NumPy arrays differ from a normal Python list because of their ability to broadcast. This is the ability to write a range of values to the array ... Warning. When using array slicing and broadcasting ...

How NumPy speeds array math in Python. ... you’re best off using NumPy’s “broadcasting” functions—ways to execute operations across a whole array, or a slice, without looping in Python.

Here’s how to use Cython to accelerate array iterations in NumPy. NumPy gives Python users a wickedly fast library for working with data in matrixes. If you want, for instance, ...