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cosine function

См. также в других словарях:

  • Cosine similarity — is a measure of similarity between two vectors by measuring the cosine of the angle between them. The cosine of 0 is 1, and less than 1 for any other angle. The cosine of the angle between two vectors thus determines whether two vectors are… …   Wikipedia

  • Function — Func tion, n. [L. functio, fr. fungi to perform, execute, akin to Skr. bhuj to enjoy, have the use of: cf. F. fonction. Cf. {Defunct}.] 1. The act of executing or performing any duty, office, or calling; performance. In the function of his public …   The Collaborative International Dictionary of English

  • function — /fungk sheuhn/, n. 1. the kind of action or activity proper to a person, thing, or institution; the purpose for which something is designed or exists; role. 2. any ceremonious public or social gathering or occasion. 3. a factor related to or… …   Universalium

  • cosine — noun Etymology: New Latin cosinus, from co + Medieval Latin sinus sine Date: 1635 1. a trigonometric function that for an acute angle is the ratio between the leg adjacent to the angle when it is considered part of a right triangle and the… …   New Collegiate Dictionary

  • function — func•tion [[t]ˈfʌŋk ʃən[/t]] n. 1) the kind of action or activity proper to a person, thing, or institution; the purpose for which something is designed or exists; role 2) any ceremonious public or social gathering or occasion 3) a factor related …   From formal English to slang

  • cosine — /koh suyn/, n. 1. Trigonom. a. (in a right triangle) the ratio of the side adjacent to a given angle to the hypotenuse. b. the sine of the complement of a given angle or arc. Abbr.: cos 2. Math. (of a real or complex number x) the function cos x… …   Universalium

  • cosine — [ kəʊsʌɪn] noun Mathematics the trigonometric function that is equal to the ratio of the side adjacent to an acute angle (in a right angled triangle) to the hypotenuse …   English new terms dictionary

  • Mathieu function — In mathematics, the Mathieu functions are certain special functions useful for treating a variety of problems in applied mathematics, including vibrating elliptical drumheads, quadrupoles mass filters and quadrupole ion traps for mass… …   Wikipedia

  • Raised-cosine filter — The raised cosine filter is a particular electronic filter, frequently used for pulse shaping in digital modulation due to its ability to minimise intersymbol interference (ISI). Its name stems from the fact that the non zero portion of the… …   Wikipedia

  • Weierstrass function — may also refer to the Weierstrass elliptic function ( ) or the Weierstrass sigma, zeta, or eta functions. Plot of Weierstrass Function over the interval [−2, 2]. Like fractals, the function exhibits self similarity: every zoom (red circle)… …   Wikipedia

  • Sinc function — In mathematics, the sinc function, denoted by scriptstylemathrm{sinc}(x), and sometimes as scriptstylemathrm{Sa}(x),, has two definitions, sometimes distinguished as the normalized sinc function and unnormalized sinc function. In digital signal… …   Wikipedia

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