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.

Numpy Array Indexing and Selection Now that we know how to build arrays, let's look at how to pull values our of an array using indexing, and also slicing off sections of an array. Indexing This is ...

NumPy is known for being fast, but could it go even faster? Here’s how to use Cython to accelerate array iterations in NumPy. NumPy gives Python users a wickedly fast library for working with ...