NumPy v1.19 Manual

Welcome! This is the documentation for NumPy 1.19.5, last updated Jan 13, 2021.

For users:

Setting Up Learn about what NumPy is and how to install it Quickstart Tutorial Aimed at domain experts or people migrating to NumPy Absolute Beginners Tutorial Start here for an overview of NumPy features and syntax Tutorials Learn about concepts and submodules How Tos How to do common tasks with NumPy NumPy API Reference Automatically generated reference documentation Explanations In depth explanation of concepts, best practices and techniques F2Py Guide Documentation for the f2py module (Fortran extensions for Python) Glossary List of the most important terms

For developers/contributors:

NumPy Contributor Guide Contributing to NumPy Under-the-hood docs Specialized, in-depth documentation Building and Extending the Documentation How to contribute to this documentation (user and API) The numpydoc docstring guide How to write docstrings in the numpydoc format Benchmarking benchmarking NumPy NumPy Enhancement Proposals

Meta information:

Reporting bugs Release Notes

About NumPy License of NumPy

Acknowledgements

Large parts of this manual originate from Travis E. Oliphant's book "Guide to NumPy" (which generously entered Public Domain in August 2008). The reference documentation for many of the functions are written by numerous contributors and developers of NumPy.

The preferred way to update the documentation is by submitting a pull request on Github (see the Documentation Index). Please help us to further improve the NumPy documentation!