NumPy is a Python package which stands for ‘Numerical Python’. It is the core libraryfor scientific computing, which contains a powerful n-imensional array object, providetools for integrating C, C++ etc.

In this page, we have written some numpy tutorials and examples, you can lean how to use numpy easily.

numpy.nonzero() function can return the indices of the elements that are non-zero in a numpy ndarray. In this tutorial, we will use some examples to help you understand how to use it.

In this tutorial, we will introduce you how to convert a numpy array to bytes or bytes to numpy array. If you plan to use lmdb to save a numpy array, you should read it.

In order to split a sequence from start and end, we can use numpy.linspace() function. In this tutorial, we will use some examples to show you how to use it.