page_title: APL syntax and symbols
section_title: Nested arrays
hierarchical_section_title: APL syntax and symbols / Nested arrays
caption_attribution_description: Representation of a nested array, a mixed data type in APL2
context_page_description: The programming language APL is distinctive in being symbolic rather than lexical: its primitives are denoted by symbols, not words. These symbols were originally devised as a mathematical notation to describe algorithms. APL programmers often assign informal names when discussing functions and operators but the core functions and operators provided by the language are denoted by non-textual symbols.
context_section_description: Arrays are structures which have elements grouped linearly as vectors or in table form as matrices - and higher dimensions (3D or cubed, 4D or cubed over time, etc.).  Arrays containing both characters and numbers are termed mixed arrays.  Array structures containing elements which are also arrays are called nested arrays.
caption: Visual representation of the nested array
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