<computer programming> (Or "memoised function") A function that remembers which arguments it has been called with and the result returned and, if called with the same arguments again, returns the result from its memory rather than recalculating it.
This same principle is found at the hardware level in computer architectures which use a cache to store recently accessed memory locations.
["'Memo' functions: and machine learning", Donald Michie, Nature, 218, 19-22, 1968].
(01 Jul 2002)
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