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sign function

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  • Sign function — In mathematics, the sign function is a mathematical function that extracts the sign of a real number. To avoid confusion with the sine function, this function is often called the signum function (after the Latin form of sign ).In mathematical… …   Wikipedia

  • Sign (mathematics) — The plus and minus symbols are used to show the sign of a number. Not to be confused with the sine function in trigonometry. In mathematics, the word sign refers to the property of being positive or negative. Every nonzero real number is either… …   Wikipedia

  • Sign (disambiguation) — A sign is an entity which indicates another entity. This may refer to:*Commercial signage *Sign (display device) **Stop sign *Sign (semiotics)*Plus and minus signs, used to indicate negative and non negative numbers in mathematics **Sign function …   Wikipedia

  • sign — [sīn] n. [ME signe < OFr < L signum, a mark, token, prob. < base of secare, to cut (see SAW1): orig. sense prob. “incised mark”] 1. something that indicates a fact, quality, etc.; indication; token [black as a sign of mourning] 2. a) a… …   English World dictionary

  • sign — n 1 Sign, mark, token, badge, note, symptom can denote a sensible and usually visible indication by means of which something not outwardly apparent or obvious is made known or revealed. Sign is the most comprehensive of these terms, being… …   New Dictionary of Synonyms

  • Function (mathematics) — f(x) redirects here. For the band, see f(x) (band). Graph of example function, In mathematics, a function associates one quantity, the a …   Wikipedia

  • Sign — Any abnormality that indicates a disease process, such as a change in appearance, sensation, or function, that is observed by a physician when evaluating a patient. * * * 1. Any abnormality indicative of disease, discoverable on examination of… …   Medical dictionary

  • Sign language in infants and toddlers — This article is about the usage of sign language to communicate with infants and toddlers.DevelopmentIn the United States, teaching sign language to non signing families to communicate with their hearing infants and toddlers was developed by… …   Wikipedia

  • Sign of contradiction — s. Contradiction comes from the Latin contra , against and dicere , to speak. According to Catholic tradition, a sign of contradiction points to the presence of Christ or the presence of the divine due to the union of that person or reality with… …   Wikipedia

  • sign — I. noun Etymology: Middle English signe, from Anglo French, from Latin signum mark, token, sign, image, seal; perhaps akin to Latin secare to cut more at saw Date: 13th century 1. a. a motion or gesture by which a thought is expressed or a… …   New Collegiate Dictionary

  • Sign of the Takahe — The Sign of the Takahe is today a function centre and tea rooms built in the style of an English Manor House. Designed by J.G. Collins, construction was carried out between 1918 and 1948. The Takahe also provides one of the better panoramic views …   Wikipedia

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