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 data in ...

The array interface (sometimes called array protocol) was created in 2005 as a means for array-like Python objects to reuse each other's data buffers intelligently whenever possible. The homogeneous N ...

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. Similar to selecting an element from a python list, we ...

Understand how to stack NumPy arrays in the first part of this 2 part series. Numpy is one of the most important libraries for data science and also it provides most of the functions needed to work ...

If your 2D numpy array has a regular structure, i.e. each row and column has a fixed number of values, complicated ways of subsetting become very easy. Have a look at the code below where the elements ...

We can cast an ordinary python list as a NumPy one-dimensional array. We can also cast a python list of lists to a NumPy two-dimensional array. Usually we will build arrays by using NumPy's ...