INVOLUTION

Involution

In mathematics, an involution, or an involutary function, is a function f that is its own inverse:

The above text is a snippet from Wikipedia: Involution (mathematics)
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involution

Noun

  1. entanglement; a spiralling inwards; intricacy
    • 1968: ‘Gomez,’ said the mortician, ‘is an expert only on the involutions of his own rectum.’ — Anthony Burgess, Enderby Outside
  2. An endofunction whose square is equal to the identity function; a function equal to its inverse.
  3. The regressive changes in the body occurring with old age.
  4. A power: the result of raising one number to the power of another.


The above text is a snippet from Wiktionary: involution
and as such is available under the Creative Commons Attribution/Share-Alike License.

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