- inverse image
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Math.the point or set of points in the domain of a function corresponding to a given point or set of points in the range of the function. Also called counter image.
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Universalium. 2010.
inverse image
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inverse image — noun The set of points that map to a given point (or set of points) under a specified function. Under the function given by , the inverse image of 4 is , as is the inverse image of . Syn: preimage … Wiktionary
inverse image — inversinis vaizdas statusas T sritis informatika apibrėžtis Grafinis vaizdas, kurio ankstesnės spalvos pakeistos priešingomis naudojamos spalvų sistemos spalvomis. Pavyzdžiui, juoda spalva keičiama į baltą, mėlyna – į geltoną ir pan. Iliustraciją … Enciklopedinis kompiuterijos žodynas
Inverse image functor — In mathematics, the inverse image functor is a contravariant construction of sheaves. The direct image functor is the primary operation on sheaves, with the simplest definition. The inverse image exhibits some relatively subtle… … Wikipedia
inverse image — Math. the point or set of points in the domain of a function corresponding to a given point or set of points in the range of the function. Also called counter image … Useful english dictionary
Inverse image — Прообраз; Зеркальное изображение … Краткий толковый словарь по полиграфии
Exceptional inverse image functor — In mathematics, more specifically sheaf theory, a branch of topology and algebraic geometry, the exceptional inverse image functor is the fourth and most sophisticated in a series of image functors for sheaves. It is needed to express Verdier… … Wikipedia
Inverse function — In mathematics, if fnof; is a function from A to B then an inverse function for fnof; is a function in the opposite direction, from B to A , with the property that a round trip (a composition) from A to B to A (or from B to A to B ) returns each… … Wikipedia
Image (mathematics) — In mathematics, the image of a preimage under a given function is the set of all possible function outputs when taking each element of the preimage, successively, as the function s argument. DefinitionIf f : X → Y is a function from set X to set… … Wikipedia
Image functors for sheaves — In mathematics, especially in sheaf theory, a domain applied in areas such as topology, logic and algebraic geometry, there are four image functors for sheaves which belong together in various senses.Given a continuous mapping f : X rarr; Y of… … Wikipedia
inverse — [[t]ɪ̱nvɜː(r)s[/t]] 1) ADJ: usu ADJ n If there is an inverse relationship between two things, one of them becomes larger as the other becomes smaller. The tension grew in inverse proportion to the distance from their final destination. Ant:… … English dictionary
