numpy# initialize a matrix
A = numpy.array([[3, 2, 1], [9, 0, 1], [3, 4, 1]])
print(A)

The output from code is typeset as follows:

[[3 2 1]
 [9 0 1]
 [3 4 1]]

Lastly, we have important notes, which appear as follows.

Important Note

Appear like this.