NumPy v1.8 Manual

Welcome! This is the documentation for NumPy 1.8.1, last updated Mar 26, 2014.

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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, both prior to and during the Numpy Documentation Marathon.

The Documentation Marathon is still ongoing. Please help us write better documentation for Numpy by joining it! Instructions on how to join and what to do can be found on the website.