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mathematical sign

См. также в других словарях:

  • 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 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

  • Mathematical joke — A mathematical joke is a form of humor which relies on aspects of mathematics or a stereotype of mathematicians to derive humor. The humor may come from a pun, or from a double meaning of a mathematical term. It may also come from a lay person s… …   Wikipedia

  • Sign — A sign is an entity which signifies another entity. A natural sign is an entity which bears a causal relation to the signified entity, as thunder is a sign of storm. A conventional sign signifies by agreement, as a full stop signifies the end of… …   Wikipedia

  • Sign relation — A sign relation is the basic construct in the theory of signs, also known as semeiotic or semiotics, as developed by Charles Sanders Peirce.AnthesisThus, if a sunflower, in turning towards the sun, becomes by that very act fully capable, without… …   Wikipedia

  • Sign convention — In physics, a sign convention is a choice of the physical significance of signs (plus or minus) for a set of quantities, in a case where the choice of sign is arbitrary. Arbitrary here means that the same physical system can be correctly… …   Wikipedia

  • sign — [[t]saɪn[/t]] n. 1) a token; indication: Bowing is a sign of respect[/ex] 2) a conventional mark, figure, or symbol used as an abbreviation for the word or words it represents 3) a motion or gesture used to express or convey information, an idea …   From formal English to slang

  • 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 — 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

  • Mathematical descriptions of opacity — When an electromagnetic wave travels through a medium in which it gets absorbed (this is called an opaque or attenuating medium), it undergoes exponential decay as described by the Beer–Lambert law. However, there are many possible ways to… …   Wikipedia

  • mathematical notation — noun a notation used by mathematicians • Hypernyms: ↑notation, ↑notational system • Hyponyms: ↑numeration system, ↑number system, ↑number representation system, ↑system of numeration, ↑ …   Useful english dictionary

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