Trenchard More

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This article is about More's relationship with APL. For more complete information about More, see Wikipedia.

Trenchard More (1930 – 2019) was a mathematician employed by IBM who helped develop nested array model concepts—"Array Theory", in his terminology—such as the "floating" property of simple scalars and the behavior of prototypes. According to Jim Brown, More "had a tremendous influence on the final definition of the APL2 language".[1] More's work is also cited as an influence on NARS. He also developed Nial together with Mike Jenkins of Queen's University at Kingston.[2]

Specific features attributed to More are the extension of strand notation to arbitrary arrays[3][1] and a shift from making Enclose idempotent on any scalar to simple scalars only in Jim Brown's early work.[4]



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