Using NumPy for array and matrix math in Python Many mathematical operations, especially in machine learning or data science, involve working with matrixes, or lists of numbers.

Interpreting math expressions is one of those things that seems simple until you get into it. The first problem is correctly lexing the input — a term that means splitting into tokens.

Math Library There are lots of useful functions in the Math Library. To use this library the first statement in your program must be import math The Math Library not only has functions but also useful ...