sigmoid

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English[edit]

English Wikipedia has an article on:

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Etymology[edit]

From Ancient Greek σιγμοειδής (sigmoeidḗs), from σίγμα (sígma) or σῖγμα (sîgma, sigma) + εἶδος (eîdos, form, likeness). Compare with French sigmoïde.

Pronunciation[edit]

Adjective[edit]

sigmoid (not comparable)

  1. (geometry) Curved in two directions, like the letter "S", or the Greek ς (sigma).
    1. Having a serpentine shape; resembling S or ʃ
    2. (mathematics) Exhibiting logistic growth; having a graph that accelerates until it reaches a carrying capacity
  2. (geometry, archaic) Semi-circular, like the lunar sigma (similar to English C).
  3. (anatomy) Relating to the sigmoid flexure of the large intestine.

Synonyms[edit]

Derived terms[edit]

Translations[edit]

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Noun[edit]

sigmoid (plural sigmoids)

  1. (mathematics) A function having a graph whose shape is sigmoid. See Wikipedia and Mathworld[1].

Translations[edit]

References[edit]

  1. ^ http://mathworld.wolfram.com/SigmoidFunction.html