"*This notebook contains an excerpt from the [Python Data Science Handbook](http://shop.oreilly.com/product/0636920034919.do) by Jake VanderPlas; the content is ...
Python is convenient and flexible, yet notably slower than other languages for raw computational speed. The Python ecosystem has compensated with tools that make crunching numbers at scale in Python ...
``np.all`` returns True when every element (along the given axis) is truthy. ``np.any`` returns True when at least one element is truthy. The ``np.logical_*`` family operates element-wise on boolean ...