Mixed function

From APL Wiki
Revision as of 22:16, 10 September 2022 by Adám Brudzewsky (talk | contribs) (Text replacement - "<source" to "<syntaxhighlight")
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)
Jump to navigation Jump to search

A mixed function is one of a class of primitive functions that consider their entire arguments rather than treating each element at a time. The exact parts of an argument that is considered as a unit, varies per function, rather than adhering to a general rule. Hence the name "mixed" as in a "mixed bag" of functions. This is opposed to scalar functions which are defined in terms of operations on simple scalars.

For example, while Equal (=) is a scalar function in that it compares (corresponding) elements, Match () gives a single result which indicates if the arguments, as wholes, are identical.

External links

APL features [edit]
Built-ins Primitives (functions, operators) ∙ Quad name
Array model ShapeRankDepthBoundIndex (Indexing) ∙ AxisRavelRavel orderElementScalarVectorMatrixSimple scalarSimple arrayNested arrayCellMajor cellSubarrayEmpty arrayPrototype
Data types Number (Boolean, Complex number) ∙ Character (String) ∙ BoxNamespaceFunction array
Concepts and paradigms Conformability (Scalar extension, Leading axis agreement) ∙ Scalar function (Pervasion) ∙ Identity elementComplex floorTotal array orderingTacit programming (Function composition, Close composition) ∙ Glyph