Singleton

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Revision as of 09:07, 29 October 2019 by Miraheze>Adám Brudzewsky (Text replacement - "</code>" to "</source>")
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A singleton is an array with bound 1. Equivalently, its shape consists entirely of 1s. It may have any rank.

Every scalar is a singleton, because 1/.

Singletons may be subject to singleton extension.