Singleton
Revision as of 09:07, 29 October 2019 by Miraheze>Adám Brudzewsky (Text replacement - "</code>" to "</source>")
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.