In mathematics and computer science, correspondences or relationships between elements of different sets; the process of establishing these relationships.
From 'map' (ultimately from Latin mappa meaning cloth, chart) plus the suffix '-ing' to indicate process or result. The mathematical use developed in the 20th century as abstract algebra formalized the concept of functional relationships.
Mathematical mappings are like translation dictionaries between different mathematical worlds - they tell you how elements in one set correspond to elements in another, making them fundamental to understanding how different systems relate to each other. This concept bridges pure mathematics and practical computer programming.
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