April 2015
Beginner to intermediate
504 pages
8h 36m
English
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Benefits and characteristics of NumPy arrays
NumPy arrays have several advantages over Python lists. These benefits are focused on providing high-performance manipulation of sequences of homogenous data items. Several of these benefits are as follows:
- Contiguous allocation in memory
- Vectorized operations
- Boolean selection
- Sliceability
Contiguous allocation in memory provides benefits in performance by ensuring that all elements of an array are directly accessible at a fixed offset from the beginning of the array. This also is a computer organization technique that facilities providing vectorized operations across arrays.
Vectorized operation is a technique of applying an operation across all or a subset of elements without explicit coding of loops. ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.