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Commute: Difference between revisions
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(f x) g (h x) ⍝ the last ⍨ is being used dyadically, i.e. Swap | (f x) g (h x) ⍝ the last ⍨ is being used dyadically, i.e. Swap | ||
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== History == | |||
The Commute operator was defined in [[Operators and Functions]] in 1978, and taken up by [[NARS]] as a result. [[Dyalog]], influenced by NARS, included the operator early on. While it didn't appear in [[SHARP APL]], it was included in [[J]] as "Reflex/Passive" (<source lang=j inline>~</source>). | |||
== External links == | == External links == | ||