- hyperbolic tangent
- мат.гиперболический тангенс
English-Russian scientific dictionary. 2008.
hyperbolic tangent
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hyperbolic tangent — noun : the hyperbolic function that is analogous to the tangent and defined by the equation tanh x = sinh x/cosh x abbreviation tanh … Useful english dictionary
hyperbolic tangent — noun a hyperbolic function that is written in symbol tanh and defined as the following … Wiktionary
Hyperbolic function — A ray through the origin intercepts the hyperbola in the point , where is twice the area between the ray and the … Wikipedia
hyperbolic functions — ▪ mathematics also called hyperbolic trigonometric functions the hyperbolic sine of z (written sinh z); the hyperbolic cosine of z (cosh z); the hyperbolic tangent of z (tanh z); and the hyperbolic cosecant, secant, and cotangent of z.… … Universalium
hyperbolic function — noun A function that is derived from some arithmetic operations on the exponential function with base e and the inverse function, and was named after the corresponding similar trigonometric function. See Also: hyperbolic sine, hyperbolic cosine,… … Wiktionary
Hyperbolic motion — In geometry, a hyperbolic motion is a mapping of a model of hyperbolic geometry that preserves the distance measure in the model. Such a mapping is analogous to congruences of Euclidean geometry which are compositions of rotations and… … Wikipedia
Tangent half-angle formula — In various applications of trigonometry, it is useful to rewrite the trigonometric functions (such as sine and cosine) in terms of rational functions of a new variable t . These identities are known collectively as the tangent half angle formulae … Wikipedia
Hyperbolic set — In mathematics, a subset of a manifold is said to have hyperbolic structure with rspect to a map f , when its tangent bundle may be split into two invariant subbundles, one of which is contracting, and the other expanding with respect to f .… … Wikipedia
Hyperbolic geometry — Lines through a given point P and asymptotic to line R. A triangle immersed in a saddle shape plane (a hyperbolic paraboloid), as well as two diverging ultraparall … Wikipedia
Hyperbolic-orthogonal — In mathematics, two points in the Cartesian plane are hyperbolically orthogonal if the slopes of their rays from the origin are reciprocal to one another.If the points are ( x , y ) and ( u , v ), then they are hyperbolically orthogonal if : y /… … Wikipedia
Hyperbolic secant distribution — Probability distribution name =hyperbolic secant type =density pdf cdf parameters = none support =x in ( infty; +infty)! pdf =frac12 ; operatorname{sech}!left(frac{pi}{2},x ight)! cdf =frac{2}{pi} arctan!left [exp!left(frac{pi}{2},x ight) ight] ! … Wikipedia
